The First Night With the Duke

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Drama: The First Night With the Duke (English title) / I Took the Male Lead's First Night (literal title)
Revised romanization: Namjuui Cheotnalbameul Gajeobeoryeodda
Hangul: 남주의 첫날밤을 가져버렸다
Director: Lee Woong-Hee
Writer: Hwang Dotol (web novel), Jeon Sun-Young
Network: KBS2
Episodes: 12
Release Date: June 11 - July 17, 2025
Runtime: Weds. & Thurs. 21:50
Genre: Fantasy-Romance
Language: Korean
Country: South Korea

Plot Synopsis by AsianWiki Staff ©

University student K (Seohyun) is an ordinary young woman, but, one day, she finds herself in her favorite romance novel that is set during historical times. She has now become the minor character Cha Sun-Chaek. She is the daughter of a wealthy noble family and her dream is have a peaceful and normal life. Cha Sun-Chaek, while possessed by K, then spends one night with Yi Beon (TaecYeon), who is the lead male character in the novel. He comes from a royal lineage and is favored by the King. Yi Beon has a cold-blooded personality and is gifted with an attractive appearance and outstanding martial arts skills. He has also experienced a heartbreaking past. Somehow, Yi Beon and Cha Sun-Chaek happen to meet and talk. Yi Beon is consoled by her about his heartbreaking past. They spend the night together. Soon, Cha Sun-Chaek tries to connect Yi Beon to Jo Eun-Ae (Kwon Han-Sol), who is the lead female character in the novel. According to the novel, Yi Beon and Jo Eun-Ae are supposed to fall in love, but, due to the appearance of Cha Sun-Chaek, Jo Eun-Ae's fate has changed. No matter how hard Cha Sun-Chaek tries, Yi Beon’s love always finds its way back to her.

Other people around them include Jung Su-Gyeom (Seo Bum-June) and Do Hwa-Seon (Ji Hye-Won). Jung Su-Gyeom is a young officer from a prestigious family. He is Yi Beon’s only friend. Do Hwa-Seon is an ambitious woman whose life goal is to marry Yi Beon and become a member of the royal family.

Notes

"The First Night With the Duke" takes over KBS2's Wed. & Thur. 21:50 time slot previously occupied by "Pump Up the Healthy Love" and followed by "My Girlfriend is the Man" on July 23, 2025.
Based on web novel "Namjuui Cheotnalbameul Gajeobeoryeodda” by Hwang Dotol (published March 4 - October 11, 2019 via Naver).

Cast



Seohyun	TaecYeon	Kwon Han-Sol	Seo Bum-June	Ji Hye-Won
Cha Sun-Chaek	Yi Beon	Cho Eun-Ae	Jung Su-Gyeom	Do Hwa-Seon



Lee Tae-Sun	Seohyun
Prