Twenty Five Twenty One

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Drama: Twenty Five Twenty One
Revised romanization: Seumuldaseot Seumulhana
Hangul: 스물다섯 스물하나
Director: Jung Ji-Hyun
Writer: Kwon Do-Eun
Network: tvN
Episodes: 16
Release Date: February 12 - April 3, 2022
Runtime: Sat. & Sun. 21:10
Language: Korean
Country: South Korea

Plot Synopsis by AsianWiki Staff ©

"Twenty-Five, Twenty-One" tells a love story between Na Hee-Do (Kim Tae-Ri) and Back Yi-Jin (Nam Joo-Hyuk).

Na Hee-Do is a member of her high school fencing team. Due to the South Korean financial crisis, the high school fencing team gets disbanded. Getting through all the difficulties, she becomes a member of the sabre fencing national team.

The South Korean financial crisis also causes Back Yi-Jin’s father's business to go bankrupt. This leads to a life change for Back Yi-Jin, from living the life of a wealthy person to a poor person. While studying, he works part-time jobs like delivery newspapers. Later, he becomes a sports reporter for a broadcasting network.

Notes

"Twenty Five Twenty One" takes over tvN's Sat. & Sun. 21:10 time slot previously occupied by "Bulgasal: Immortal Souls" and followed by "Our Blues" on April 9, 2022.

Cast



Kim Tae-Ri	Nam Joo-Hyuk	Bona	Choi Hyun-Wook	Lee Joo-Myoung
Na Hee-Do	Back Yi-Jin	Ko Yu-Rim	Moon Ji-Woong	Ji Seung-Wan

Na Hee-Do's Family



Seo Jae-Hee	Kim So-Hyun	Ok Ye-Rin	Baek Suk-Kwang	Shin Yun-Sook
Shin Jae-Kyung	Na Hee-Do (adult)	Na Hee-Do (child)	Na Hee-Do's father	Na Hee-Do's grandmother



Choi Myung-Bin	Lee So-Yoon	Kim Mi-Hye
Kim Min-Chae	Kim Min-Chae (child) (ep.5)	Shin Jae-Kyung (young) (ep.13)

Back Yi-Jin's Family



Choi Min-Young	Park Yoon-Hee	Kim Young-Sun	Kim Nam-Yee	Park Jung-Pyo
Back Yi-Hyun	Back Seong-Hak	Back Yi-Jin's mother	Back Yi-Jin's aunt	Back Yi-Jin's uncle (ep.5)

Kang Hoon

Back Yi-Hyun (adult) (ep.16)

Ko Yu-Rim's Family



Hur Ji-Na	Kim Dong-Gyun	Kyung Da-Eun
Ko Yu-Rim's mother	Ko Yu-Rim's father	Ko Yu-Rim (child)

Moon Ji-Woong's Family

Byun Yoon-Jeong

Moon Ji-Woong's mother (ep.13)

Ji Seung-Wan's Family

So Hee-Jung

Ji Seung-Wan's mother

Tae Yang High School



Kim Hye-Eun	Joo Bo-Young	Bang Eun-Jung	Moon Woo-Bin	Lee Yea-Jin
Coach Yang Chan-Mi	Lee Ye-Ji	Lee Da-Seul	Kang Ji-Soo	Park Han-Sol



Han Kyu-Hyuk	Jo Nam-Hee	Yoon Se-Woong	Kim Bum-Joon	Ma Jung-Pil
Kang Hak-Rae	headmaster	Seo Yeong-Seong	Moon Ji-Woong's friend	faculty member (ep.2)



Hyun Jin	Shin Ga-Eun	Seo Young-Sam	Yoo Min-Joo	Kang Seong-Hwa
teacher (ep.2)	Jang Chae-Hee (ep.2)	Korean history teacher (ep.3)	Park Hye-Jin (ep.9)	Jungle Prince guitarist (ep.11,13)



Lim Woo-Chan	Ji Hyun-Woo	Kang Sung-Jin
Jungle Prince drummer (ep.11,13)	Jungle Prince bassist (ep.11,13)	Jungle Prince keyboardist (ep.11,13)

National Fencing Group



Choi Tae-Joon	Kim Ha-Ru	Lee Sun-Goo	Lee Bum-Chan	Guk Joong-Woong
Jung Ho-Jin	national team fencer	coach (ep.4-5)	referee (ep.5)	referee (ep.5)



Seok Hee	Garrison Keener	Kim Sung-Yong	Nam Dong-Ha	Kwak Myung-Hwa
Sawaguchi (ep.6)	Referee Alan Smith (ep.6-7)	disciplinary committee member (ep.8)	disciplinary committee member (ep.8)	fencing assoc. executive (ep.8)



Kim Joon-Hyung	Lee Sang-Kyung	Kim Jun-Ho	Baek Ji-Hye	Choi Nam-Wook
Sanga University coach (ep.8)	Yang Chan-Mi (young) (ep.13)	Jun-Ho (ep.13)	Kim Da-Mi (ep.13)	fencing assoc. employee (ep.14)



Choe Min	Son Dong-Soo	Kwon Dan-A
fencing coach (ep.14)	sports agency employee (ep.14)	national team fencer (ep.15-16)

UBS Network



Lee Chan-Jong	Jung Hyung-Suk	Lee Dong-Kyu	Jo Min-Wook	Park Yun
Seo Jung-Hyuk	Sports Dept. Head Kim Hak-Gyu	sports anchor	Kwon Dung-Uk	Jung Da-Yeong



Bae Hyun-Kyung	Lee Kyung-Oh	Jung Young-Do	Oh Choong-Geun	Kim Tae-Moon
sports dept. staff	UBS director	anchorman	staff	cameraman



Koo See-Yeon	Yoon Joo-Man	Park Ji-Ho	Lee Si-Hoo	Cha Yong-Hwan
Shin Jae-Kyung's co-worker (ep.8)	PD Park (ep.9-10)	documentary staff (ep.9-10)	cameraman (ep.9-10)	Reporter Hwang Ho-Jin (ep.11)



Park Yoo-Mil	Lee Sung-Il	Park Ki-Duk	Kang Moon-Kyung	Park Bin
staff (ep.11)	staff (ep.15)	Lee Gi-Hun (ep.15-16)	UBS director (ep.16)	staff (ep.16)

Park Bo-Bae

staff (ep.16)

Media Group



Lee Joon-Sun	Song Yo-Seb	Kim Ji-Ho	Jung Jong-Hoon	Ji Yun-Seong
reporter	TV network department head (ep.6)	TV network employee (ep.6)	TV network department head (ep.6)	Reporter Ji Yun-Seong (ep.12)

So Joon-Sung

reporter (ep.14)

Neighborhood Small Business Group



Ok Joo-Ri	Jung Chung-Gu	Ri Min	Jeon Young	Lee Jae-Woo
Ahyeon Supermarket owner	Myeongjin Book Rentals owner	Chinese restaurant owner	yogurt lady (ep.4,8)	photo studio owner (ep.5)



Jun Joon-Woo	Oh Il-Young
restaurant host (ep.11)	carpenter (ep.11)

Elephant Snacks Group



Yoo Eun-A	Park Eun-Young	Yoon Boo-Jin
Elephant Snacks diner (ep.3)	neighborhood woman (ep.8)	neighborhood woman (ep.8)

Seon Jung Girls' High School



Lee Joong-Ok	Jung Yoo-Min	Lee Ki-Bbeum	Kim Tae-Yoo	Song Young-Joo
fencing club coach (ep.1,7)	Hwang Bo-Mi (ep.1)	Hwang Bo-Mi's friend (ep.1)	Kim Yoo-Jin (ep.1)	Hwang Bo-Mi's friend (ep.1)



Park Jin-Soo	Lee Ha-Joo	Lim Yong-Soon
Seo Hye-Jin (ep.1)	fencing team player (ep.1)	security guard (ep.2)

Others



Jung Yong-Ju	Yu Bee	Jang Young-Hyeon	Jang Yeon-Woo	Kang Hak-Soo
delinquent boy (ep.1,4)	Back Yi-Jin's friend (ep.1)	Back Yi-Jin's friend (ep.1)	Back Yi-Jin's friend (ep.1)	Loen Hotel employee (ep.2)



Bae Sung-Il	Park Boo-Gun	Seo Jung-Bin	Yeon Seung-Bin	Jeon Se-Yong
Mr. Back's creditor (ep.2,8)	Mr. Back's creditor (ep.2)	Kim Jong-Chan (ep.3,5)	Choi Won-Hwan (ep.3,5)	passerby (ep.3)



Jeon Su-Hwan	Hong Eun-Jeong	Koo Ja-Keon	Song Jae-Saeng	Jang Joon-Hyun
Mr. Kim (ep.4)	job interviewee (ep.4)	job interviewee (ep.4)	Ms. Son (ep.4)	Back Yi-Jin's acquaintance (ep.4)



Choi Gyo-Sik	Son Young-Soon	Kim Nak-Gyoon	Kim Na-In	Bae Yu-Ri
neighborhood man (ep.4)	grandmother bus rider (ep.4)	detective (ep.5)	mover (ep.5)	hotel receptionist (ep.7)



Lee Jong-Goo	Ko Dong-Eop	Choi Hwa-Young	Lee Jun-Hee	Shin Hee-Chul
diner (ep.7)	diner (ep.7)	diner (ep.7)	Ha Byung-Jin (ep.8)	Detective Kim (ep.12)



Do Ye-Chan	Jung Hyun-Chul	Bae Ki-Bum	Park Chan-Young	Cha Mi-Kyung
police officer (ep.12)	detective (ep.12)	upset diner (ep.12)	upset diner (ep.12)	victim's mother (ep.14)



Na Ho-Won	Park Yong	Ha Seung-Youn	Kim Joo-A	Park Se-In
bus driver (ep.14)	9/11 survivor (ep.15)	hospital hallway woman (ep.15)	Sophia Choi (ep.15)	Han Min-Jung (ep.16)



Kim Nam-Hee	Kim Do-Gyeong
cellphone store employee (ep.16)	apparel co. staff (ep.16)

Additional Cast Members:

Min Hyeon-U - soldier (ep.2)
Kim Si-Kook - university teacher assistant (ep.15)
Yun Tae-Yi - Seon Jung Girls' High School fencing team player (ep.1,7)

Trailers

Episode Ratings

Date	Episode	AGB
Date	Episode	Nationwide	Seoul
2022-02-12	1	6.370%	7.799%
2022-02-13	2	8.010%	8.867%
2022-02-19	3	8.182%	8.981%
2022-02-20	4	8.787%	9.972%
2022-02-26	5	7.956%	8.960%
2022-02-27	6	9.817%	11.065%
2022-03-05	7	9.718%	10.380%
2022-03-06	8	10.900%	11.734%
2022-03-12	9	10.622%	12.043%
2022-03-13	10	10.879%	12.660%
2022-03-19	11	10.887%	12.410%
2022-03-20	12	10.675%	12.528%
2022-03-26	13	9.927%	11.001%
2022-03-27	14	10.308%	11.451%
2022-04-02	15	9.592%	10.302%
2022-04-03	16	11.513%	12.636%

Source: AGB Nielson

Awards

2022 (58th) BaekSang Arts Awards - May 6, 2022
- Best Actress (Kim Tae-Ri)
- Most Popular Actress (Kim Tae-Ri)

Comments

Jess Nov 28 2023 1:52 pm Haha, came here because of "Behind Your Touch"!

Kimchi Nov 18 2023 4:16 pm For those looking for happy ending for drama, pls watch "Behind Your Touch"

Juliette Chin Nov 14 2023 4:07 pm OMG, I love the story L J-H WOW good looking guy.

Star Oct 23 2023 4:18 am I'm confused, who is the father oge Kim Minchae then????

Kool Aug 26 2023 7:06 am I think when drama started i enjoyed it a lot, it had felt different and entertaining but almost only till ep 8 or at most 9, ep 10 was kind of okay but filler, from then onwards episodes became more filler like, as if writers dont have content so they will show mundane backstories of characters or random village banter and stories, the drama lost its track mainly due to lack of ideas with writers to continue the story so they went random, but still one could watch ep 10 plus thinking its about characters' youth, showing youth was also purpose of writers so it was okay but then very bad ep 15 and 16 came, which were ridiculouly bad for what the story suddenly did.

But still for me early episodes were good and fun though i was never able to overcome the fact that how extremely rude and b.tchy and vindictive yurim was towards hee do just due to her success, she didnt deserve to become her friend.

I tried rewatching the show but dunno why second time around i had found kim tae ri screaming and shouting a lot and it was getting on my nerves so i stopped it. First i watched i heard criticism on her screaming but it didnt stand out to me lso because she was a high schooler but 2nd time it did feel annoying.

Ola B Aug 25 2023 9:25 am I have watched this drama. How should I say it? I'm speechless. This drama is very good. Superb.

From the story to the cast, nothing disappointed me. Everything is neat and beautiful. All have the right portion.

This drama has made me laugh and cry. I rarely cry when watching dramas. But this is an exception.

The ending of the story pissed me off. But that is indeed the best potion. It makes an impression on the hearts of its audience. I didn't expect there to be a season 2. This drama is enough for one season. And this will be eternal in my heart.

Terrey Thomas Aug 10 2023 5:11 pm I'm up to episode 7 so far and am so disappointed that Yurim just turned out to be a mean girl, she doesn't deserve that adorable boy liking her. I'm just so sick of mean girls. It doesn't matter if you're only pretty on the outside when the inside is ugly.

itsmekayc Jun 24 2023 3:21 am Just finished watching. i am speechless for this drama. very good acting. all actors not just the mainleads did well. as in All. i cried a lot for the touching scenes of Na Hee-Do and Ko Yu Rim. though acting of Back Yi Jin and Na Hee Do are SuperbB. I hate the relationship complications and they did not end up together. I got married at 24. Now, I am 29, I hate to see those two characters did not end up together even when they love each other so much. Why complicate Love guys! work or long distance relationship should not be hindrance of Love especially if its not obviously one sided. Writer please, Season 2 please wherein Na Hee Do got divorced. LOL.

when this drama got first released, I saw many spoilers in facebook. so since i know the ending, i promise myself that i will not watch so that I will not feel depressed or heartbroken by the ending/story. Still it just happen that I did watch it since yesterday, glad that i found the courage to watch. I brainwashed my self to not be too heartbroken by the breakup of the Mainleads. And bottomline is, their breakup is avoidable so i hate the writer for it. haist.

Kimchi Jun 14 2023 9:29 am It's a puppy love story....relationship never last. What else it could be?? Duh..

Aprille May 29 2023 11:14 pm I just finished watching this drama. I love the flow of the story. ❤️❤️But the ending? ? it made me go back to first episodes to find clues on who the father of min chae is!!?

Twenty five twenty one die heart fans May 20 2023 4:55 am Please Please I Beg U we all need season two really really badlyy there is so many questions and u could make it into season two please do it pleaseeeeee

Teri-teri Apr 28 2023 5:33 pm Tae Ri looks like she is reborn in this drama, all fresh and dreamy. No nody would know how she saved Joseon but now she is just saving herself. The intro to the story is much easy to get but as soon as I realized about why Na Hee Do's daughter first name is Kim and not Baek, since the couples are very clear to be determined. I asked myself what could happened to Hee Do love life the whole time! It is more mysterious how the daughter didnt know who is Baek Yi Jin. Anyways, this drama taught me how to dream again and there are morals to learn to be happy. Great drama to be noted!!!

Giana Elwin Jan 24 2023 7:51 pm I hope they make a second season for twenty five twenty one. There’s so much more that they can show us with back yi-jin and na hee do but as adults.

It was such an amazing drama. I really enjoyed watching it.

Deepti Jan 23 2023 2:54 am It’s a masterpiece …. This is the first time that after ending the last episode ( which was the best till the last epilogue ) I came to look after the writers’ and the directors’ name It’s a very well written and well directed drama

And the emotions and the story will stay with me for a long time

kdramanoob Jan 11 2023 12:24 pm did you guys watch all the way to the end (after the credits) of last episode? there's an epilogue where male lead forgot his password and had to answer a security question.

Kpopandgrime Dec 24 2022 7:35 pm A near perfect drama for many but for me the last halve of the show was dragging, just couldn’t be asked to finish it honestly . In the end I did and the whole story made sense . However with all that being said this was an outstanding kdrama series.

I say this because the chemistry was second to none, u won’t find a better set of cast . I really enjoyed their acting Throughout the episodes , such pretty and handsome individuals. Especially Nam Joo Hyuk who is the superstar of the future , absolute brilliant performance in this series . Two females leads were outstanding too , hats of to them as well. Really enjoyed their friendship.

Would I Recommend this ? ~ Most definitely Would I rewatch it again? ~ Absolutely Not

Nonetheless I enjoyed most part of the series and there is my honest review of this kdrama

Much Love From London ❤️

Noregrets Dec 22 2022 1:50 pm I can’t watch this drama. This happened to me in real life and it’s really sad. I’m sure is a good one though

marvelouszvel Dec 18 2022 11:44 pm I don't know where I have to start. I don't believe myself too that I start to watch this drama just yesterday! This drama have been popular since it was first aired. This drama became so popular and many people talk about this drama but back then i still don't have curiousness or eagerness about twentyfive-twentyone. But, after I watched firsst eps, i became addictive to watch next eps, next eps, and i can't stop myself! Kim Tae Ri and Nam Joo Hyuk chemistry are so damn best! I saw a lot of Nam Joo Hyuk character like that (be the one who get hurt) at drama The Light in Your Eyes and Start Up. But, again in this drama i'm fall in love with him! I just watched the Kim Tae Ri drama for the first time, but there is no doubt that her acting is so good 'n satisfiying. For Ko yu Rim, Moon Ji Woong, and Ji Seung Wan, because of them i get laughed very hard and get butterfflies where the scene Ko Yu Rim and Moon Ji Woong. It's only been 5 eps but I've learned a lot abput passion and dreams that I have to achieve from this drama!

Beebam Dec 04 2022 7:54 pm A beautiful series... i love all the characters. But being a fan of happy endings, I can't give it a 10-star? Instead I wish the diary that the daughter found is about her dad and the love story of her parents, like how they survived the trials of being apart, like how they stayed strong despite the situation and at the end because they truly love each other became husband and wife. That's just me of course :D

KST Nov 12 2022 1:03 pm I just finished watching this series. Its really amazing though the end is a bit sad. No wonder Kim tae ri won the best actress for the role of Na hi do. She is a really talented actress.Her acting is really perfect. I really appreciate it. This drama has a good story. Nam joo hyuk too has done his role very nicely. The other actors too act very naturally. I saw a lot of new faces here.I will never forget this drama.This is one of the best hits of all time kdrama.This drama teaches us about the love,frienship and relationships. I really recommend this drama to all. This youth,romance ,school,sport drama will really make you entertain. I will really miss Twenty five twenty one.Really this drama is a life lesson to all of us! Saranghae!!!

Chinnie Oct 28 2022 2:10 am The drama is superb,I love both the male and female lead and their circle of friends,the story was real and touching even though I did not cry as expected,I only felt it when hee do won Kim yurim in the match at San Francisco,I rate it 10/10 because there's nothing more I want them to show even though I did not see hee do husband

Queen K Oct 16 2022 7:33 pm I totally love the drama by the way. It’s very well done. The chemistry was on point. Excellent portrayal of emotions that makes me think about my life.

I had a very difficult young adult life. Things happened beyond my control that makes me envy younger people when I see them. I envy their friendships and love because for most of my young adulthood, I was lonely. I never wanted it to be so, it sadly happened that way for me and this drama made me so sad because I have experienced first hand this kind of sadness. The feeling is an empty and lonely one for a long time.

Overall, it’s an excellent piece, a 10/10

Queen K Oct 16 2022 7:26 pm Thrilling friendship and love between a young man who once promised never to be happy in life and a young lady, who by the leading of the young man, fell so deeply in love to the point where she’d either act on her feelings (as she did) or give up on the friendship. They got to the point where they couldn’t just remain as “just friends”.

We see a few times in the story where Yi Jin subtly declines Hee do’s feelings and wanting for more because of his dream (getting his family together). But he’s too in love to keep his distance from her. Her do on the other hand couldn’t understand why he loved her that much and continued to lead her on yet he didn’t want to be with her.

By reading between the lines, judging from Yi Jin’s actions and as Hee do grew older, she understands that Yi Jin has other priorities and though he loves her, he was with her because he didn’t want to be away from her or hurt her. He would have preferred if they were just friends till his mind was fully ready for the relationship but Hee do was to young to understand that and he didn’t even try to help her understand.

I feel like Hee do really didn’t want to give them up, she just wanted Yi Jin to be more committed and say it. But Yi Jin wasn’t ready to do that at that time. He found just what he felt he needed “freedom” through the break up. He felt they could stay as friends till he was ready, he wasn’t expressive of his feelings and how he wanted things to progress between them and this continued to hurt the young lady. The distance wasn’t her problem, his attitude was her problem.

On the other hand though, I wish she was a little more patient, things may have turned out differently for them. Then again, if this were a real life situation, it may have also been a waste of time and a huge loss for her cos when a person prioritizes their dreams above all else, till they are satisfied, they leave little or no room for anyone else. Patience will be required from the other partner.

I also wished that, along the years while they were still apart, before Hee do got married, Yi Jin found his way back to her. I feel she would have wanted that but he never did. He sadly kept following his dream and being lonely. Very sad indeed. If this were real life, with the portrayal of Yi Jin still being single in the end and Hee do in a lonely marriage that might fail, they’ll probably still have a chance that I’m sure none of them would give up.

It’s been over a week since I saw this movie and my heart is still heavy for them.

God's masterpiece Oct 04 2022 10:01 pm I didn't expect the ending..all the emotions I can feel,.but this is the saddest movie I ever watched.but pls..do a season 2????

Pu Ji Sep 11 2022 5:47 pm Both lead actors are superb. The story also very strong inspiration for youth, even for parents like me. Top drama of the year 2022. Must watch for teenages, parents, schools, activists. The story written very well, just make me confuse at the beginning, but it flows so beatifully portraying youth reaching their dream

Bozatthsava Sep 04 2022 3:48 am Top drama! Must watch ?!!!!

pearl Aug 25 2022 1:24 pm I found the ending beautiful, it will not please everyone but it makes the story more realistic. It was strong and beautiful like all the stories of youth. Mention to the beautiful friendship of the characters.

Zeus Aug 22 2022 6:10 pm Superb drama! 10/10! I loved this amazing story very much but somehow left me devastated with the end. A perfect performance of all the cast, with magnificent actors in the lead! KTR is just such an awesome actress, not only beautiful but great acting skills. And NJH gave a great and powerful performance in this drama, wow! I adore both of them very much!

Spud Aug 19 2022 10:40 am The comments have it right: this series is a masterpiece. The acting is fantastic, and the writing is top-notch. The fencing scenes alone are exciting, but the relationship depicted between Hee-Do and Yi-Jin is so artfully constructed, the emotional journey so profound, the ending just floors you. As others have mentioned, this will stick with me for a long time. Kudos to Kwon Do-Eun for writing such deeply meaningful characters. I don't want to move on, but it's so painfully wistful to stay. I'm devastated.

aishah Aug 11 2022 11:12 am ive issues in finished few last episodes bcs i dont want it to end. bu i finally did, ive lost my words but im so amaze by how beautifyl this story was written. I was crying bcs of how their love doesnt ended well, and it seems like hee do doesnt keep in touch much with her gang after that. still i love this story, sorry for finishing it so late

Joh Aug 08 2022 6:29 am I love this drama. One of my top list. I love Kim tae ri! This is the only drama where I fell in love with the female lead OMG! KTR is really something!

Sara Aug 03 2022 8:58 am Nam joo (the lead actor) did truly justice to acting the character Just became a fan of his, Keep up?

Aj123 Aug 01 2022 4:08 am IMY now!! Na Hee Do

Afolabi Tomisin mercy Jul 29 2022 2:38 pm Well.... Nam joo hook acting is in another level.. His gaze, affection towards the protagonist was fantastic.. I so much love his acting in this drama.. Especially when he first confessed his feelings.. He said he loves her.. So he doesn't need a rainbow.. That's one of my favorite line in the drama.. Love so deep it hurts.. Now regarding the female lead.. She's so pretty and cute.. She can portray her roles very well.. She deserve that award.. Actress of the year I love u.. Wishing both leads more success in life.. And eagerly awaiting more of their works

Joana Jul 10 2022 4:47 am Kim Tae Ri’s acting is on another level!!! I had zero expectations when I watched this drama but this turned out as one of the best dramas I’ve ever watched. ?

Arifa Jul 03 2022 3:15 am Realistic drama. So many emotions in this drama. This will stick with me forever. Thank you for making this drama. I hate this kind of feeling after watching a good drama

MooRi Jun 18 2022 2:11 pm Here and watch this drama bcos of Nam Joo Hyuk, but ended fallin in love with all five main characters, especially Kim Tae Ri. She's so cuteeee and doesn't seem older than Joo Hyuk at all. Bit disappointed bcos why Hee Do's daughter last name is Kim not Baek, and also it's already shown in episode 1, feeling uneasy while watching whole episodes, and still hoping Yi Jin and Hee Do became together until the last episode LOL

Imran Jun 06 2022 2:35 am I’m late, but I just finished this.

Lost of words to describe this feelings. A drama that gonna stick in my heart. It’s painfully beautiful. I love everything about this drama. The stories of people growing up, the hardship in life, the decision you made, the regrets… pretty much a realistic story.

The cast is perfect, love everyone of them. <3

Gonna take me awhile move on from this beautiful story:’)

Christine May 27 2022 8:47 am Love this amazing drama !!!

AURORA May 24 2022 4:34 am It's the best love story I've seen so far, with magnificently developed and acted characters that's why I was so sad that they ended up separated. A story of love, friendship, generosity so deep cannot end in separation, it is much more than a first love, it is the love of your life. I honestly think it was a mistake to separate them. It would have been the most beautiful love story of all.

Wee Do and Gy Jin's story deserves another chance. I'm sure many of us hope to know that they will be together again. Please give them a second chance! ^_^ <3

Fernanda May 21 2022 4:00 pm All of this drama is Perfect, the actresses chosen, the editions, the story, the relationships, everything! 10/10! After watching it my heart hurted, but it’s ok hahaha I wish I had a Baek Yijin :( I wish it had a good ending so I will pretend that they didn’t broke up. I found myself in Heedo :) idk how to say that, but every night I pretend to be in twenty five twenty one ? Watch It! Its Worth It! <3

iRis May 15 2022 11:11 am The drama is a beautiful masterpiece. Though my heart aches for the last two episodes huhu

lotlot96 May 10 2022 7:17 pm Spoliers alert!!!

I read a theory that says Hee-Do and Min Chae's father divorced already as Min-Chae's father never knew where she was staying. Also Hee-Do gave away a hint that getting a divorce is a lot harder than being married. People were saying that Hee-Do wasn't able to fully move on from the break-up as she always had a regret as shown in the last part. She was only able to forgive her past self when she read her diary. So basically, 2521 was a story of her finally letting go and moving on from her youth.

birbs May 10 2022 1:26 pm This is an incredible drama with well-developed characters. You grow attached to them and feel their highs and lows. I think it's relatable for any age and tells a very real (and at times heartbreaking) story about youth and growing up! I believe that regardless of whether you agree with the ending or not, there is a lot of take away from the show. 10/10

lotlot96 May 09 2022 11:53 pm Spoilers alert!!!

@Sunny I think the relationship of Hee Do's mother and coach was explained well in the last episodes of the drama. What happened to them was similar of that to what happened to Yi Jin and Bona except that this time the athlete gave full consent to be reported. They were best of friends turned reporter and subject of news.

Sunny May 09 2022 2:20 pm What is the relationship between the coach and Hee Do’s mother???

Uckezzy May 01 2022 5:24 pm This movie is one of the best Kdrama that I have seen. Amazing storyline, experienced Cast and beautiful soundtrack. This movie made me cry, very touchy and perfectly orchestrated.

Worth the watch, and highly recommended?

Dear, 25 21... I love you Apr 30 2022 2:28 am I'm literally crying as I am writing this. This drama feels like the best summer of my childhood. Like something that will stay in my memory forever. I actually have no words to express how warm this drama makes me feel. The friendship, the pure perfect love, the tears, the joy, everything about this drama is just perfect. In my heart Hi Do and Yi Jin will end up together one way or another. They have to. I have never seen such a perfect display of true love on film. If soul mates are real, they are the perfect example of two individuals born for each other. This drama will have me up for days wondering if I'll experience youth the way the characters in this drama did. Wow. Amazing drama

Fangirl Apr 29 2022 5:25 pm Congratulations to Kim Tae Ri for winning The Most Popular Actress in Baeksang Arts Awards 2022!

Sakura Apr 29 2022 9:07 am Twenty five twenty one is a masterpiece..the plot,the cast,dialogues,scenarios everything was great..the entire cast was amazing on their own perspectives..nam joo hyuk and kim tae ri both did excellent job!..I don't believe any actor could portray the character of yi jin and hee do as greatly as they did..the whole drama was a emotional roller coaster..youth,friendship,love,sacrifice of parents for their child,dedication,determination everything was in it..there wasn't any single episode which didn't make me overwhelmed with emotions..I am not a person who will cry watching some movies or dramas but this drama made me cry...i was almost burst into tears in some point because of different kind of emotions but i controlled...but I lost it during the ending scene when flashbacks started to came....It's not a drama..it's the portrayal of our life...The reality which we don't want to face....I am currently going through alot however,I learnt many things from this drama...

minnieBell Apr 26 2022 7:53 am This drama was awesome beyond my expectation. The story is unique and well-written. It was pure, refreshing and realistic story about dream, love & friendship in 90's setting that made u able to relate as well as cry & laugh hard. All the casts did very well especially Kim Tae Ri. I have to say she was Too Awesome as Na Hee Do! Kim Tae Ri's acting is on another level. She is such an amazing actress and have great chemistry with Nam Joo Hyuk as well as Bona. Thank you to production team for this masterpiece.

shadowhero_ Apr 23 2022 7:56 am My review of this series 9/10 SPOILERS AHEAD

...............................................................................................................................

To clarify this from the beginning, I'm not that type of person who judges an ending based on his admirations for the cast or anything like that. I'm not that type of person who says an ending is bad just because it's sad.

I'll try to write my review from an objective perspective as much as I can, because I think this is the most righteous way of writing a review.

For me, the last episode was full of emotion and it really made me cry at the point were the flashbacks came in (I don't usually cry when watching something but this was on another level of nostalgia and sadness :) ), and this was a really good thing, because they managed to make this story so impactful and gave it a real meaning and place in the viewer's heart.

I knew from the beginning that they might not end up together because Yi-Jin's dream was always to gather his family together again and Hee-Do's dream was to be Yu-Rim's rival and be someone in the fencing community. There wasn't a common long-term dream between the two, which led again to the possibility of them breaking up. (And also, the present day scenes)

I think this is the first kdrama where I wanted to see a last minute change to a happy ending because of these reasons: - letting go of something wasn't in Hee-Do's character. Through the series we saw her multiple times not wanting to give up and trying again to succeed (ex: when she wanted to find why her mother didn't come to her father's funeral and why she was so cold-hearted with her this whole time; when she wanted to succeed in her fencing career). If she gave up finding the reason behind her mother's behavior, her life wouldn't be like this in the present time and if she just gave up on fencing she wouldn't end up being such an important person in Korea.

- they continued to care for each other and support each other (the bus stop scene). They showed themselves how much they love and support each other but they part ways anyways. They ignore their feelings somehow and decide to let go of all, a thing I cannot understand given the fact that they still have feelings for each other. Also, I think the creators gave us the ending we wanted to see through Ji-Woong and Yu-Rim.

This ending is weird because they breakup because of the distance that was between them but Hee-Do marries someone that isn't with her either and that is very strange. Hee-Do's husband doesn't appear once. She's alone at her final match (only Yu-Rim was there for her), she comes alone at Seung-Wan's father funeral and even in the present day scenes she's all alone. The present scenes are the weirdest because her husband doesn't appear once and doesn't even know the news about his daughter (the fact that she wanted to quit ballet but her father still sent a costume to her shows the lack of communication between Hee-Do and her husband).

That's why, in my opinion, a happy ending in the past was a better option that could also relate to the events from the present, given the fact that her husband was as busy as Yi-Jin was, but hey I guess they wanted just to put in the light the imperfections of a human being. They wanted to show us that we make our own chances, our choices and wishes pave our ways to the future, that all us make mistakes that follow us our entire life.

Also, I can't end this without saying a word about the cinematography (I really liked the composition for most of the shots and their look), the editing (especially at the end, with the flashbacks, it was a masterpiece), the direcion of Jung Ji-Hyun (minus the few times where he broke the 180 degree rule without a solid purpose, in my opinion), the osts (which are so beautiful) and finally the colorist (who did a phenomenal job, this show really reminded me of Hotel del Luna, because of the deep reds and the dreamy look some shots had).

I wanted to write even more but my ideas just flew out when I started writing this, so bad :))

In conclusion, this was a fantastic drama and I would recommend this to anyone. The pace declined constantly as the things got sadder, the characters were nicely polished and the action was so diversified. The sad ending was a bit forced and all the things that happened didn't align properly but I can't judge them too much for this (maybe I think this way because I was never in a relationship, who knows :)) ).

Blackjack Apr 21 2022 4:29 am I really love this drama!!!!! It really warm my heart. Thankyou 2521 and all the cast

Tzveeble Apr 19 2022 7:36 am The brilliance of this drama lies in the fine tuned personality dynamics, and the many wisdoms that are hidden within those characters' storing. Simple things like acknowledgement of defeat or incapability to repair a certain situation one is caught up in, as well as how to deal with adversity etc. are depicted in the most beautiful way. Human shortcomings and human excellence, the whole Yin and Yang are tangibly described. Needless to say, the casting is stunning.

Tin Apr 16 2022 5:36 pm S P O I L E R

Haven't watched it yet, was actually waiting for it to end before I start, but I was told that the FL and ML won't end up in the end. I was so devastated cause I was really looking forward to watching this, but no matter my wish to watch this won't supercede my devastation knowing they didn't end up together... So pass for me, I'll just wait for NJH next series, hopefully will be good ending...

Cheese Apr 16 2022 5:30 am Twenty five, Twenty one(2521). This is the bessssttttttt kdrama ever.. all sorts of emotions, laughter, sadness, joy, happiness.. name it. Very realistic and relatable! Thumbs up to the writer and the cast. KimTaeRi is now my favorite actress. I love this drama soooo much. 100000/100

OD Apr 15 2022 8:57 pm The absolute best!!. So sweet and fun too watch. The end left me in serious tears and sorrow?

momo Apr 15 2022 3:02 am broo this is crazy, this drama rlly made my day, i love that sweet combo from jiseungwan, yijin, heedo, yurim, jiwoong. this is too sweet sdagbwiugfuisagfuid

Laurent Apr 12 2022 3:44 pm I love this drama so much, so refreshing and nostalgic.

Eunice H. Mapatac Apr 12 2022 2:50 am I just love this drama!!!! Great acting for Kim Tae Ri and Nan Joo Hyuk and the rest of the gang. A drama that will never be forgotten just like Mr Sunshine I hope this drama will reap rewards and awards

skrrrt Apr 09 2022 1:05 pm just amazing. Loved Every Bit Of It. literally so heartbroken that it’s over im gonna need some time to get over this T^T

Pam Apr 09 2022 10:48 am My fave drama of all time .. ive been watching it again and again every moment of baekdoo is so special… this is what you called Chemistry, they really bring the characters and im so immersed with their acting… im really impressed to Kim Taeri and only now I noticed Nam JooHyuk, in start Up I really love Kim Seon Ho, but in this drama taeri and joohyuk is superb ??? Makes you want more of them… love them both ??

Azeieou Apr 09 2022 2:10 am Not exactly sure what to do or watch after this series ended... It was so good

maxie Apr 09 2022 2:01 am can we have a season 2 for this pls!, i realy love the chemistry of Na Heedo and Back Yi-jin, im still on to it after i have watched it and have my sleepless nights to finished up until the last episode. I feel like im in their real world in 25-21. Gosh i cant believe it that i am now fanatic of this two actor and actress

Mujigae Apr 08 2022 5:03 pm When they first announced the casts, I have so much anticipation with Kim Tae Ri and Nam Joo Hyuk pairing. But knowing that somehow K-drama can be flop in further eps, I watched this drama without any expectation. But it turned out to be Gold. I never feel bored with any single scenes. Fresh characters, great chemistry, beautiful lines and amazing cinematography. The characters development felt very natural, it was like we were growing together with them. I will never forget and never regret the eight-week I'd spent to watch it. It perfectly portrayed "youth": dream, spirit, rebel, justice, hard work, failure, friendship.. and first love. Based on my 16 years experience of watching K-drama, this is definitely one of my favorite K-drama all time!

Plot 8/10 Cinematography 9/10 Ost 8/10 Chemistry 10/10

jas Apr 08 2022 3:13 pm i was just wondering who the dude that jiwoong photographed that was a big fan of him is i’m curious lol

summer Apr 08 2022 3:44 am God, I hope to meet someone like Baek Yi jin, I wish to feel that kind of love :')

Phionah Apr 08 2022 2:37 am I love everything about this drama. Every episode was on point, really its the best of Nam joon hyuk.. There are no words to decribe how good this drama is.

Moonlove Apr 07 2022 4:06 am I just love Heedo and Yijin. There love is so pure and innocent. How I wish to feel that kind of love?? I hope to meet someone like Yijin??

Charlie Kim Apr 06 2022 1:59 pm [SPOILERS]

IMO, the ending of HeeDo and YiJin is the most realistic ending that could happen. YiJin has been reminded not once but three times (by HeeDo’s mother, coach, and his reporter sunbae) that their relationship might not gonna worked. Even after he transferred to another department, HeeDo’s mother also remind HeeDo that it still might not get any better. Yet they still love and support each other until they felt not loved or not supported enough. They started out strong, until life and careers path stumbled each other way. It was a beautiful love story that doesn’t work. Superb writing, without any plot armor to ML / FL. Might take a long time to process this tho, haha!

Indo Saraam Apr 05 2022 10:29 pm Highest rating for the finale...ヽ(•‿•)ノ

Rango Apr 05 2022 10:28 am Imagine few days later ,the producer announcing they decided to do Season 2!! ...how crazy is that? The fans become Wild!!

Honcho Apr 05 2022 9:29 am Season 2 please!

mellows Apr 04 2022 6:27 am 2521 just taught us how precious youth is. it's precious because it'll only be a phase, it'll be the only time where passion and friendship are the only things that matter. that's why you have to treasure it.

it just showed us what "growth" is.

Ness Apr 04 2022 1:36 am This drama is so real... So nostalgic... Love the setting... All about it is so realistic... So many lessons that we can get... 10/10.

Peppy Apr 03 2022 9:30 pm Am I the only one who was more invested in Ji Woong and Yurim’s relationship ? I was always waiting for their scenes . They are so cute together.

Robi Riana Putra Apr 03 2022 7:08 pm I like this drama, the story is so realistic may be this is he first drama I ever know in every episode we couldn't imagine with the story, thank you Kim Tae Ri and Nam Joo Hyuk, hope this drama will continue with seasion 2..

reminiscent Apr 03 2022 4:37 pm I love this show. it brought back my teen years and how innocent I was when I was young and in love.

Ris CE Apr 03 2022 1:21 pm SPOILERS AHEAD:

Some may not like the ending but it is a glimpse of reality.

Na Hee Do never wanted to be left hanging because her mom already did that out of necessity. Back Ye Jin grabbed the opportunity to work abroad for a better pay and to reunite his family which he eventually did. It was a beautiful love but their goals did not align. Still a beautiful albeit a bittersweet love story for me.

Ris CE Apr 03 2022 1:12 pm Twenty Five Twenty One gives you a great trip on the best years of youth but will splash you with harsh reality too. It is nice to be reminded of that youthful idealism and vigor, of past loves, of big steps, and people who made the trip worthwhile.

Steve Apr 03 2022 12:52 pm SPOILERS ahead. Good, but does not rise the level of a great drama. The tension we saw between the leads in the last episode should have been weaved more consistently throughout the show. As viewers, let us feel the build-up to the break-up instead of dumping it on us at the end of the show. Also, they should have used Kim Tae-ri to play the adult version of Na Hee-do like they did with her mother (Shin Jae-kyung), who played both the younger and older versions of herself.

JooHyuk Apr 03 2022 11:35 am I want to say a big thank you to the director, writer, staff, actors and actresses. Especially for the director, I think I fell in love again with your direction, previously I fell in love with one of your dramas directed by Mr. Sunshine with Lee Eung-Bok and now you are doing it again with Twenty Five Twenty One, nice job. Especially for Nam Joo Hyuk hyung and Kim Tae-Ri noona, you guys really managed to make me believe that their characters of Baek Lee Jin and Na He Doo are real, so real that I believe you both are them LOL. For Kim Tae-Ri noona, I really liked your acting more and more. Before I watched the drama you starred in for the first time Mr Sunshine and I immediately fell in love with Go Ae Shin because you played him very well. I hope you will pick up more dramas, one of them is rom-com genre \ ^_^ / . Back to the topic, Because of all of you, I want to make my youth as beautiful as theirs, youth with noisy friendship and passionate love. Thank you again for your drama, thank you for your hard work, very well done guys, and thank you twenty five twenty one. I will say goodbye to everyone, see you in your next masterpiece !!!

Renwa Apr 03 2022 10:53 am A Trifecta of excellence…Screenplay, Direction, Acting. Deeply heartfelt & emotional. Award worthy in every category! The main characters All hit it out of the park. I want to mention everyone but

Neny Adamuka Apr 03 2022 10:27 am Thank you for making this drama. Thank you for all the happiness and sadness while watching this drama.

Ana Apr 03 2022 10:06 am What’s all that with the password at the end ? Is there going to be a second season ? I need answers. I loveeeeeddddddd this drama !

Natapori Apr 03 2022 10:04 am It's along time to K Dramas can make me cries and smile in every episode.Plot can touch my heart so much.I smile and cry with every moment of this drama.it great drama for me.The cast portray character so good.I like this plot so much.Thnk you all clue to make this series

Fev Apr 03 2022 4:38 am This drama surely will win best cinematography and best director.

Ryder37 Apr 03 2022 3:26 am Truly the best drama I've ever watched in my life. The actors and actresses have done a great job in showcasing the struggles of people around the age of 18-25. So far (up until ep. 15), I've cried while watching every episode except for episode 10 and 13. The writers are the best as they are able to move one's emotions upside down just by watching each episode. Kudos to everyone who makes this drama happens.

BYJ❤️NHD Apr 03 2022 2:26 am This is one of the best dramas, if not the best out there! It clearly showcased one's struggle in life (be it at school or work)and how you can overcome them, the love, and friendship.

I love the camaraderie of the 5 characters, its solid! How I wish I have friends like them. The storyline is very realistic, anyone can relate to it. I always feel a wave of emotions everytime I watch the episodes. I've never cried, laughed, and fell in love this hard in a series before.

And, may I say Nam Joo Hyuk is excellent here! This is by far the best kdrama he's had! My God, I totally swooned and fell hard for him. He is sooo convincing, just one look at him and I'm in love!! There is something about the way he looks and smiles at you that makes you fell in love with him, no words needed.

I'm sad that this is about to end. I'm still hoping for the Baekdo couple.to end up together. And, I think they will. There may be hiccups in their relationship when they were 25 and 21 (thus the title), but I still believe they will end up together. I still have this gut feeling that BYJ is Min Chae's appa!

Trepsd Apr 03 2022 2:10 am Felt super depressing watching this episode number 14, i understand sometimes this happens in real life (trust me i know) but this was not just a "crush" or a " vague love" , a real LOVE like this in real life would survive any obstacle. Its just sad the writters went this way.

Cheers

Talha Apr 03 2022 1:04 am Omg! I thought the next weekend was supposed to be the last one. Today the story ends aaaa!!!!

Karen Apr 02 2022 10:50 pm regardless the endgame (though i really really hope hee do and yi jin continue to be together at present timeline), this is an outstanding drama. kudos to the screen writer, producer, director and beautiful casts.

Karen Apr 02 2022 10:48 pm i never imagine i would be crying during hee do and yu rim fencing finals in 2001. so intense, you can feel the yearns from both gals wanting to win the gold medal so much, yet at the same time they feel so sorry for each other and the whole situation. bravo to the 2 besties for bringing out the multilayered emotions in that scene. i was truly touched.

Makesenses Apr 02 2022 9:34 pm My theory is. I think Yi jin mom will remarried to a man Kim last name and adopt the two brothers.so that they can change last name and the deptors will not come to them . Hahaha.. Kim Yi jin is now the new name of Beak Yi jin They live happy ever after.hahahaha

Taehyung Apr 02 2022 1:42 pm I was hesitant to watch ep 15 because i felt brokenhearted with ep 14. I decided to watched today without any expectations about BY and HD's relationship. I realized that this drama shows the stages of relationship between 2 people. How it blossom from friendship into something more than friendship (By and HD). The ups and downs of having a relationship specially if both parties has to build there careers plus the distance. This is so relatable. It makes me feel nostalgic. It just brought back some memories from my past. I appluad the actors, writers, directors, and the crew for bringing us this drama. Good job! I am waiting for the finally episode to close the case of Who is Min Chae's father?..hahaha

Web Apr 02 2022 5:17 am I must admit i was intending on watching this drama after it airs all the episodes, but i started last night And I Was Hooked episode 1 is so good that i continued watching. Good thing is that it is airing its last episode tomorrow so i wont be bitin ahahahha good watch yall

Renwa Apr 01 2022 9:35 pm Nam Joo Hyuk attracted me to this drama. Kim Tae Ri won my heart in Mr. Sunshine so what a treat to see her performance in this drama. The entire cast has been superlative! 25/21 has exceeded all expectations on every level…original inventive script, acting, directing, cinematographer, editing…doesn’t get much better. Yet another Gold Medal for Korean Drama! Thank you in any language doesn’t come close to express my appreciation to the entire production team for such stunning entertainment. Don’t miss this one.

babadoinks Apr 01 2022 7:07 pm inspiring story about one's struggles in life and showing different ways to cope and survive. The characters(most of them) have their own story to tell, but of course it is more focused on the main character..heedoo and baek jin..Excellent performance for both actors , inspiring messages as well,..credit to the writer..?..tae ri protrays the role of heedoo very well..considering that she is not in her teens in real life..??..you'lle never know..Nam je hyuk as well..good acting..he can talk with his eyes..??..well done guys..waiting how it ends...???

NamJooHyukis❤️ Mar 31 2022 4:07 pm I love everything about this drama, I cant stop raving about it! The plot, twists, storyline. Everything's perfectly executed. Its very rare to see a drama these days that will get you hooked and this one totally delivered from the first episode down to ep 14. It will make you laugh, reminisce your high school life and first love, it will teach you the importance of friendship and family.

And, may I say this is by far Nam Joo Hyuk's best performance ever! He is sooooo convincing that I totally fell in love with him! I can't get over how great his acting here. If i could rate this it will definitely be a perfect 100!

shawtyimmapartytillthesundown Mar 31 2022 1:56 pm Absolutely love this drama so far, the chemistry between the main leads is incredible! This might be Nam Joo-Huyks best performance in a kdrama yet, Baek Yi-Jin seems so believable (and also likeable) as a character. Kim Tae-Ri's performance as teenager Na HeeDo is also amazing. I would be completely Devasted if Baek Yi-JIn and Na Hee-Do don't end up together!! Compared to many other romance dramas these days, this drama is not completely predictable, it overall reminds me of the Reply series. So excited for the ending this week!

JDH Mar 31 2022 1:10 pm I love everything about this drama! Love the character development, the solid friendship, and how the real struggles of youth are depicted. The story was outlined well and nothing was forced. It just went smoothly, perfectly written! It makes you reminisce your time back during high school.

As for the cast, you can really see the camaraderie of everyone. They really portrayed their roles really well. This is by far Nam Joo Hyuk's best drama ever!! For me, this is the drama to beat, nothing has come close so far. I've had a roller coaster of emotions while watching this. I've laughed, cried, got excited, and totally fell in love.

I can't believe it's about to end, I'm already having sepanx as early as now! Highly recommend this!

Jean Mar 31 2022 12:43 pm I think (and hope, fingers crossed) Yi Jin and Hee Do are end game. Min Chae could be YJ's daughter. As to the surname Kim, I have a feeling that YJ was just adopted. In one of the episodes, his father said he was his biggest consolation (I think that was the word) 10 years ago. Also, the father registered a business under the 2nd son's name. If YJ was indeed his legitimate son, he could have listed the company under YJ's name. This led me to think that YJ was adopted and his real name was Kim Do Hee, which explains why MC was a Kim. Hope my theory is right, really shipping Baekdo!!!!

I so love this drama, I've seen it twice already while waiting for the last 2 episodes.

Dokja Mar 31 2022 12:38 pm I think this drama is one of the best dramas, because this drama is very close to real life. This can be felt through the ups and downs of an athlete, the meaning of friendship,

a life where hope goes according to our plans but is always awakened by the harshness and cruelty of the world's slaps, the pressures and demands of work and of course what true love is.

That's what makes youth so beautiful, crazy and unforgettable. As to the ending, i don't know how this drama will lead, whether to a happy ending or a sad ending. I will accept whatever it is gracefully.

Diane Mar 31 2022 6:29 am So is MC Hee Do's daughter since setting is summer 2021 and if MC is 13 or 14 she would have been born 2007 or 2008 which would have been in the middle of HD fencing career.

Re when HD must have gotten married, it could have been earlier than 2009 given YG's comment regarding late congratulations. At that point he may not have been in contact with HD for years.

Diane Mar 31 2022 6:16 am In the episode where MC is talking with her grandmother about the controversy over her mother's gold medal and the on air statements the grandmother had to make about the medal having been stolen the grandmother tells her how her 15 year old granddaughter is smarter than HD had been. So she was 15 years old Korean age which means she would be 13 or 14 international age.

Cho Mar 31 2022 12:33 am May I ask, how old is Min Chae at present? Was it mentioned in the drama? Is she 13 or 14? I just thought that maybe it can answer my question in mind. Thanks very much.

Sheng Mar 30 2022 6:56 am I'm thankful for the secondhand cheers, motivations, support and comfort I'm getting from Heedo x Yijin and the rest of the Taeyang Squad. For someone who's struggling mentally and emotionally, by watching this drama and taking inspiration from their different stories, I felt validated and, at the same time, comforted.

Happy to have found another drama that I can go back to and rewatch whenever life's acting tough on me again. As to the ending, I'm still positive that Heedo and Yijin is going to be an endgame. I don't know, I just feel that a love like that shouldn't be wasted. And I'm hoping to witness that in 2521. Regardless if it's sad or happy, this is one of the best kdramas in the history.

I'll take all the life advices I got from you. ⭐️

Karen Mar 29 2022 8:24 pm it will be painful last 2 episodes...but it still is a beautiful drama.

Trepsd Mar 29 2022 5:21 pm @Rango thats a good question, Kim Min-Chae even said in the 1st episodes " is this my mom's diary, i mean Hee-Doo diary?!" so she could be not her daughter at all

Rango Mar 29 2022 5:59 am Common guys it gonna be happy ending definitely based on Yi jin said to Hee Do," Let's try kind of love, prepare yourself" in episode 13.....the only question is Who is kim min chae,? Is she really their daughter?

Trepsd Mar 29 2022 3:35 am 2521 = Na he-Doo new Atelier, basicaly her new job and she named her atelier 2521 (probably the best year of her life)

Trepsd Mar 29 2022 3:32 am So i did scan the letters on the (i mentioned on my previous comment) it seems Na hee-do's new job is painting/fix wood stuff like chairs and thst room is her 아틀리에 (meaning Atelier) called 2521.

Trepsd Mar 29 2022 3:21 am One tip guys , check on episode 2 ( minute 3 to minute 4) when na hee do is talking to her daughter and she was paint some stuff but in that room you can see a big wood thing on the wall with huge letters and magical numbers 2521.

yeoreum Mar 29 2022 1:48 am tbh im scared for the last 2 episodes

tamago Mar 28 2022 10:04 pm watching this drama is like riding a roller coaster, our emotions are made up and down for a while happy and funny then we can cry bitterly

I really like this drama

uutiee Mar 28 2022 7:52 pm This kind of drama really good, portrait life. From the beginning we know that baek hijin will not end with hae doo but we continue watch because of the frienship they had... Esp yurim and haedo. Sungwan-jiwong as a bFF... Gosh... Prepare for the worst guys! In the end i would like to congratulare all cast, kru and production that making this drama.. thank u love your hard work!!!

Rebecca Ellovido Mar 28 2022 6:50 pm My first “korean drama” movie to ever watch.And just like that i got hooked to watch and wait for the next episodes … great casting ♥️ Excited for the coming weekend ….. ?

Lavender Mar 28 2022 12:56 pm From the beginning Na Hee-do’s daughter is Kim, not Baek. This shouldn’t be a surprise anymore. It’s just really sad to see after watching what they all went through. Love the plot and twist of 2521.

Maggie Mar 28 2022 12:50 pm For me its a realistic drama. This is how life is, you dont always end up marrying a guy you fell in love with in high school. It happens but not always. Friends come and go. We had friends in high school but we don't really know where some of them are now.. Thats how life is, people grow apart, we all follow different paths and some people don't become part of that journey.

Secondly its weird that we thought these 2 ended up together or marrying each other. Hee do's daughter doesn't seem like she knows baek yi jin so I don't understand why people thought these 2 got married.

Well 2 more episodes to go. Lets see how it wraps up

BYJxNHD Mar 28 2022 9:38 am I know that’s not gonna happen and I’m lying to myself but even with what happen in ep 14 I still hope, for my sanity, that BYJ and NHD are endgame

yooanim Mar 28 2022 8:23 am Now i know how "when it hurts but it hurts so good" feels like :')

Karen Mar 28 2022 7:45 am yet, this drama is still beautiful

Fan Mar 28 2022 7:17 am I wish the squad will have more kdrama :((( too much too ask but I wish them 5 in a series

Trepsd Mar 28 2022 6:21 am After this last episode im scared gor the last 2 episodes , super painfull to watch a beautiful and honest Love ending like this. Jesus just wow

Kalise Mythia Mar 28 2022 4:48 am Episode 14's conclusion is excruciatingly painful. It depresses me.??

kwonhoshi Mar 28 2022 4:24 am damn idc what's the ending gonna be im in love with this drama, it's so realistic, the casts, the cinematography, everything about this drama is perfect. I'm gonna miss the friend group so bad :((( aaaa i don't want this to end I'm begging for s2

Indo Saraam Mar 28 2022 3:36 am How did the ratings drop?????.. (︶︹︺)

Tibor Mar 28 2022 2:55 am I enjoyed episodes till 10, actually re-watched episodes 5-10 5-10 times. I am sad that Back Yi-Jin did not do the same as he did at the end of episode 8, when he had an interview with the referee in order to ease the situation for Nah Hee-do. The screenwriters should have been generous to the character of Back Yi-Jin and the questions and answers of Ko Yu-Rim to explain her situation. So while in episodes 4-10 Back Yi-Jin fights for Nah Hee-do after that he does not.

era Mar 27 2022 10:23 pm I'm obsessed with this drama, 2521 has a very good plot, Kim Taeri & Nam Jo Hyuk have good chemistry , i'm gonna miss them & Feel so lonely when the drama ends :(

Crystal Mar 27 2022 9:39 pm As it’s title 2521, the age of youth 21-25. I think this drama tells us about our own early 20s which are the youth, the best & supportive friends, the first love, the struggle to achieve our dream, and last but not least the nothing lasts forever. Treasure it. This drama brings back everyone’s youth, how we feel so warm at that age. But at last (when we’re becoming an adult), we have to face the reality, people move on, and have to grow apart to live their own life, nothing lasts forever. It’s a very beautiful drama yet very realistic ???

Tan Mar 27 2022 8:45 pm Epi 14 ; the end of this epi hi Jin congratulated hee do’s wedding …. sad to hear this ….

Elle Mar 27 2022 7:55 pm You dont always marry your first love. And it'a possible to love other people again and again. This is the reality.

PalmBeachG Mar 27 2022 7:44 pm What? Episode 14 - You are kidding - this is way too much to endure. I don't know one person who does not want a happy ending in this story and will be disappointed in the story and writers and already are after this wedding comment.

Melancholic Girl Mar 27 2022 4:30 pm Hmmmm... I am bit suspicious about the ending of ep. 14 and the teaser. I hope my gut feeling is wrong. I think Yijin might die at 25.

NJH ❤️ KTR Mar 27 2022 4:17 pm I am still looking forward to a happy ending?❤️

Dakota Domengeaux Mar 27 2022 3:08 pm This K-Drama is incredible. It’s the best one yet. I’m heartbroken and apprehensive over the upcoming ending.

Praneeta Mar 27 2022 12:38 pm I am sure she is daughter of Go yu rim, as we can see initially even go yu rim was scared to fight same like daughter... ji woong cannot marry yu rim so yu rim decides to give their child to haee do ... So basically Haa eedo and baek yi jin live together , yu rim and ji woong... and yu rims daughter will be taken care by ji woong and haee do so she can represent Korea and no points her as traitors daughter

welcomehome Mar 27 2022 12:31 pm @Tham: I think it's a G-Shock watch, popular at that time.

Ko Yurim happy ending Mar 27 2022 12:21 pm Just watched ep14 and cried a lot. Ko Yurim's story is so sad but she is so strong and loves her family so much she's willing to sacrifice everything for them. Big respect for her. She is one of the most complex characters from Kdrama I've met. Thank you writer for sharing to us her story. I hope she has a happy ending too.

CHESKA DENISSE Mar 27 2022 11:59 am I don’t know what will i do when 2521 is over??

Robi Riana Putra Mar 27 2022 11:43 am i hope this drama have happy ending..

Robi Riana Putra Mar 27 2022 11:40 am this drama like real life, i hope na hee do and yi jin have happy ending...

skrrrt Mar 27 2022 11:34 am this is such a good drama wth. i wasn’t sure if i’d like it at first but i’m totally hooked!!! love the storyline, great writing and also kim taeri plays her role PERFECTLY. definitely worth watching!

Claiirdelunee Mar 27 2022 11:32 am I'm dying to know who Na Hee do's husband is. And is it possible that Min Chae is actually Yi Jin's daughter?

Imjin Mar 27 2022 11:02 am Holy moly sh..t :O "congratulation for your wedding" now we know what it means

who is minchaes father Mar 27 2022 10:54 am Its been a long time since Im being this hyper over a drama. Indeed one of the best writing ever. Good job writer nim. And ofc the outstanding portrayal from the actresses and actors just wow

Talha Mar 27 2022 10:23 am Ahhh this drama is killing me!!! I just hope it has a happy ending!

rndmwatcher Mar 27 2022 10:00 am This drama is an emotional roller coaster but man, this is a Masterpiece!!!! Every after episode will make you question a lot of things ? but having that overthinking phase every after airing is such a stressful yet fun ride.

Kim Mar 27 2022 5:52 am For me this drama bring so much joy and positive vibes, every episode contained complete package, there're fun, comedy, heartwarming, love, pain, hopes, dreams, and the mistery (about who's Kim Min Chae's father) lol. Well done for the acting, all the casts doing great, Kim Tae Ri delivered young Na Hee Do character with well.

twenty five Mar 27 2022 5:08 am y'all Choi Tae Joon cameo is so funny

Indo Saraam Mar 27 2022 4:29 am First time commenting here. Had been an ardent fan of kdramas since 2012, but stopped watching two years before bcoz of some boring rom-coms. Liked KTR so came to this drama and all my love for kdramas returned?. KTR fighting ? 2521 top 5 in my all-time fav kdramas list.

Karen Mar 27 2022 4:10 am Nam Joo Hyuk is a great kisser, always felt the loving tenderness in his kiss

Kim Mar 27 2022 3:48 am So much positive vibes from this drama. Motivation for youth to achieve the dream. This drama for me is full package, fun, comedy, heartwarming, love, hopes, dreams and mistery (who’s Kim Min Chae’s father) lol, the actresses and actors delivered outstanding acting, especially Kim Tae Ri, superb?

Tham Mar 27 2022 3:37 am In episode 11, did baek yi jin wears a smart watch? I notice the face of the watch is totally black. Smart watch shld not hv existed at that era.

heedo Mar 27 2022 2:50 am why do i think that yijin’s actor is keep showing me like the same gestures idk why i can’t get immersed into his expression like i did with his dialogues. like it feels empty comparing to heedo’s character. but his dialogues are so powerful so i wish to see more of him bc i think he can do it more than this

Tala Mar 26 2022 8:46 pm I like this drama. Youth must watch this drama instead of any useless movie

Ant Mar 26 2022 7:00 pm In episode 13 Na Hee Do's has apply for college, mean they will be separate soon...

Halle Mar 26 2022 5:39 pm 3 more episodes left still no clue who Kim min chae's father is

Dreamer Mar 26 2022 2:36 pm I work hard everyday so it's nice to end my week with this drama. It helped me endure the cold winter. I will miss everything about this drama. I will miss Hee Do's cuteness, Seung Wan's fighting spirit, and the two couples. Thank you cast and crew for all your hard work and putting together such a great drama. It made me think a lot about my youth and how I missed it. Thank you for making my heart flutter and making me cry every week.

2521isLove Mar 26 2022 12:07 pm What a beautiful love story. I'm extremely in love with this drama. It gave me hope and comforted me every week. It is such a heartwarming drama filled with love, hopes, and dreams. What am I gonna do in 2 weeks? I'm gonna miss this epic kickass drama!!

Taeyang Squad OT4 Mar 26 2022 11:14 am Watching this for Ko Yurim, Moon Jiwoong, Ji Seungwan... and Na Heedo when she's with Ko Yurim, Moon Jiwoong and Ji Seungwan. ?

Onie Mar 25 2022 11:28 pm I'm beginning to like this, it has a Reply series vibes.This world is not getting better pls. don't add up by killing Yi jin.It looks like he died as a heroic reporter and I had that hunch when Hee Do's mom mentioned that she saw him w/c seems she might die soon of aging.Im still rooting for this kdrama....?

Mae Mar 25 2022 10:57 am The future scenes are so discouraging :( what happened to Yijin

The wait is killing tho Mar 25 2022 10:29 am This show is epic, honestly. The relationship between Na hee do and Baek yi jin is just flawless, nothing at all was forced. it was just plain, smooth love. I see absolutely nothing wrong with the age gap, it's four years. Most people date people ten years older. Besides, he waited till she was old enough before engaging in anything with her. Na hee do might have been a high school kid but she was able to relate with him and understand him more than any adult could. Their relationship seriously gives me butterflies. She was his motivation and He was her rock. Despite their age gap, they still managed to fully understand and care deeply for each other.That is what friendships and relationships should first be based one. Not age difference. I would definitely take someone five years older who can relate with me than someone my age who I can barely share a laugh with.

Lalola Mar 24 2022 12:30 pm Love this drama so much, waiting for new episodes is torture. BaekDo has to be endgame or else I'm going to be so heartbroken :(

Nam Joo-hyuk's no.1 Fan Mar 24 2022 4:32 am I want more ep for this series.

era Mar 24 2022 2:05 am less than 4 episodes ahead and I think I will be lonely when this series ends, please give more episodes for this series , I'm so obsessed with this drama

Diz Mar 23 2022 5:45 pm I need to give a shout out to the two badasses, Seung-Wan and her mom who stole Episode 12. Hits the feels with that one! So many dramas focus on harsher judgements from parents, like with partner decisions/marriage and education/career path (and i understand it's just part of the culture and nowadays is somewhat more liberal in their children's decisions) so it's refreshing to see a mom supportive of her daughter's decision but making sure she's set on it.

Que Mar 23 2022 10:51 am For those who said that Hee-do character is not realistic are you delusional or what? That's how hee-do character supposed to be. Loud and cheerful, full of emotion. Kim taeri is the perfect actress i mean excellent actress who can portrayed hee do character really well. I cannot see other actresses can be hee do. You can accept Kim bok joo character but you cannot accept Hee do character? Jokes on you

Bn Mar 23 2022 9:32 am I'll be so sad when this drama ends

Melissa Mar 23 2022 8:36 am Just found out the theories and it breaks my heart . OMG the drama is dark. Yijin and Yurim supposed to be dead, and it seems minchae's dad is not Baek Yijin. I will wait until over to see if the theories are right or maybe plot twist.

SVN Mar 23 2022 7:40 am Kim Tae Ri is amazing! I really love this drama so much!

Elle Mar 23 2022 4:14 am I dont understand the age diff controversies. Shes 20 in Korean age, it means she is already over 18 in international age, shes not underage. They are only 4 years apart. What is the problem? In real life many senior high school students are dating a college student.

Heedo Mar 23 2022 3:12 am 11% ratings and above when? Ugh

Skawngur Mar 23 2022 1:41 am I love this drama so much, I love the romance and chemistry between the leads, idc what knets are saying about the minor and adult situation. I think yijin genuinely wanted to be a friend and support system for heedo but feelings got developed, when he said I love you, he said to her that he wasn't expecting anything in return and just wanted to make her happy, he is cautious of heedo's age which is why he isn't rushing or forcing her into anything, even with the kiss scene, you can see how he didn't kiss back and what if in the next episode he keeps his distance. Also if not for the IMF crisis yijin would still be in college, so technically he's still a student. Y'all make him out to be like some ahjussi, pls stop throwing words around like grooming especially when you aren't even watching the show and just joining the bandwagon hate.

Jojo Mar 22 2022 7:42 am Best! Ever! Kim Tae Ri never disappoints! Love you 3000!

Mamiya Mar 22 2022 5:25 am I think NJH was charming in the character of YiJin even emotional scene such as talking back to Jung HoJin about the allegation of toying Heedo, he did really mean in the dialogue. He can nail this YiJin role from romantic to emotional scenes. For me, Start up, he was into the character ; nerd and trembling In pressure situations especially 1st half of drama. I like his acting. For Heedo role, KTR was also into her role by a bit tom boy personality but mix of feminine side. Her action is very good and can get along well with YiJin character to make this series so lovely to watch. Besides, a lot of learnings from many characters which we can learn from them that they made this drama so worth to watch it. Recently, I like this series the most. 10/10

Baekdo Mar 22 2022 2:51 am OMG only 4 episodes remaining!!!

Talha Mar 22 2022 12:33 am @Dada the way Kim Tae Ri is acting for Na Hee Do is the way it was written and should be. This adds depth to the character and shows how immature she is and how much she still has to grow. After her dad died, she grew up majorly by herself as her mother was mostly busy with work. It also highlights the contrasting levels of maturity between Yi jin and Hee do. If you can’t understand such simple techniques deployed by the director maybe this isn’t for you!

Heedoyaahhhhh Mar 22 2022 12:08 am I really love this k-drama,It's just so comforting and heartwarming!!! it perfectly showcased how beautiful and bright our youth can be. it's indeed a time of innocence, carefree and spontaneous adventures. A stage in our life that we shouldn't take for granted and instead seize and cherish because whether we like it or not we'll soon grow up and deal with adult things. so if there's anything, we must take all the chances in making our youth memorable and worthwhile so when we look back, we would be able to say to ourselves that we definitely Had The Best Moments Of Our Life During Our Younger Years!!! ✨ (✪⥎✪)⁂* And this is my comfort k-drama ? I will never forgot thiss?...

littlepinky Mar 21 2022 9:28 pm awesome "script" by Kwon Do Eun...it 's like each script it's not only expected for the main characters but the 'right timing" when said and direcyef, kudos to the director as well. No wonder i can identify how WWW Search is written as well

Dada Mar 21 2022 2:54 pm I finished the first episode and the female lead is constantly shouting and her over the top facial expressions are so cringy... she's talking to herself (thinking out loud?) shouting and pouting which is super annoying ughhh her acting is so not natural especially next to nam joo hyuk, I always find his acting calm and genuine but she is a bit cartoonish? Their distance and difference of acting style is confusing for the drama let alone their non existance chemistry, is it a comical drama like weightlifting fairy? At least kim bok joo was likeable despite her ridiculous facial expressions... I'm shocked that female lead kim taeri was in a park chan wook movie

Cool Mar 21 2022 12:03 pm I am glad what yeji did u want to leave u shud leave, but i dont get how coach can force her to stay,because isnt it a students choice and parents? I felt very happy when she stuck to decision and quit.

I am also glad for seungwan for taking a stand but i didnt get why they showed so much crying music and crying for her ,it was a personal choice and not a big tragedy,school had wrong policies and she chose herself to quit, so its all cool. I liked how she talked to teachers confidently,it was so catharatic, things iwanted to do but couldnt.

Heedo Mar 21 2022 10:16 am It's left with just four episodes and baekdo are still together, so how i

Talha Mar 21 2022 5:59 am For me, ep 12 of 2125 was the best one yet. It maintained a serious tone overall while highlighting issues like corporal punishment in school and also taught the lesson of earning what you want through grit and determination. All of the actors acted their hearts out. Even though the tone was serious there were still scenes that shed light on the comedic and romantic aspect of this show. All of the actors acted their hearts out. Ji Seungwan led the way!

nobody Mar 21 2022 5:36 am e12 is ji seung wan show

Heedoyahhhh Mar 21 2022 4:11 am I love this drama so much ❤️

Libby K Mar 21 2022 2:06 am My husband is 4 years older than me. We met when I was 27. And sometimes I ask him "what would you think if we had met as teenagers?". And he always says it would be ok if I were 19 or 20, but creepy if I were younger. And one more thing : I live in France. Kim Tae-ri french skills were impressive in the last episode. The "R" pronunciation was a little too strong but I could understand clearly all her french speaking without subs. You go, girl.

Loh Mar 21 2022 1:07 am After e12 kiss if they dont unite heedo and baekjin that will be rude thing by the writer

Kimberly Mar 21 2022 1:00 am This deserves more than 10% ratings wtf

Yourfan Mar 20 2022 10:57 pm I love seung hwang, hee do, jo woong characters the most

Yourfan Mar 20 2022 10:53 pm Is it possible to make all the characters and cast to be this good and unique. God I love them all. This drama mean a lot to me

Artess Portaliza Mar 20 2022 10:51 pm I didn't expect I will be having a huge crush with Na hee do (kim tae ri). I'm a girl and I'm attracted to her character. I guess her as Na hee do is not far of her being Kim tae ri. Yi-jin also give me an Idea of a typical man. It makes me want to find someone who's older than me. I love both the character of Yu-rim, Seung wan, and Ji-yoong. Hope I could find a friend like them at my college years. Just...the whole concept is so fun, so far. I hope this will be a happy ending, please don't disappoint us viewers. Love lots❤ I hope Tae ri will notice me in her IG?

Yanzkie Mar 20 2022 10:34 pm This is the best korean drama series that I have watched so far? It makes me feel so in love and happy all the time I see Nam Joo Hyuk (My super crush korean actor) and Kim Tae Ri...?❤️?..The writer is so brilliant that it gives us viewers super thrilling and excitement in every episodes. The best casting, great actors and actresses. They have really portray perfectly each of the characters especially Baek Yi Jin(Nam Joo Hyuk) & Na Hee Do (Kim Tae Ri). I will definitely remember this drama for the rest of my life.❤️?One of the best Korean drama series of All times. I wish to see Nam Joo Hyuk & Kim Tae Ri in more kdramas together. I really shipped them.?❤️

lolipop Mar 20 2022 7:03 pm I'm really curious who will play the adult back yi jin >...< really can't wait for the next episode. will they( na he doo, ko yurim, back yi jin, ji seungwan and moon ji woong) get together at the school reunion????

Heyarnold Mar 20 2022 3:31 pm There are few shows that leave me anxious for the future episodes, while I am watching this drama, for a few minutes, makes me forget it's fiction which is why I LOVE IT SO! Writers, Producers, Camera Men, Makeup Artists, Lighting, Costume designers and most of all Actors, great job, my weekends are so very entertaining!

Nickcalarco Mar 20 2022 11:09 am This is the best and happiest Korean drama I have seen so far. So many of them I stop watching because after a number of episodes they are so sad and stressful. I look forward to watching these episodes every weekend Would also like to see more happy dramas such as this and Hometown Cha Cha Cha.

Must Mar 20 2022 12:42 am Its hard to be a single mom working and raising a child in a society where they put a professional expiry age on women, i felt sad when her mom said she would do news flash after hearing bad news. Also i find heedo very lucky cause in her circle most ppl are financially troubled like jiwoong,baekyijin,yurim and those who are welloff are not as rich as her, she could carry designer bags.

rara Mar 20 2022 12:24 am happy ending pleaseee.......

Thinlay Kachoboo Mar 20 2022 12:05 am I guess this drama will be going to be one of my all time favourite. What a great way to start the year ( 2022). Kudos to every character for being able to reach the heart of the viewers. ?

Gia Mar 19 2022 5:09 pm I have a huge crush on Nam Joo hyuk

Joan B21 Mar 19 2022 11:07 am I miss my school days knowing that Kim tae-ri was a 90' liners but still looking young ?the role really fits for her and ive always waiting for the next eps. coz im excited of what happen between her and Yijin hoping for happy ending please.......?

Kdrama fan Mar 18 2022 6:39 pm I’m going to miss Kim Tae-Ri as her adult role, she is amazing and versatile actress, watched her in Mr Sunshine, she was excellent. So far the story has so much friendship, that is really helpful with schoolers. Love Nam Joo Hyuk. This series is luring to our curiosity, can’t wait for next episodes and hope for more to come. I applaude all characters, good job.

Ailini Kusitafu Mar 18 2022 7:39 am this drama has my heart forever, literally my number one!! love you taeri and joohyuk. ♥️

Edith Mar 18 2022 1:37 am I have watched other dramas of Nam Joo Hyuk but this is the first role that is the most convincing! The way he looks at Hee do is very special compared to others! I want someone to look at me like that. This drama, I can relate :( you know you love someone deeply when they make you do things right and Baek Hi Jin!!! I want someone like youuuu huhu.

Grace Mar 18 2022 1:10 am I wish this story have happy ending . I love the story. Cant wait for the next episode.

Heyarnold Mar 17 2022 8:01 pm Nam Joo Hyuk love love love your character, great job, awesome acting. Your expressions are quite convincing!!!! You are the ideal male lead.

Nelly Mar 17 2022 5:23 am Even though I l like Nam Joo Hyuk's visuals very much ,very much good looking actor this is the first kdrama I fell for him. Superb acting probably his best role . Kim Taeri is always amazing she is the best actress so far.

MAO Mar 17 2022 3:47 am This is such an extraordinary film and is probably one of the best K-dramas I've ever watched. The comedy, the romance, the realism, and the torturing truth of life is all there. It's so fun to watch and see how the story goes and is not what I expected from this film. I was hesitant at first thinking it would be another boring and cliche K-drama but this is far from that. Not only does it give you the feels every moment in the episode but teaches you about adulthood and dreaming.

The cast members are so talented and did an amazing job portraying their roles in the drama, especially Kim Tae-ri, she's proving yet again how much of an outstanding actress she is. Her character is so inspiring making me want to do my absolute best to try and reach my dreams as well.

If you're looking for a heart-warming and a slice of life drama, this is the series for you, would definitely recommend it to anyone who's looking for a good series.

Jasmin Mar 16 2022 8:56 pm Well deserve good ratings❤️ keep it up, Team 2521

Awesome Mar 16 2022 7:40 pm Kim Tae Ri is just perfect. She nails every role she does. She should be given all the awards. She is my favourite Korean actress. This drama is also brilliant. One of the best dramas to have come out this year. I’m just gonna be bold and say that this is The Best Drama Of This Year. It’s so brilliantly written.One thing they could have improved on is casting ML who can match the same level of acting as KTR. The current guy playing the ML is just expressionless at times and sometimes his acting comes off a bit stiff and forced. Not natural like our queen Tae Ri. He is hot though which is a plus.

Zainemerald Mar 16 2022 3:29 am I watched the first episode by chance and was drawn immediately to the character of hee do as I saw some similarities between her personality and mine and even the situation she was facing, and you know people love similarities then I watched all episodes and I literally love every main character in the drama, I hope yi jin and hee doo end up together, what I like the most about this drama besides giving me the good old days vibe, is the way they tackle the effect of the economic crisis on each individual and how they show us the difference between characters through it and how each one is beautiful in his or her own way. I love the mom of yo rim so much. She’s the best mom in the drama.

Lea Mar 16 2022 2:42 am This drama is my happy pill. I look forward to it every week and I'm already dreading it's ending because I don't want it to end. I like NHJ and are watching the other cast for the first time. Fell in love with KTR's acting and personality. She is soooo likeable and what an amazing actress!

The story line gets better and better! It makes you wonder what the plot twists would be. It takes me back to my childhood days when all I did was hang out with my friends, play and start to talk about boys. The feeling of falling in love. Getting scared of growing up and growing apart from friends.. ahh this drama is so refreshing.

April Mar 16 2022 2:35 am Kim Tae-ri is such a great actress! I decided to watch this series because of NJH but end up falling in love with her instead ❤️ hope to see her more on screen

Xoxo Mar 16 2022 2:34 am Beat drama 2022!

Tee Mar 15 2022 4:00 pm I think I am going watch this!!!

katherine Mar 15 2022 2:52 pm spoilers!! It literally broke my heart when she said she doesn't remember the trip. It's either because something bad happened during that time and she doesn't want to remember it or because simply time has passed. This show is actually so realistic!!

Kdrama Mar 15 2022 8:01 am This drama actually has the potential of Hee Do and Yu Rim becoming lovers,.it's just that people who lives in that era won't move forward with it..lol

Twenty five twenty one Mar 15 2022 4:24 am I feel like Hee do thought Min chae was talking about her going to the beach with the fencing team, since she assumes that Min chae knows fencer Hee do, but not teenage Hee do, and she doesn't even know that Min chae is reading her diary. Also, Min chae didn't even have a reaction to her mom saying in her diary that she felt like she can do anything with Yijin around, but overreacted when she dated with a guy she met days earlier. Still hoping for a better ending. Twenty five twenty one fighting!!❤️❤️

Daneri Mar 15 2022 12:42 am Ammm this is my theory ... Maybe Yi jin and Hee do are together and they are Min chae's parents, maybe the last name will be explained later and the fact that he is adopted fits perfectly (Yi jin's mother's last name is Kim, maybe that's why he changed it and that's why his daughter has it).... As for why he is not present is because he became an international correspondent and with the virus he must maintain quarantine every time he returns to the country, so he still does not visit his daughter, and thus justify why Hee do's mother says she sees him at the station and she does not react because she knows it (in the end she should know when her husband returns). As for Hee do's memory loss I read a theory that she indeed has selective memory loss and it's due to the loss of a squad member and that member is seung Wang (remember what she says to Yi jin on the beach, maybe she suffers from depression and it has serious consequences ??) that's why Hee do can't remember that particular trip because it hurts her and she has hidden all her photos and hence Min che doesn't recognize her father as a young man because he changed his name and never saw one of his photos before . ..

So much for my report ??? (and my wishes for a Happy ending ??).

Woogir Mar 15 2022 12:13 am I can feel the improvement in joohyuk’s acting over the years and i love to see it. But idk why in scenes he was with taeri, he was somehow felt underwhelming or is it that taeri was too powerful in terms of character’s dynamic. It’s already halfway thru the drama and i still feel the same

Hear me out! Mar 14 2022 9:21 pm So hear me out, remember when Hee-doo’s mother was telling Hee-doo about how she met Yi-jin and how she suddenly lost her smile, right!! This could be telling us something and then to the part where Na Hee- Doo was giving her daughter a gift from her dad....this just took me off like who's her father....if not Yi-jin or Yi-jin changed his name.....mn idk this drama giving me some hard thoughts....overall I loved the beach scene, the convo with each other magnificent ??, the sound overall was top-tier ?

pixie Mar 14 2022 8:50 pm okay I Love Kim Tae Ri So Much <3 and of course nam joo hyuk :p

i cant estimate their future story since they not showing Back yi-jin (in future) sbdhsbds im nervous. pls dont make sad ending, i ship both lead sjbdhsd

Loveee love the chemistry, i hate the fact tae ri looks so young but actually she is older than me *clown face

The way yi-jin stare to hee do, i cant *blush who said he cant act? pls watch weighting lifting fairy *roll eyes

btw this drama so healing 10/10 recommend!!!!

Enjoy kdrama movie Mar 14 2022 4:48 pm We’re enjoying this drama so much, chemistry between Hee Do and Yi Jin is very inspiring and incouraging to their future. It’s nice to have a friend. Yi Jin express his feelings but he didn’t cross the line. Friendship between all five is lucky. In due respect it’s innocent, nothing bad happened. Kim Tae Ri is a fantastic actress, her acting is perfect in the role. Hope the upcoming episodes will satisfy the audience. Sure to look forward to see them in the awards show. Thank the staff and crew, casting, writers for a wonderful drama, always looking forward to the next episodes. ❤️❤️

Nancy Mar 14 2022 1:06 pm Hope Hee-Doo and Bak are together at the end!!!

Aamina.A Mar 14 2022 11:58 am If hee do is not together with back ye jin I lowkey want him to be with seungwan

Sha Mar 14 2022 8:10 am I think BYJ will change his name due to his credit background, so his new surname is Kim, so NHD and BYJ still together and the child dont know the picture of his father or his father old name....

SentineL Mar 14 2022 12:53 am Clues : Heedo's mom says in Ep4 "I met Yijin last month" then Adult Heedo instantly lost her smile, but immediately smiling again at the mention of Ko Yurim. Minchae's expressionless face when discovering Baek Yijin and anything related to him (watched his first news relay, looking at old photos). The clashing career between Yijin and Heedo is potentially dangerous for their relationship. Unknown Minchae's Dad (Heedo's husband?) is at quarantine for 1month. Adult Heedo not remembering her outing to the beach with the gang and says "nothing lasts forever" in Ep10... All these conclude that the current Heedo and Yijin has minimal to none relationship, which is heartbreaking for me. From the start their relationship was so sweet until Ep9 which bring me up to clouds. But as I went high on dopamine for Ep9 cuteness I also have a very bad feeling- just like the saying "the higher you fly, the harder you fall" and goddammit it's proven true in Ep10. Then I saw the lyrics of the song Twenty Five, Twenty One by Jaurim.. It's sad af. I hope the writer could be gentle while sinking the ship. That said, this drama is still 10/10.

Poke Mar 13 2022 11:12 pm Watching todays episode i felt its na hee do who is dead and someone else is using naheedos name, i felt who we feel is adult na hee do is actually ko yu rim

Baby Taehyung Mar 13 2022 8:39 pm I watched the 2 recent episodes. I really have a feeling that in the up coming eposides i will cry. Mr./ms. Writers you are so cruel in an awesome way. I am really fond how the story of each characters evolve. The teen love story is very inspiring. It is such a positive series that really inspires me. I watch different genre of kdramas this one is hits in my top 10. Very inspiring teen theme drama with a touch of reality. Please don't make cry until the end. Thank you to staff, crew, production, directors and actors for making this wonderful series. Hoping for everyones success and good health l. Fighting!

Rocky Mar 13 2022 8:18 pm I just wanna add. I don't want to be a jinx lol but most of the kdrama posters in which the lead is looking away will be that "d" word.

Iffnim Mar 13 2022 7:13 pm My heart ache so much when i read some theories from Rocky, it so sad if one of theories might happen in future. Still, I have instinct that one of these has high tendency to happen as regarding hee do’s said to kim min chae, nothing last forever, she will not say this if they still close each other right?

Rocky Mar 13 2022 4:47 pm Theories:

1. Na Hee Do and Baek Yi Jin might not really the endgame. Both BYJ and NHD will choose their respective careers. The relationship of NHD's mom and the coach is a foreshadow. Some higher ups from the tv station will put a pressure towards BYJ as he have a personal relationship with NHD. BYJ doesn't want to ruin NHD's reputation as he also want to stay in his job to provide for his indebted family. And after years of working as a reporter, he might have enough money to pursue his true calling-which is to work at NASA.

2. Someone from the squad (especially Ko Yu Rim) died that's why NHD has a selective amnesia. NHD's mom is so keen in those photo albums and looking at NHD's friends. Also, the existence of NHD's diary plays a major role that even though she might forget it, the diary will serve as a reminder of her happy days.

3.Kim Min Chae is not NHD's biological daughter, it might be from one of her deceased friend.

Kim Mar 13 2022 4:34 pm That scene where yurim's mum hugged heedo, I cried so hard. This drama makes me so emotional.

Grace Mar 13 2022 4:31 pm Have been loving this drama?? Aww too good ??Loved the character of the lead actress?

jga94 Mar 13 2022 3:42 pm Kim Tae Ri is such a good actress. And kudos to Nam Joo Hyuk- he's back. I thought he lost his charm in Start-up but here, his tandem with Tae-ri is like the perfect yin and Yang.

The rest of the crew are all funny and charming. Definitely gives me a vibe like Reply 1988 meets Weightlifting Fairy

Hana Mar 13 2022 1:38 pm if baekdo doesn't end up together, it makes sense since writer has always been giving us hints but if the friendship of taeyang high school squad also end, this gonna be my most heartbreaking thing ever ?? Why you giving us a scene where adult heedo forgetting her first vacation writer, whyyy I overthinking everything now ?

hana Mar 13 2022 1:35 pm if baekdo doesn’t end up together, it makes sense since writer has always been giving us hints but if the friendship of taeyang high school squad also end, this gonna be my most heartbreaking thing ever ?

Why you giving us a scene where adult heedo forgetting her first vacation writer, whyyy I overthinking everything now ??

Lili Mar 13 2022 11:46 am One thing that make me crazy... Who is Mr. Kim (Na Hee Do's husband)?????? Please give me a spoiler huuuu huuuu ,-_-,

Talha Mar 13 2022 11:32 am The way future na heedo doesn’t remember her old friends feels like this k-drama will have a bittersweet ending

kail Mar 13 2022 11:21 am The ending of episode 9 is just soooooo remarkable, especially between hee-do and yu-rim. And the scene when yu-rims mother comfort hee-do i feel like i'm gonna cry 'cause i thought she would do something to hurt hee-do but i'm wrong, and it's just make my heart melt.? I love this K-drama soooo much!❤️

@Ijello88 Mar 13 2022 11:16 am Im gonna cry if this kdrama have a sad ending?

Jordan Togle Mar 13 2022 10:54 am The character of Ko Yurim is so bad and very frustrating. It irates me so much. I hope the attitude of Ko Yurim and the press does not reflect the people of South Korea.

Rango Mar 13 2022 10:23 am Finally, drama that can bring justice to Start Up.....Nam joo hyuk so mature in this drama...Kim tae ri acting just superb and can act like young school girl although she the oldest among them . She so adorable.

Blueberryk6 Mar 13 2022 10:06 am This drama never fails to surprise me. Every episode has something unexpected. It's not a typical drama where you can guess what's going to happen next. I fell in love with this drama. Every lines, scenes, bgm, cinematography, plot and casts everything was just so frickin beautiful. I seriously don't want this drama to end yet but i just can't help myself wanting more episode everytime holy. If you're looking for sign this might be it! Go watch it.

Minty Mar 13 2022 9:05 am I really love this series, I give 10/10. My fondness is increasing after keep watching. Superb, acting skill for Heedo and Yi Jin; so natural and charming. Moreover, a lot of learnings about lives in different vibes, so I love it.

Belle Jean Vidanes Mar 13 2022 12:47 am Keep it up!!! I love every episodes from the start and it keeps on getting exciting eand exciting. I look forward everyweek for the next episodes. Awesome and fun .... Like it a lot, explendid!!! - Phils

woo Mar 12 2022 8:21 pm at the end of ep9., i died... i also noticed how every ending scene on each eps is sooo remarkable done well, this drama never miss < 3 33

rachel Mar 12 2022 7:27 pm Ahh...I never felt this way whenever I watched a confession scene in a kdrama. Baek Yi Jin's confession just hit different. I smiled like a real crazy person falling in love. haha

Jennie Mar 12 2022 5:46 pm Nam Joo hyuk's just added another hit drama to his filmography, no one is doing it like him

Great Mar 12 2022 4:51 pm Just ❤ it. My God, I repeat and repeat the beautiful scene in 9th episode. Great story line and best couple..

Apurva Mar 12 2022 3:27 pm The end scene of ep 9 was so dreamy and the feel good vibes ? and cinematography for the particular scene was ?

Also what was the sound track that was played in the end.. I love it, so soothing ??

Ningning Mar 12 2022 2:24 pm Na heedo and yurim finally besties yass.. my ship

Thisisme Mar 12 2022 12:45 pm I know is late but do anyone know what is the bgm on episode 4 during hee do seriously and romantically setting up yijin’s fencing gear

In love with back yijin Mar 12 2022 12:42 pm "It's love..... I love you hee do" God that part had me screaming. I have never felt this much love for a drama like this except for Mr Queen. I so much love Nam Joo hyuk and Kim tae ri chemistry in this drama.

Love the two of them!

Yumi Mar 12 2022 12:04 pm The last scene of episode 9 made me cry! How can a drama be this good? I'm laughing, crying, there are butterflies in my stomach! This drama is everything omg, I hope it never ends!!!

SentineL Mar 12 2022 11:55 am I wish the drama rating's keep climbing up and through the roof. This drama is totally 10/10. I especially adore the two lead actors.

ylzi Mar 12 2022 11:48 am ko yurim and na heedo endgame!!!!

r Mar 12 2022 11:08 am I Just Cant With This Drama. Thank you thank you thank you for being the reason why I Cant Stop Smiling Today. Everything was Extra *chef's kiss*

Kiki Mar 12 2022 10:51 am Can't remember the last time I got past 4 episodes of a kdrama since last year, all the dramas have been mid but omg it's already EP 9 of 2521 and I'm still looking forward to more episodes. I really love the storyline and the characters do justice to it, the cinematography is amazing, don't get me started on the chemistry. Everything is top tier, a true story masterpiece. Totally recommended

Njh Mar 12 2022 10:16 am Omg omg ep9 is so cut

Rainbow Mar 12 2022 9:45 am I wanna cry how sweet the way yijin say he loves hee do. OMG i have butterfly all over me ??????????

Mitch Mar 12 2022 9:43 am A masterpiece

Halle Mar 11 2022 3:25 pm Nam Joo hyuk has always been my favorite actor, now Kim Taeri just became my favorite actress. She's so good, definitely one of the best in the industry. Will be looking forward to her future projects

Marsega Mar 11 2022 4:19 am Aa i love this drama. Taught me about struggle.... And kim taeri is material girlfriend, energic and so humbleee. Its half done ,but already miss them :')

And hope will be better with ko yurim nahedoo saranghae

Tsunderee Mar 11 2022 12:59 am I watch this due of NamJoo Hyuk, he is one of my fav actor but I'm also interested in the story. It's funny because if Yu-jin courted Hae-doo when his previous crush is Yu-rim, it would'nt be good. i love also all the casts. I love also seeing Choi Hyun wook cute acting. Yu- jin is probably under the impression that he simply sees Hae-dio as a little sister and a friend He is a reporter with a lot on his plans, so courting Hae-doo was never a priority for him. It's all about motivation and setting a goal. The one is an impoverished undergrad who appears to have been abandoned by his parent, while the other is wealthy and intelligent. They see each other in all stages of life, which inspires some to desire to achieve their goals, while others are motivated by a lack of living. LOVE Romance is the least of their concerns but they are aware of it. They don't feel love or romance but they do feel inspiration. They wil laugh it someday such situations once they have grown up and become professionals with their fanilies. Wishing that they would eventually see each other and be reunited with their families.

superbeomgyu Mar 10 2022 2:44 am I've watched hundreds of kdramas. But this one is on to be on my top favorite. I really love the storyline, the script, and kim tae ri and nam joo hyuk is so fitting for the lead role. the supporting casts are great as well!

I'm so excited on how's the drama gonna end. who's minchae father and why its not yejin? :(

Yani Mar 09 2022 6:07 pm I wonder who's the father of Kim Min-Chae. ?

Ifeoluwa Adegoke Mar 09 2022 11:20 am I love this movie. It is very intresting. Filled with great actors and acctreses

Tina Mar 09 2022 10:59 am The chemistry is so good

Ant Mar 09 2022 6:03 am You know the story is worth to watch when you realise watching it on weekdays more than once. As at today we don't know whether both of them in love because no confession yet. Yi jin probably treat Hee Do like a sister just like he treat Yu rim . Not forgetting Yi jin has very popular Among girls in the past.

Ant Mar 09 2022 5:23 am You know the story is good when you realise you watching it again and again during weekdays ....do addictive.

CH Mar 09 2022 5:18 am i freaking love this drama! and i love both of the leads :)

Prêt ? Allez. Theory ! Mar 09 2022 4:28 am Baek Yi Jin is a reporter and he seems to go in the same direction as Hee Do's mom. I feel like Baek Yi Jin will need to choose betweem his work and his love/friendship with Hee Do at some point. This is why they are not together in the future, in my opinion. Probably he will hurt Hee Do (and himself) just as Hee Do's mom did hurt the coach. (Just a theory. What do you guys think?)

googleMe Mar 08 2022 8:17 pm For me, Back Yi Jin is not husband of Na Hee Do coz her daughter has Kim surname.

Dleorm Mar 08 2022 7:52 pm It’s my first time commenting here after all the dramas i’ve watched, but i just want the people to know that even though this kdrama is not finished yet, i recommend it all the way! 11/10 cos it’s not a cliche and the story is realistic. Gotta love the cinematography of this drama. Kim tae ri’s acting is superb!! I’ve been watching korean dramas since 2008; this drama will be on my top 5 if the drama ends well! I hope so! If you start to watch this drama, you’ll be having all the feels you want. I love every scene of it! ❤️❤️???

Mimi Mar 08 2022 3:35 pm I need more dramas like this

JJaySnwo Mar 08 2022 12:35 pm Refreshing plot and the acting is brilliant! I'm hooked. My only regret is not waiting for the whole series to come out before binge watching.

Rocky Mar 08 2022 6:44 am Please don't make it a Start Up v. 2.0

Khouloud Mar 08 2022 5:27 am i just wish that heedoo and yejin end together i dont want them to split the drama is amazing ive never watched taeri dramas but ill start from now i watched it because of her ..she is amazing

Tina Mar 07 2022 6:41 pm Kim Tae Ri's acting is daebak

karen Mar 07 2022 4:27 pm such a twist plot. such an interesting drama. loving hee do and yi jin.

TFTW Mar 07 2022 3:28 pm From the drama we can see how heedo loves and supports her daughter so I really don't know why they are not close which makes me wonder if Kim min chae is really her daughter. Also did you see how she rudely asked about her dad as if they're not close as well. At this point if yijin is her dad, I would be disappointed because they don't seem close as a family.

Kalsang dolkar Mar 07 2022 1:20 pm I just love all about this drama specially character of Na hee do and Back Yi Jin’s , the both actor and actress stand out in this drama, this drama brings me lot of emotions and feelings which I have felt through watching the drama, thank you for this drama , tsa rang nye

Baekdo Mar 07 2022 11:48 am Can we fast forward to the age 25 and 21, I want them to date already. These two have immense chemistry. I need them in a RomCom

Princess Mar 07 2022 6:19 am Congratulations 2521 team on hitting 10% ratings. Well deserved

Nathalie Mar 07 2022 5:48 am I cried so hard in EP 7. This drama is so full of emotion, the story just draws you in almost as if you're part of everything. Like I was literally shouting and rooting for na heedo during the competition as if it was real, lol, and then when everyone turned against her, I cried, I cried when the strangers congratulated her. Damn, these drama makes me so emotional.

Kikiki Mar 07 2022 5:46 am I just love how Kdrama could always open up a new world and new knowledge for the viewers! Never knew about fencing and now I could watch the real fencing games/ tournament with real enthusiasm. Found out about this Korean fencer named Shin A Lam and she had a an iconic moment in 2012 a bit like Yurim and Heedo. I wonder if the producer got an inspiration from her?

milktbub Mar 07 2022 3:33 am why’s theres no adult baek yi jin ???

Kuuku Mar 07 2022 3:25 am This drama is so beautiful inside out. Watching Na Hee Do brings out a feeling in me I can't figure out. It makes me so happy, so full, so satisfied.

Every expression, every scene, every dialogue or thoughts are artistically woven. Like @Mas Gondrong wrote, Twenty-five Twenty-one is a master piece.

Nat Wee Mar 07 2022 3:07 am amazing acting by main and supporting casts, all so natural! great story flow as well! fighting^^

Frances Mar 07 2022 3:05 am This is so so good, can't remember the last time I enjoyed a kdrama

Bill Mar 07 2022 1:10 am Pls Help I'm Addicted With This Drama so Muchhh ㅠㅠㅠㅠ Love how Heedo has a big energy and spirit and Yijin who always support her. Can't wait to see their relationship developing, and for sure can't wait for their first kiss scene :D

Mas Gondrong Mar 07 2022 1:02 am Why i am so addicted to this drama. I always get bored while watching dramas, but not with this. this is a masterpiece, hope this drama has a epic ending.

Greeting from Mas Gondrong to all who watching this drama

hu Mar 07 2022 12:10 am heedo is catchin feelings., she fell for him first but he'll fall harder soon ;) can't wait for their relationship arc. i know that this injeolmi misunderstanding will be addressed in the next ep for sure, given yijin's personality. then our gang will be complete and we will have friendship moments soon yey :)

Namdosanwife Mar 06 2022 11:07 pm The 2nd hand embarrassment I got in the end of ep8

Heyarnold Mar 06 2022 9:25 pm I am really loving this show, all the actors emotions are quite convincing. I spread only positivity for all of you. Nam Joo-Hyuk, keep fighting, love your character, great job!

kdramafan Mar 06 2022 6:47 pm Addicted to this drama so much. In love with the character of Nae Do and Yi Jin, as well as the writing and character development. The love line is particularly brilliant in its pace and subtlety. It is so painfully sweet how Yi Jin seems to already know that love is where they're headed, except he needs to wait for her to grow up a little more and be an adult. I feel that him holding back--those tiny moments -- those are the most heart fluttering moments for me. That restaurant scene when 2 week-boyfriend (btw great cameo Choi Tae Joon!) went to the bathroom, and Nae Do frankly confesses to Yi Jin that her heart skipped a beat when she saw his back, and Then Yi Jin stops, pauses for a moment but doesn't raise his eyes and gently asks her "Why?" - Omg I keep replaying that brief moment. He already knows and he just needs to be patient while waiting for her to grow up and realize he's about to be her first love. Aaarghh. Okay I Have One Rant Though. I think the casting of Older Nae Do is just so Off! She doesn't look anything like Kim Taeri, and sorry but her acting is so blah! Her face is so stiff. Everytime she's on in the present timeline as Old Nae Do, I just check out, she's so miscast in my opinion. That's the only flaw for me in this series. Everything else, plot, fencing action, glory journey, life insights--Love Love Love.

MUST WATCH!!! Mar 06 2022 6:23 pm just finished ep 8 and omg can't wait until next week. love everything about the show so far, the plot, the cast, the cinematography. Kim Tae Ri is def one of the best actresses w/i her generation rn, her acting was so natural and she developed her emotions so well. Have nothing more to say about Nam Joo Huyk, amazing as usual. Personally I just really love Hee Do's development in the show and she def stood out more to me compared to Yi Jin, always looking forward to their scenes tgt tho, Cute! Love the supporting casts also, they're all amazing actors/actresses. And for the plot, always keep me interested! I feel the reply series vibe, but with a twist of more curiosity, can't just guess how it's gonna end. Hopefully not SE tho, imma cry if it's SE. TVN as always, never let me down on their shows!!!! -rosie-

Vee Mar 06 2022 5:37 pm I really love the cinematography. It's very beautiful. Also the casting for this is perfect couldn't have asked for a better Na heedo. Kim Taeri is amazing

Bona Mar 06 2022 5:33 pm I guess bona really nailed her character because yurim irritates me and I don't understand why some people still root for her and say her feelings are valid. Yes you're poor and miserable but it's that enough reason to be shitty towards a colleague? Yurim literally has the most supportive parents and friends as well so why acting like she's under pressure? Na heedo on the other hand has no one except yijin and coach. Yurim is just immature and pathetic, the writer should not bother to redeem her character because that ship has sailed for me. I want yurim very far from my girl Na heedo or I'll throw hands, like how many times has hee do cried because of that girl. Gosh

Yumi Mar 06 2022 4:24 pm This drama is wayyyyy too good. I just finished the 8th episoside and I'm not sure how I'll go about my entire week now. Back yi jin and Na hee do have my heart <3 can't wait for the next weekend!!!!!!!

w5w1 Mar 06 2022 2:53 pm i hate her mom so much. that scene in the beginning actually turned me off from the whole episode. how does her daughter read her goddamn diary and still side with her grandma? sheesh

Kim Mar 06 2022 2:27 pm Why did yurim have to run away, now heedo thinks yijin is injeolmi. Hope they don't drag this on for long

Talha Mar 06 2022 2:02 pm This show is going to drive me crazy. I'm hooked. Love Ji-Woong's comedic scenes!

Kim Mar 06 2022 1:35 pm Hooked is an understatement. If you haven't started this drama, what are you waiting for? 100000/10

John Mar 06 2022 12:36 pm Who is voting this down??

This is a brilliant drama - top-notch acting, script, direction. Come on people!

meg Mar 06 2022 12:13 pm why is the current user rating so low? this drama is so good. its written amazingly and the acting is great. i look forward to every weekend

vil Mar 06 2022 11:49 am This drama is so good! I don't understand why Ko Yurim gets so much hate, I actually like her. She doesn't do anything bad and just trying to do her best, I kinda understand where she comes.

There's no unlikeable character in this drama, everyone tried their best to achieve their dream with their own background story. Everyone deserves to be happy.

Jin Mar 06 2022 11:38 am but can we just appreciate Seo Jae-Hee's (Na Hee do's mom) work? That's straight out 90's fashion and makeup! I literally thought she time travelled! She's the one with the most accurate representation of that time. and I also thought she's a veteran actress she's also slayin'! The casting of this drama's yeah literally chef's kiss! Thank you writer Kwon Do-Eun and Director Jung Ji-Hyun! You both deserve a Daesang!!!

Diya Mar 06 2022 11:19 am I am getting too attached with this drama. It points out a lot of aspects in life. I cried so hard in Episode 7. Kim Taeri is such a brilliant actress. Baek Yijin is now my standard haha

I love the friendship between jiwoong & seungwan. I love all the soundtracks too! And the cinematography & well edited of every clips in this drama. Sometimes I feel like watching a clip from a movie. Bona is a good actress too, people hated her character meaning she delivered it well.

Aaaahhh so much more that I want to write because this drama is a masterpiece. The casts, storyline, scripts, cinematic, ost - perfect package ?

Na hee do Mar 06 2022 7:36 am Baek yi jin is not Kim min chae's father, imo when Kim minchae saw baek yi Jin's photo, halmeoni could have said 'thats your dad's but she didn't. If it later gets revealed that baek yi jin is her dad, then that scene makes no sense. Literally

Baek yijin Mar 06 2022 7:31 am I hate yurim so much ughh

Mina Mar 06 2022 6:34 am My fondness to this series keeps increasing after watching few episodes that the storyline is much interesting and hooks me up. I love all casts especially Yu Jin, Heedo and ye rim. There are various kinds of love in this series in which are so perfectly communicated to audiences. Very good Kdrama. 10/10

April Joy Bacani Mar 06 2022 3:28 am I need part 7 right nowwww. OMG, I'm so inlove with this show ❤️❤️❤️

sesu Mar 05 2022 7:40 pm After watching episode 7, I think I am sure that hee do actually is not married yet. This is because in the present when heedo gives minchae the present that her dad gives to her, their conversation doesn't seem like a wife talking about her husband to their daughter. It's more like she was given the responsibility and taking care of her on behalf of someone else. Well... it's kind of weird for a child at her age to never be in her mom's room at her grandma's house. It's weirder for her to not know about her mom at all. Idk, maybe min chae mom might not be hee do. It could be someone else, maybe yurim or seung wan. But yeah, I may be wrong.

Laura Mar 05 2022 2:33 pm Oh writer nim, what plot twist are you going to make in the end . Well its obvious even in plot says that they become lovers at 21, but atleast make them still friends if Hee-Do has married new character Kim. So her husband is a one working over seas. We feel that can be yejin.no way a child cant identify yhe pics of her dad.Actually as knetz say I would rather love a lifelong friendship rather thsn loosing such a precious person over a break up forever

Laura Mar 05 2022 2:27 pm Taeri is probably the most talented young actress right now. Her acting ,appearance everything only shows heedo and even her tone is like that. If you watch her previous works you could feel it,usually most actors tone is very little get changed with character .But her its so different

Baek yijin Mar 05 2022 2:20 pm Someone said Baek yi change his name and got plastic surgery to escape the creditors that's why his daughter didn't recognize him in the photo. Lmao. The theories are killing me

Kim Taeri Mar 05 2022 2:07 pm Kim Taeri is such a brilliant actress, i don't think anyone else could potrayed na hee do better. I see her bagging all the awards. Also I want her with park bo gum next

Pia Mar 05 2022 1:41 pm So these two aren't going to be endgame after going through so much together? Is the writer a sadist?

Misshibal Mar 05 2022 12:11 pm Love this drama so much Cant wait for eps 8.. and im so curious about who dan eun...

Leahcl Mar 05 2022 11:16 am Me looking who Daeun is!! Just watched the latest ep. hahaha that's all bye.

BaekDo Mar 05 2022 10:50 am What a brilliant drama so far. Today episode was so heartbreaking, powerful, beautiful, funny also. Cant wait for the next episode. I am a fan of kim tae ri, from mr. sunshine, little forest, space sweeper. She is indeed the best.

naheedo Mar 05 2022 10:18 am I Just Watched The EP Today And What A Cliffhanger??? Who's That Da-Eun

And i'm not ready for their breaking point yet :((

Na Hee Do fan Mar 05 2022 5:56 am This drama is beautiful and refreshing. I never expected to be drawn to this because I wasn't a fan of the main actors but 'Lo and behold', this drama is a surprise! I never knew I could love a Kdrama this much. Now, I am a major fan of Kim Tae Ri because she's just purely great. I am even currently watching Mr. Sunshine, which is also a masterpiece by the way, while waiting for the 2521 episodes. Overall, this drama is great and is highly recommended!

Baek yijin Mar 05 2022 1:23 am Deserves more ratings, at least 20%

cjoyce17 Mar 04 2022 11:39 pm I always watched dramas that are already finished so I don't know it is hard to wait for new episodes to air. Actually I only watched this because I don't know what to watch and because I love Sejeongs cover of the song Twenty Five Twenty One lol. Anyway I fell in love with Taeri from the first episode and I was not expecting that chemistry between her and Joohyuk. I also love Heedos journey towards her dream and love that the writer didn't make Heedo lose on her matches for the sake of drama. I mean so far. I am just happy to have found this drama

Judy Mar 04 2022 5:24 pm My comfort drama. I'm in love with the storyline and the chemistry is just wow

Mina Mar 04 2022 5:01 pm The guy that plays moon ji Woong looks a bit like Cha Eun Woo, no???

riderinjeolmi Mar 04 2022 4:23 am Read a comment below that he/she feel bad that the ratings is low. Want to tell everyone that the drama is really doing well both in domestic and international viewership. For the local ratings, it's already peaking at 11% with an average of almost 10% which can be considered a hit already for a cable drama (2521 is being broadcasted by tvN which is a cable and not a public broadcast channel). The hype is really there :) And yes, I agree. It deserve all the recognition because it's been a while since I've watched a drama that is truly well-made with very lovable characters.

2125 Mar 04 2022 2:56 am Just watch it for the first time, now i have to wait eps 7 cannot wait!

I love this drama, its same tone as reply 1998. But i would say i prefer this story, and the cast was great esp kim tae ri, she is great! I know its too early but if they dont F up this pace and story. I would put this drama to be one of the best drama in 2022

manyage Mar 03 2022 10:18 pm Kim taeri just never fails me and that’s the truth

Baekdo Mar 03 2022 5:28 pm Kim Taeri and Nam Joo hyuk have such a good chemistry, didn't see it coming. Definitely My favorite kdrama couple

Serafina Mar 03 2022 11:33 am This is a Seriously wonderful kdrama as there are none of the cringe-worthy dialogues or dead-pan expressions of some kdrama 'idols' turned actors and actresses. Kim Tae-ri is indeed a rising star in her own rights. She has a natural look so viewers are not distracted from her great acting chops. The male lead is also improving and maturing as a young actor. Watched his earlier dramas like 'Bride of Haebaek'. Has really improved many notches, and such a bonus as he looks great too. Hopefully something great will blossom between Hee-do & Yi-jin beyond their deep friendship.

Rocky Mar 03 2022 11:32 am I hope there would be a character development for Bona

denome Mar 02 2022 6:56 pm is it only recently when they started making idols on their way out of dancing and singing to play secondary role, like bona here or yuri at forecasting weather. something about their face, obviously aware by casting director, make them specially unlikable perfect to play antagonists...poor girls.

Claudia Mar 02 2022 11:31 am This KDrama is amazing, the actors are all so good especially Nam Joo Hyuk and Kim Tae Ri. I hope to see Back Yi Jin ❤ Na Hee Do back together again.I think the daughter of Na Hee Do is the also the daughter of Back Yi Jin :)

Twenty-five-Twenty-one Mar 01 2022 8:40 pm This is a really good kdrama

Rui Mar 01 2022 9:28 am this movie remind me a lot of my childhood. Growing up in the 90's practicing Kendo from a young age having that competitive drive like Hee Do.

Out of all the dramas that are currently running at the moment this tops my list. I look forward to each episode every week. I am not sure why this has such low ratings and definitely deserves much more praise. I think the view ratings speak for themselves as they are much higher than the other dramas that are currently airing.

If you grew up in the 90's playing sports while growing up this would be the perfect drama for you. It just feels so nostalgic and to be able to relive it and experience watching in from another perspective is beautiful.

Twenty five twenty one Mar 01 2022 7:46 am I don't know how this drama gets an 82 rating. It's just so good. Every episode is fresh, funny, and emotional. The execution of the actors, the directors and the staff is really commendable. This to me gets a 93-95 so far. Looking forward to seeing the next episodes ❤️.

yessie Mar 01 2022 7:04 am @Talha not yet, maybe for the next week :D

nini Mar 01 2022 4:46 am 10/10 totally recommended. I wish they make more dramas like this, not those with overdone cliche storylines that you drop after 2 eps.

Meow Feb 28 2022 8:53 pm I literally scream when Heedo introduced his boyfriend and laugh out loud after finding out they were just dating for three days! Then broke up after 2 weeks! Hahaha I love this drama omg! I can't wait to know what will happen between them and who is Heedo's husband in the present ?❤

Tea Feb 28 2022 1:49 pm I love this drama because has a unique story. We know that such a time travel to the past is something cliché, but for this drama not cliché at all. Bringing up about situation of IMF also about fencing that not all people have interest on it before. So that's unique. And then the main characters of this drama have a strong bond, I love their friendship and how they find the way to support each other.

Ginjol Feb 28 2022 12:51 pm This drama has everything 10/10

Cielo Feb 28 2022 8:05 am I don't really know how to gain points in fencing...but i am interested now because of this series...waiting for another episode (7) ❤️

Joyce Feb 28 2022 6:21 am Love it.. I didn't expect it will be so good

Mina Feb 28 2022 6:20 am I really like this series that the plot related to real lives in which it reflects during IMF. Besides I learnt about fencing first time from this series, so fun and interesting. The main 2 leads, they are good at acting ; so natural and down to earth roles. Even I’m adult not early 20 or teens but this series can draw my interest. Hopefully, at the end Ye Jin would be a father to Hae do’s daughter otherwise I will be heartbroken 555. I’m rooting this couple.

Kimberly Feb 28 2022 4:11 am I wil be looking forward to Kim Tae-Ri future projects, she's such a good actress.

Frances Feb 28 2022 3:58 am All I can think about now is Allez, Touche, Prelez, Lmao. I didn't even know about fencing as a sport before this drama but now I'm intrigued. I'm Loving this drama so much. 10000/10.

Talha Feb 28 2022 2:15 am why has the ost from the end of ep 4 not been released :(

Xoxo Feb 28 2022 12:22 am Storyline 10 Acting from both actors 10 Connection from both actors 10 Supporting actors 10 Setting, old time 10

Petfect!!

Ryujin Feb 27 2022 11:52 pm Their love is too great for me. Kim tae ri always choose this kind of drama. They show us their love through eye contact and body language. No kissing and hot scene but I felt enough watching their love.

Rondo Feb 27 2022 11:37 pm Wow this drama is so so so good! Inspiring and refreshing. What I need to comfort me after a hard week at work. Kim Tae-ri is a really good actress and portrays Na Hee Do role very well! Her acting is very realistic and natural, she is perfect for this role plus she is so beautiful. Nam Joo Hyuk is also a very good actor and portrays Yijin role very well. Nothing but praises for this drama. It's something I look forward to every weekend.

Talha Feb 27 2022 11:17 pm I really hope we get to see more of Moon Ji Woong and Ji Seung Wan. I love their characters.

Ten Feb 27 2022 6:12 pm I didn't have high hopes for this drama, but I am so happy that I decided to try it. This is such a refreshing korean drama. It's been so long since I've found a drama where I want to sit and watch all day. It's a slice of life with such a cute romance line which isn't overbearing because of how it starts off as a friendship. I love the theme and the flashbacks. It's been so long since something like this caught my eye. It's so good. Please try it out!

amegurashi Feb 27 2022 1:51 pm @ENC I think it was French

Abhie Feb 27 2022 12:51 pm Loving it so far. Will make you want to go the next episode ?

NJH is way better here than start up..

Hee Do has a super acting ?

Mi Feb 27 2022 12:34 pm So from the preview of next ep (ep 7), it looks like Hee Do will be lost to Yu Rim. What you all think?

Erika Song Feb 27 2022 11:13 am ★ Twenty Five Twenty One - Episode 5 and 6 - My thoughts★

Y'all, I love love love episodes 5 and 6 so much! Episode 5 made me so emotional and I just want to keep rooting on the happiness of both of them and their dreams—Hee Do finally being a national fencing team player and Yi Jin's dream to reunite his family and just to get back up on life. I really lost it when I saw Yi Jin on the payphone kept on playing Hee Do's voice message and when he reached her hand and they both run together even apart! Yes, that's the beauty of this drama! Two people who share grief, root for one another, and want to seek happiness together—tightly holding hands while running even though they are apart! They are so far away and yet, they still bring comfort to each other. What a powerful message of their special friendship. No matter what happens to both of them in the future, I will really treasure episode 5 and I believe both of the characters as well!

Now, episode 6, I think this is more upbeat and I loved how it emphasized them trying to move forward on their dreams and also an episode where both Yi Jin and Hee Do grow up and climbed up. With Hee Do trying to have a boyfriend and her becoming Yu Rim's rival, on the other hand, Yi Jin is starting his career as a trainee reporter.

We also see more of Hee Do's hard work coming into fruition and just by looking at her, you really see how happy she is and it makes you become inspired as well. I also want to add that Hee Do is so pretty when her eyes glisten, when she smiles and when she talks about fencing. Now, I've come to fully understand why Yi Jin misses her and why he finds comfort in her.

I know, some might want to keep the romantic interests going years later, I get that, but some beautiful relationships are rooted in friendship and emotional support to one another. I just knew they already have special spots in their hearts, they will not deny that because they knew it as well. ♥

I'm so rooting for both of you, Hee Do and Yi Jin! Fighting and continue fighting for your dreams!

kdramafan Feb 27 2022 11:08 am Just finished ep6 and can I just say that I am so impressed by the dynamics between Kim Taeri and Bona whenever they have scenes together. They're So Good!!! I can really feel the tension between them. Good job, you two!! ???

kdramafan Feb 27 2022 11:05 am Finished ep6 so far and can I just say thay I'm so impressed by the dynamics between Kim Taeri and Bona whenever they have scenes together. I really feel the tension in their scenes. Great job, the two of you!! ???

heedorim Feb 27 2022 10:20 am can i know how to order one baek yijin? kinda need one supporter like him in my life

ENC Feb 27 2022 10:18 am Anyone knows what language Hee Do spoke when she talked to the Japanese fencer that got her saber?

diya Feb 27 2022 10:17 am I am so in love with the character development in this drama. They are not only trying to be better and work hard for their dream but they making us the viewer motivated to be succesful fool. The character like Heedo, Yoorim & Yijin shown us that dont easily give up. I cried, laughed throughout watching this. The cinematography, the soundtracks, the scripts are all being done well. Waiting for Ep 7 next week ❤️

aster Feb 27 2022 5:24 am Way Better Than I Thought It Would Be!! i love the plot, the characters, and the humour so far. it's entertaining, inspiring, but at times also heart wrenching... looking forward to seeing how the story unfold!

8iwa Feb 27 2022 4:15 am this is so wonderful drama. but nam joo hyuk story is still less to be told so far.

Kim Feb 27 2022 3:41 am Nam Joo hyuk is my new obsession Man is so fine

Hi Feb 27 2022 12:58 am Y'all so hypocrite with kim taeri acting when the nam joo hyuk who always got criticism in acting is in here.. double standard much

Ryujin Feb 26 2022 11:49 pm After watching episode 5, I just want to say Kim tae RI and Nam Jo Hyuk made the right decision to cast in this drama. Secretly rooting for each other during a hard time is something more precious and more meaningful. This drama teaches youth how to keep working hard even though time and luck are not on their side.

Laura Feb 26 2022 11:44 pm I was most impressed regarding Nam Ji Hyuk in this role . Honestly his character is really hard. I m relieved atleast he is living in present according to 4th episode . It seems like daughter is unrelated to him till now. Well sometimes not all lovers end up in marriage . But their relationship is an ideal relationship we all want. Having trust towards eachother ,mutual understanding , growing affection ,rooting for each other . But I hope even in present they are rooting for eachother maybe as friends , they are with good partners

Laura Feb 26 2022 11:38 pm No actress can protray Hee DO than Taeri, honestly I dont like when 30+ actors act as highschool students ,its always visible their age us visible ,behaviour is also not like a teenager . But ffor Taeri irs the opposite if I didnt came across her previous work I will think she is really 18, she looks so younger ,her acting is so natural ,we only see a passionate ,playful , motivated teenager with tomboy child look too.

Spring Feb 26 2022 9:44 pm I dont find screaming after points scoring cringey ,i actually love it how kim tae ri does it as it looks cool but i do find it weird why they scream so loud after every point and its very loud, i am sure director took it from real life so i am curious why it happens in fencing, havent seen such strong reactions in other sports like tennis etc.

So i speculated min chae came to live with heedo 2-3 years ago and i was wrong seeing ep 5 , as we see kid min chae walking upto mom.

The humor in this episode at times reminded of racket boys and then i remembered ji woong was also in racket boys, i liked rb humor but later i got bored so i didnt like 2521 turning similar to rb and its good that in ep 5 after middle part rb like humor, drama again changed its tone and became serious with yi jin and hee do scenes.

Ep 5 also gave lil but startup vibes . Also the music in heedo duel scenes was a variation of tune from startup when dalmi etc would set out on tasks. I hate that music cause it reminds of SU and i dont have good memories with startup. Its almost like ptsd and desker and su music tunes feel lile triggers lol.

I really want yijins brothers makeup to be toned down and someone really should lighten up his lipstick like why he needs such lip tint. Also namjuhyuks lipstick should also be reduced,these lipcolors on boys are standing out a lot and not going with drama's vibe.

Kim tae ri really shows 1 thing that you dont need botox ,fillers( those she prolly has it done on her) or super costly designer clothes to be noticed and carve a place. In her shyttiest sweat pants she stands out more than any other actress could for the person who she is. I really love her dishevelled hair look during matches it gives a very natural feel,in addition during matches kim tae ri always gives a very determined look which looks very genuine and motivating, like she is living that moment.

No matter how well hee do was written it is with kim tae ris intentional or unintentional mannerisms,body language,body movements and gestures that make hee do look a deep and very unique character, someone else playing it would have made it look shallow and maybe looks conscious. I like when shes cheerful how she hops around , tilts her head ,sways her arms; i like how she turnslooks passive agressive towards mom and yu rim; and really like her disappointed face, sad face, crying face expressions. Heedo is always screaming in her normal moments but when she is sad and crying she goes very silent except for when she bawled while returning book. Any other actress in those sad scenes might be scream crying and hyperventillating like having an onsetting asthama attack.

Really like coach and her acting and first time i like the suburban accent,shes doing it so attractively. My fav seen was when both coach and hee dance in alley, coolest by far.

Lily Feb 26 2022 8:29 pm People who said that female lead is annoying probably didn't know the fact that Na Hee Do's character is a 18 years old girl which full of passion and sometimes act quick without thinking. It's normal for a teenager to act aggressive and impulsive. The actress (Kim Tae Ri) is a respectable famous actress in South Korea. Most Korean know her and all of her projects are guaranteed so good. She's known as a blue chip in SK. Her acting is incredible. She's 32 years old but she's able to perfectly portray a 18 years old character. For me, she nailed Na Hee Do's 18 yo character. Later we will see her as the 21 yo Na Hee Do. I believe she will portray it really well too.

I want to give big appreciation for this drama. Love everything about it. The story is heartwarming, love how Na Hee Do and Back Yi Jin support each other, make each other stronger during tough times. Love how Na Hee Do is so passionate about fencing and she works hard to achieve her goal which is becoming the national athlete. Somehow watching this drama is encouraging me to try as hard as Na Hee Do too in life. What a great story and full of encouragement.

Anyway, I watched episode 5 and the phone scene is literally one of my favorite scene. It's making me in tears. Hee Do and Yi Jin support to each other is amazing, the way they get stronger after hearing each other voices. I hope they will meet soon. Looking forward to every episodes, this drama is highly recommended!!

woo Feb 26 2022 8:26 pm i cried so hard on the last ep... it comforted me so muchh. props to the writer for delivering such lines..every ep never fails to impress

heedo fighting! Feb 26 2022 8:24 pm they will meet 6months after...ughhh this drama TT-TT those little details is a plus too..so much love for heedo.. she is inspiring me so much these days and i feel so ashamed i haven't achieved or worked hard like her.

lullaby Feb 26 2022 8:11 pm i love this drama <3!

Hanbins Feb 26 2022 7:53 pm @diz i think u should watch fencing match, everybody screaming after make a point, they do it on purpose btw. For cheerup theirself and to make scare the opponent. It's a normal thing fyi

blue Feb 26 2022 7:23 pm @Diz have you not watched any sports match in your life literally almost all of them shout to express their happiness and keep their spirit going..

Diz Feb 26 2022 6:17 pm Good but her screaming during her matches are cringy af. I get she's all about winning but she sounds like a sociopath

Jennie Feb 26 2022 4:28 pm I'm obsessed with this drama omg. Actually, I've been looking forward to this ever since the casting got confirmed, I just knew the acting, visual and chemistry would be top tier and honestly it exceeded my expectations. It's been so long I've watched an ongoing drama, I usually just wait and binge but omg I just couldn't help it I had to start it immediately, now waiting every week feels like torture. I definitely agree with the comment below, this drama is definitely going to be one of the best dramas this year, everything, from the acting, directing, plot, cinematography and chemistry is perfect. Last episode was so so beautiful, I can't wait for more. Hope the cast and crew win lots of awards. Fighting 2521

Inoya Feb 26 2022 3:32 pm Became my favorite drama ?

Talha Feb 26 2022 1:48 pm this episode was <3

Na hee do Feb 26 2022 1:18 pm Nam Joo hyuk's acting is so good and he has such a good eye for dramas, there's literally no skip/miss in his filmography

KBJ Feb 26 2022 12:36 pm I think it reminds me with Weightlifting Fairy Kim Bok Joo drama (athletes & school life background), but in more serious vibes..

Erika Song Feb 26 2022 11:04 am I think this episode will be forever precious in my heart. The fact that they provide comfort to another and their support for each other is still being hold in their hearts no matter how much time has passed and no matter how far away they are, that's what has got into me. I lost it and I really cried when I saw Baek Yi Jin kept on replaying Hee Do's message and when he grab Hee Do's hand and they run together even though that was just symbolic. I think today's episode is realistic compared to previous ones where it has been really dreamy. Today's episode is bittersweet. No giggles, but just my heart goes to those people who keeps on fighting and dreaming and providing comfort to one another.

I also wanted to talk to Yi Jin to stop blaming himself and to stop saying he was a coward for running away, no matter what a person wants to runaway, he will not do it unless the problem is not that big.

Yi-jin, you are a good brother. Like, Hee do, I will keep on rooting for you!

Amani S Feb 26 2022 9:14 am After watching today's ep no. 5 my eyes swollen from crying. I really wanted Hee Do & Yi Jin to be together..... I can't wait for upcoming episodes. I don't want it end in sad......

kim minchae Feb 26 2022 5:26 am Na heedo [born: 1980][age on year 1998: 18][age on year 2021: 41] Baek yijin [born: 1976] [age at 1998: 22] [age on year 2021: 45] Kim minchae [born: 2006] [age at 2021: 15]

heedo and yijin feel in love at the age of 21 and 25 on the year 2001. Na heedo`s age when minchae was born was 26 year old. Baek Yijin`s age when minchae was born was 30 year old.

hope this help with your theories :)

nananannad Feb 26 2022 2:55 am i dont think yi jin die. Remember Hee Do's mom said she saw YJ few days ago (older time scene)

Laura Feb 26 2022 1:13 am I hope this is not a melodrama that boy has died, surname of her daughter is different from him,I hope her daughter is adopted daughter

Pool Feb 25 2022 11:32 pm I wouldnt be surprised if we are told minchae isnt hee daughter at all and came to live with hee doo just 2-3 years ago , that could be why she is so salty about her life,ballet etc.

Eliz Feb 25 2022 7:58 pm @Patty I think Min Chae isn't Yi Jin and Hee Do's daughter. Because if they were separated in 2001 when Hee Do's pregnant, Min Chae should be older (19 or 20). However, it seems she is still in junior high school.

In 2001, Hee Do and Yi Jin were separated in good terms. Finally time gave opportunity for Yi Jin to pursue his dream as reporter (he was in broadcast club right?). They were dating maybe just for a brief moment when Hee Do finished her high school. Then, they separated to pursue their own dreams, which was what they promise each other in the beginning of their friendship.

A. A. Ron Feb 25 2022 12:25 pm @sadgirl he could just be away on a job or something ? I don’t think he has died that would be way to sad. I’m 99% sure he is the father but it’s a Kdrama so we don’t know what plot twist are ahead ?

SadGirl Feb 25 2022 11:50 am After watching the last episode… Ep. 4 I have this sense of emptiness, I feel like something heartbreaking will happen, it is whether hee-do and yi-jin did not end up together(most probably), or Yi-jin died 3 years after which is when he is (25), and that’s how their story together ended. Sensing this made me feel extremely sad, but I could see how this drama could be heartbreaking and heartwarming at the same time. It will bring so much emotions and memories so I think we should definitely prepare ourselves.

Blackie Feb 25 2022 11:23 am Nam Joo-Hyuk, you're acting, facial expressions are so convincing. You are doing a fabulous job! Continue your successful journey!

Patty Feb 25 2022 11:20 am 25-21 I think this was the age when BYJ and NHD were separated on 2001. - my first theory was that BYJ had gone abroad and died later on 2001 after ..maybe related with September 11. What NHD's mother said that she met BYJ last month is just meeting him at his grave.

- after watching ep.4 I though BYJ might be alive today but having no idea that he has a kid with NHD after they separated. NHD stop fencing because of her pregnant. Kim Min Chae knew the family's secret and realized how much her mother love her then choose to dance again. I hope the ending will be the scene that Kim Min Chae brings her parents together again by calling BYJ "Appa" (Dad).. then the secret revealed..

Eliz Feb 25 2022 9:49 am Adding to my previous comment. I think Yi Jin had to leave Hee Do because he was assigned to cover the Afghanistan war stories (2001). The title itself is 25, 21. It is 3 years from their first meeting (1998, when they both were 18 and 22)

Eliz Feb 25 2022 9:35 am Maybe Hee Do and Yi Jin are separated now because he is busy catching news as reporter. As for Min Chae, maybe she is really Hee Do's daughter with someone else who was already died.

gems Feb 25 2022 2:42 am yi-jin working on television company same as he-doo's mother.

skywalker93 Feb 25 2022 2:40 am hee-do's mother saw back yi-jin on television company, he's recruited as the mother said on the meeting (eps 4) "we need worker not from university". and its first time kim min-chae using her mom's room. fyi father and mother of yi-jin not using "back" on their name and his mom surename is kim.

Ella Feb 24 2022 11:45 am So far this is my favorite drama from 2022, I can hardly wait for episode 5 :)

sage Feb 24 2022 4:54 am saturday pls come fast!!! been repeating the first 4eps >.< obsessed w this drama!!

Ily Feb 23 2022 10:17 am I love this show so much!! Hope no sad endingg, i want to see them happy together with their kid

Ily Feb 23 2022 10:17 am I love this show so much!! <3

Talha Feb 23 2022 7:47 am @yessie, has the song not been released yet?

gpp jfd Feb 23 2022 4:36 am i hate yerim character so bad

karen Feb 22 2022 6:11 pm end of episode 4 reminds me why i fell in love with nam joo hyuk.

Na hee do Feb 22 2022 4:54 pm My theory is that baek yi jin is working at NASA, hee and Na hee do broke up. Heedo is married to someone else

Spring Feb 22 2022 1:43 pm Kim min chae could be ji seung wans daughter adopted by hee do and back yi jin i hope atleast he is alive cause it looks like ... oh well.

Kiki Feb 22 2022 1:13 pm My plot twist will be... Kim MinChae is Ko YuRim's daughter. Maybe YuRim died, but because HeeDo is her bestfriend she took care of her bestfriend's daughter and made her her own??? Farfetched, but who knows??

yessie Feb 22 2022 3:16 am @Talha, the song's title is 가보자 by Xydo. I think it will be the next soundtrack.

Nam Joo-hyuk's no.1 Fan Feb 22 2022 2:56 am I like this drama. First of all, I watched it because of actor Nam Joo-Hyuk. Now I love actress Kim Tae-ri too. The story is delightful and satisfactory. Hee Do knows what she wants and she can do it. This is very exciting. Yi Jin is a kind brother, lovely son and best friend. I love these characters.

Talha Feb 22 2022 12:20 am Hello! What was the song that was playing during the fencing scene of Hee-do and Yi-jin at the end of episode 4? I can't find it anywhere

noice Feb 21 2022 4:55 pm this show is so cute i luv luv the 90s aesthetics my computer nerd self kind of exploded when i saw the brick computer and the floppy disks (i even laughed at the scene when heedo's daughter didnt know what to do with it lol). taeri and yijin is cute together omg. bona looks gorgeous and intimidating (hoping for her character development). heedo and yurim are my fav girls of 2022. im enjoying this show a lot

Sadie Feb 21 2022 7:37 am @meou the song is The Solver by Shinhwa

meou Feb 21 2022 6:47 am Does anyone know the song that Heedo and Jiwoong danced to?

Lee kwangsoo's wife Feb 21 2022 4:37 am Lemme make a wild guess related to the title. I think it will the last time they were pursue happiness together, when Yijin at 25 yo and Heedo hit 21 yo.

16yo kid Feb 21 2022 2:29 am Twenty five Twenty one Is a Must Watch! I agree with someone who said that this drama is like Reply 1988's sister. This drama gets you hooked so fast because of its light and heartwarming story and characters. Its nice that its in a 90s setting and the characters have a really nice dynamic with each other. The first 2 episodes shows amazing script, cinematography, directing and its plot. I cant wait for more episodes. Waiting 2 episodes a week feels like a month of wanting to watch it.

2421 Feb 21 2022 1:16 am So heedo's daughter Saw Baek yijin's photo but didn't know who he was, meaning he's not her father. Also heedo's mum said she Saw yijin last mum and heedo immediately had like a shocked expression, this confirms that Na hee do and baek yi jin are not together in the present timeline. I'm totally disappointed. But I can't help but wonder who the father of Kim min chae is, why did yijin and heedo break up? Why haven't we seen heedo's husband or maybe she never got married and Kim minchae is adopted. There's a lot we still don't know, hoping for a plot twist and somehow heedo and yijin are together because I don't think I can handle it if they aren't.

wede Feb 21 2022 12:36 am unless there is a plot twist about hee-do's daughter (since her surname is Kim not Back), I would hazard a guess that Yu-Rim ends up with Ji-Woong and Yi-Jin ends up with Seung-Wan. Though of course it's too early to tell 4 episodes in - this drama could end up a classic if it keeps up the good work! And would be a cool meta joke if they have Red Velvet's Yeri and Wendy showing up somehow lol

first time writing a comment here Feb 20 2022 8:21 pm i've been watching kdramas for years now, and i will tell you this is a masterpiece, you can't help but fall in love with the ml and fl characters.. outstanding

Leo Feb 20 2022 8:06 pm Kind of drama where it's usually taken by idol turned actor especially Kim taeri's character, I almost lost count how many idol take this kind of role and I'm absolutely elated Kim taeri took this role, she totally nailed it. Kim taeri is one kind of actress that did complete transformation when she act, from expression, delivery lines to single detail of gesture she never fail to bring her character alive. I wish other project would ponder more throughly and pick the most suited actress/actor with quality for their project. I got enough with idol/popular actress or actor land on their role just because they're good looking or popular. I want more quality not eye candy

Heyarnold Feb 20 2022 7:39 pm Nam Joo-Hyuk I will always cheer for you, may you always be surrounded by positive vibes!

Sue Feb 20 2022 1:28 pm im surprised! when i first saw the trailer, i thought i wouldnt like it but the first 2 episodes got me hooked! im not a fan of the male lead and i never found him attractive but this drama really got me hooked! its been 11 years since i have been in highschool. this drama really bring me back to the good old days when i was still young, wild, and free. nothing to worry about besides school. so much good quotes and life lessons already in the first 4 episode. i am just hoping the male and female lead end up together. my prediction is that either the daughter is the male lead daughter OR the daughter is adopted.

Kie Feb 20 2022 11:34 am I think this drama is mixing from Reply 1988 X Fight for My Way! :))

Bill Feb 20 2022 10:23 am This drama is sooooo refreshing!!! From the plot, the story, the cinematography, the set, even the actor's acting is so good and it's really a perfect series to watch for weekend!! Especially Kim Taeri, i've been her fans since Little Forest and Mr. Sunshine, and as expected, her acting is so great too. She portrayed Na Heedo so well, a young girl with big spirit. Looking forward for her and Back Yijin's relationship to improve~~~

Sarah Feb 20 2022 8:43 am You guys has to watch this drama. Tae ri will gonna not disappoint you with her acting, she is really good actress. Nam Joo hyuk is a gorgeous too, this reminds me of reply 1988

Weronika Feb 20 2022 5:56 am You guys should watch it! Yes, it's good. It's like Reply 1988 younger sister. Hope this show wil be popular as it should in the future. Go and watch! :)))

YiDo Feb 20 2022 3:52 am Tae Ri unni and Joo Hyuk oppa really carrying the show. Ofc Tae ri is as excellent as always but I'm so glad I'm back to loving Joo Hyukies dramas. I need my #YiDo to win Best couple award 2022! ILY

Shsksh Feb 19 2022 8:56 pm Tbvh i don't have high expectation towards this drama at first. But after watching it, i was laughing so hard for 2 eps and this is actually great drama. It's light, refreshing, and youthful. Watching it really feels like healing to my brain. At some point it will be relatable and relevant to our lives as well. As i can say, as expected tvn! /Standing applause/

jajaja Feb 19 2022 8:45 pm new form of reply? i really wish that i could raid all of the episodes from tvn

Spring Feb 19 2022 6:48 pm Kim tae ri is very impressive in expressing all emotions specially sadness, disappointment etc. She has the ability to give micro expressions which right now in korean tv n drama industry only handful of actors, and that too in age groups from 38+ to 40+ and mainly males, do. Nam ju hyuk was also better in this episode compared to first 2 though at times you want him to be more animated. I seriously seriously dont like adult na hee do actresse's acting. No disrespect to her but she seems very shrieky ,yelling and out of place with an unconvincing dialogue delivery. Shes a successful musical actress so i am surprised why she is not fitting the role here. That cute classmate is also very cool. Go yu rim is okayish but looks pretty.

Milady Feb 19 2022 4:58 pm One of the best kdramas i’ve seen so far although we are only at episode 3. It just gets better and better! So looking forward for new episodes.

heedo fighting Feb 19 2022 2:12 pm literally stayed up to watch ep3 , and cried. i cant wait to see heedo slayin at the competition!

Steve Feb 19 2022 11:25 am Kim Tae-Ri is a joy to watch and she really shines in this drama. Bona not so much. Bona is not an actor - at least not yet. She has one expression and it's as if she is thinking about being somewhere other than the scene she is in. A good example is the scene towards the end of episode 3 when Hee-Do and Yu-Rim are getting scolded by their senior in the gym. You can see the anger, frustration and dejection in Kim Tae-Ri's face, but you can tell nothing by looking at Bona. Her characters talks about enduring, but her face is expressionless. The face and body are tools that good actors use to reveal their characters' motives and convey the meaning of the scene.

Belle Feb 19 2022 9:47 am I’m sorry, but the actress who played adult Na Heedo’s acting was bad, I don’t know it was bad or just weird, but it was too different from Kim Taeri in terms of acting and the way they talk

sf Feb 19 2022 9:13 am Na Hee-Do is too effusive and agitated. She can be too tiring for calm or introverted people like Ko Yu-Rim.

yijin Feb 19 2022 2:10 am Pleasee this is sooo goodd... I literally am struggling waiting for new episodess!!! I can't beleive 1 hour is soo fast while watching thisss!!!!

karen Feb 19 2022 12:58 am so far. so good. loving the leads

Sunshine Feb 18 2022 8:29 pm There was a line in ep 2 that was so true and hurt me instead of touching me. It was when yijin says to heedo " i miss those the worries i used to have it" . When i was a kid i faced a rough patch which was rough but not big deal , but i used to excessively worry about things to the point of nearly exploding my head,every lil thing would be a worry to m tho life was good , it was just that i focused on bad things like thats the universe like manipulative shtty people etc etc. Then few years later i actually actually hit a real rough patch and things were very hard that even back yijins worries seem like a joke to me ( they aren't a joke at all but just to give some perspective) it was so difficult; at that time i used to look back all the time at those years that i always thought were hard and i realized they were extremely easy and then i used to cry and cry and badly miss some of the worries that i used to bother so much about in past, they looked so much fun and ordinary small things to care about. I made it out of rough phase,things normalized and i gained success but that nostalgic feeling and that pain i used to feel recalling those worries never left me ,probably also because they became lessons for me to learn to be always grateful and happy.

I always thought its me who thinks this way , but when yijin said that it brought back flurry of memories and i felt happy that someone also thought like it and actually put those thoughts of mine and many others in words.

What i learnt from even cherishing those worries was always stay happy, be grateful, try to enjoy your life and never give in to worries and despair no matter how blocked your paths are or how hard the going is. There is always a thing darker then your current worries,be happy you are not facing an even dark thing.

AD Feb 17 2022 3:17 pm A masterpiece.. the story was so realistic in real life. Being young and being grown up. Diff. Age, diff. Struggles / diff. Dream and diff. Mindset. I felt all kinds of emotion already in just 2 episodes thats why i do feel sad and nervous already for its ending. I think this is how great this kdrama that im afraid for its ending already. Great acting for all the cast. Especially kim tae-ri and nam joo-hyuk.

Korean fan Feb 16 2022 8:52 pm I have a theory about Heedo and Yijin's future relationship (disclaimer: this is only my opinion). In ep. 1 Adult Heedo has a daughter named Kim Minchae. They may not be marrying each other since Heedo's daughter's surname is Kim, not Baek. Or Heedo's daughter might be adopted and used her daughter's biological parents's surname. I cant wait to watch next episodes and see how Baek Yijin and Na Heedo's relationship progress.

Cams Feb 16 2022 7:47 am Waaaaaaah this is so good! Nam Joo Hyuk & Kim Tae Ri's chemistry is just top notch! Can't wait for the next episodes ? I really loved the first OST, Starlight! ❤️

Meri Feb 16 2022 7:15 am I am watching. I am watching. Nice

huhu Feb 16 2022 4:51 am Im In Love With This Drama....everythinggg about it is so <3333 when the ost (25,21 by jaurim) played at ep2. I literally bawled my eyes out ㅠ.ㅠ

Flow Feb 16 2022 3:23 am Kim taeri stole the show, her acting is so good, but nam joo hyuk not really good but atleast his acting is more mature here than when he in start up drama, the plot is so entertain n not boring at all... thumbs up to 2521

Kim Feb 15 2022 11:41 pm I'm I the only one who finds it uncomfortable that they keep translating "Baek" to "Back"? I thought it was just the subtitles but even here on Asian wiki, Nam Joo hyuk's character name is also written as 'Back hee jin' like what's up with that?

What the actual ... Feb 15 2022 3:56 pm You are no longer a minor when you turn 18. Even if korean age is 1 year older she will be real 18 in 1 year so what is the issue here? I had a friend who used to fail every year and graduated from high school at 20 , so just cause she was in high school despite being an adult she could not date an elder guy?

Haesoo Feb 15 2022 11:39 am Even if na hee do is a minor it doesn't matter because they didn't start dating until they were 21 and 25 hence the title 'Twenty one Twenty five'.

Nm Feb 15 2022 10:51 am What do you think its a sad or happy ending? Based on the last name of Na hee do daughter its Kim not Baek... And its give me headache now

JJ Feb 15 2022 8:52 am @seri, are you a teenager? Because it's not a huge age gap, basically it's like a highschooler who has crush on college boy. She is actually an adult if we use international age, in my country 17 (18 in korea) is a college freshman. Plus don't worry the writer won't develop their relationship into romantic couple until she graduates from highschool.

Gia Feb 15 2022 4:33 am @seri Na hee do is 18, in my country 18 means you're an adult. They're just 4 yrs apart, I think it's fine.

i tell the truth Feb 15 2022 4:14 am I’m loving this drama so far because it’s so funny and entertaining but the female second lead (go yu rim) is so annoying and her acting is so poor especially in episode 2 when she cried in front of baek yi jin.. her expression is so flat when she cried and her tone is kinda awkward

seri Feb 15 2022 4:12 am am i the only one concerned about their age gap in the story? i mean a 22 yrs. old and a minor? I'm not sure about the girl's age in the story that's why im curious

Yena Feb 15 2022 2:22 am Baek hee Jin already falling for Na hee do but didn't he say high schoolers should date other high schoolers, hehe

era Feb 15 2022 1:43 am even though kim taeri is already 31 years old, but she still deserves to be a high school student, her acting is amazing

Patrick Feb 14 2022 5:52 pm Watched Ep 1 , damn it funny , can't wait for Ep 03

meg Feb 14 2022 1:58 pm love this drama but i hate how they translate yijin's last name into back instead of baek

Baek Yi Jin protector Feb 14 2022 10:05 am It's giving reply series vibes. I hope writer-nim won't disappoint and turn it into husband or wife guessing game

Spring Feb 14 2022 1:37 am I think injeolmi the chat bud is go yurim. I never knew kim tae ri is 32 i thought she was 24 , she fitted high schooler role so perfectly. If i knew her age beforehand i might have grown age bias too, a 32 playing 18 and i would have failed to judge her performance on merit. Not knowing age made me only focus on her and she meshed in so well. What i am not liking in na hee is constant yelling, she yells too much it hurts my head, it is because maybe how her director told her to do and how her character is like but i will appreciate less yelling. Apart from that she is doing very good job.

What i am noticing ,strictly speaking of only leads, is that even though so far nahee had more screentime than yi jin and it is more like her lifestory and that could be why she overshone him but still kim tae ri is hardcarrying the show due to her great performance to the point that nam jo hyuk seems almost invisible. Njh is a good actor but not exceptional and offlately he has been getting casted opposite skilled actors like kim seon ho, kim tae ri and he totally gets overshadowed. At times i didn't even remember that he is even there in show, all i was focusing on kim tae ri as she totally stole the show. Baek yi jin seems like a plot device to nahee to take forward her story , it is more of a young woman's story than a story of two people.

Very entertaining first 2 episodes, hopefully it will continue being so cool. It had a our beloved summers vibe but better than that.

Pat Feb 13 2022 7:02 pm Was a bit worried that Kim Tae-Ri would stand out in a negative way because of her age, but wow she did a great job so far! If you haven't heard of her, you probably wouldn't even guess that she's over 30. There's nothing cringe about older actors playing a younger role as long as they do it justice. Can't wait for the rest of the episodes.

Crystal Feb 13 2022 4:32 pm Even if min chae aint his daughter i dont care as story of their youth matters more than they got married or not, that is because the youth period in first ep is written so well that right now you feel no complaints about daughter being another man's child. A great story of their youth is what overrides everything else for me. The storytelling in 1st ep is very breezy and fresh. Very nice 1st episode. Seeing nam joo hyuk i feared their will appear desker product placement, im badly traumatised by namdosan character and its link with desker,glad no desker here.

Very fun 1st episode , at some places cinematography was very great. Though i found both na hee do and her daughter's attitude towards respective moms very rude. I don't believe that being a parent's child means you should be fully obedient but you don't have to be so rude and yelling at them.

taeR Feb 13 2022 4:24 pm am i the only one who cringe from watching a 32 yrs old in school uniform playing someone half her age with all the annoying qualities of a teenager. credit to her acting i guess.

Ari Feb 13 2022 3:01 pm The fact that her daughter's name is kim turned me off a little but then I thought that if her name was baek then we would have a very predictable ending I think he might have changed his surname so he is not involved in his father's business. Also I find the fact that taeri and joohyuk are four years apart with taeri being a noona really cute and ironic since in the drama they're four years apart with joohyuk being the oppa. The only thing that is a little annoying to me is the age gap between the main leads and choi hyun wook . I understand that koreans tend to put 25+ year old actors to play high school students but they at least should have kept it like that with the rest of the cast. I'm not saying that the leads don't look young it's just kinda odd. Other than that I think the first 2 episodes were really good and im looking forward to the rest

Cyriam Feb 13 2022 1:26 pm I'm hooked by Nam Joo-Hyuk's acting. Was not a fan but i'm very impress by his acting and his chemistry with the very talented Kim Tae-Ri. This drama will surely talk about nostalgia of youthfulness, first love and dream. Of course it has a Reply series vibe : Who's the father ?

joe anne Feb 13 2022 9:56 am Very good acting from kim tae ri and nam joo-hyuk! Very spontaeneous and chemistry is superb.

Halle Feb 13 2022 4:45 am You guys, just because her daughters name is Kim min chae doesn't mean they didn't end up together, don't just conclude and ruin the fun. Maybe he changed his name or something. Also if her daughters name was baek min hae, everyone would instantly know the end up together, maybe the writers don't want to make it so predictable. Let's just keep an open mind, I hope they up together because they're so cute.

chifuyu wife Feb 13 2022 4:32 am im not going to break my heart by hoping for baek yijin and na hee do to be together because the girl surname is kim LOL at least im prepared. sad

Love 2521 Feb 13 2022 4:31 am So fun for first episode! Can’t wait for the next episodes

cam Feb 13 2022 1:53 am Joohyuk speaks with his eyes.

Tina Feb 13 2022 1:52 am The first episode had comedic and touching moments. You’ll get hooked! I love how Taeri fits to an 18 yr old Heedo while Joohyuk embodied the jaded and matured Yijin. Energy of Taeri is super high but the chemistry is really great. Hyper gf calm bf.

Salie Feb 13 2022 1:52 am It didn't disappoint! Been waiting for Kim Tae-Ri's small screen appearance since Mr. Sunshine. Waah. Since her daughter surname is Kim, they did not up together.

Dana Feb 12 2022 11:30 pm Omg!! the first episode is soo good!!! Mixed with fun and crying emotions I had right now... But in present, na hee do has a daughter and her daughter surname is kim not baek.. so this is a sad ending? Please don't!!!

nata Feb 12 2022 11:21 pm the main couple looks so good together!

Yellowstrat Feb 12 2022 10:15 pm Watching this drama for my girl Bona, but Kim Taeri's lively acting is something worthwhile to watch.

arya Feb 12 2022 9:36 pm @dil same thought, maybe they won’t end up with each other

Na hee do Feb 12 2022 6:22 pm Oh wow, I wasn't a fan of Kim tae ri before now but the way I'm going to binge her filmography after this because I'm in love. What! She's just so beautiful and such a good actress. 1st episode was so good, I'm hooked.

dil Feb 12 2022 12:52 pm her kid name is Kim but he is a Baek. so....?

Din Feb 12 2022 10:43 am Love Kim Tae Ri!! Hope the male lead could match her acting skills. He is handsome, but his acting is so-so.

jj Feb 12 2022 4:45 am this looks like a cool slice of life show similar to anime !!

sage Feb 11 2022 7:42 am im a big fan of kim taeri!!! so excited for tomorrow's premiere <333

yaken Feb 08 2022 12:34 am Kim Tae-Ri and Bona!!! i am excited for this!

Daisyland Feb 07 2022 1:58 pm Gosh lolzz i was reading description and i read hee do was part of hi school fencing team and i thought oh it is a drana about small businesses building fences around schools so i was weirded out why would business shutdown due to skorea financial crisis then i read ahead she joined sabre fencing team and i was like God what were i doing goshhh

ninangjesi Feb 03 2022 11:42 am Apparently, Lee Seokmin / Dokyeom from Seventeen, sang one of this drama's OST. His voice is always heavenly!??

Karylle Jan 13 2022 11:08 pm I really really really like kim tae ri like if i become actress she's featuring me like every character of her is strong and beautiful woman blah blah like in mr. Sunshine she likes gun and in space sweepers she likes gun again and she's strong and here she likes fencing like god i'm really looking forward about her in this drama i would like to see her fighting with a team. And looking forward for her next project HAHAHA i hope it's sports or like in mr. Sunshine again

Shairli Jan 12 2022 1:19 am My two talented superb fab actors! Cant wait!

Mimiaw Jan 05 2022 10:52 pm I'm looking forward to baekyijin! Nam joohyuk hwaiting❤️❤️

Indrajeet Giri Dec 14 2021 11:04 am Anxiously Waiting And So Much Excited For Twenty Five Twenty One Can't Wait To See The Two Power-Houses Nam Joo Hyuk And Kim Tae Ri Together For The First Time??❤❤....

dee Dec 02 2021 3:47 am I'm so excited to see actress Bona again! The cast also looks good. Looking forward to this drama.

Crystal Nov 11 2021 7:17 am I miss Nam Joohyuk! I'm looking forward to his drama

Marie Tess Oct 26 2021 3:55 pm Nam Joo Hyuk & Kim Taeri in a drama! Both are Blue Dragon Film awardees! I can't wait to see them together. I'm wishing all the best to the whole Twenty-Five Twenty One cast and crew!!

Skjsksjsjsjsjjs Oct 17 2021 8:33 am It would be greater if lee sung kyung was the main role for girl.

Kris Sep 12 2021 11:32 am Finally !!!! Kim Taeri !!! And as a fencer !!!

Carmen Sep 11 2021 11:06 pm Yes! Yes! Yes! A new drama featuring Kim Tae-ri.

nini Sep 09 2021 11:23 am Kim tae ri is back, hell yeah!! Before she was a sniper and now a fencer, so excited!!

taeriberries Sep 07 2021 5:27 am new drama from my ult fav the Kim Tae-Ri~

Taely Sep 07 2021 12:02 am Yaaayy !! Can't wait !! I need Kim Tae Ri back to dramaland ASAP

Even though she is 31 yo, his face still looks like a baby maybe that's why she was cast as a high school student. And of course she is a versatile actress.

Tae-Ri-Fan Sep 06 2021 9:18 pm I’m happy about it. Finally a new series from gorgeous Tae-Ri. Can’t wait to watch it. The only problem is that isn’t she a little bit older for the high school girl role?

External Links

Official Website

Twenty Five Twenty One

Contents

User Rating

Profile

Plot Synopsis by AsianWiki Staff ©

Notes

Cast

Na Hee-Do's Family

Back Yi-Jin's Family

Ko Yu-Rim's Family

Moon Ji-Woong's Family

Ji Seung-Wan's Family

Tae Yang High School

National Fencing Group

UBS Network

Media Group

Neighborhood Small Business Group

Elephant Snacks Group

Seon Jung Girls' High School

Others

Trailers

Episode Ratings

Awards

Comments

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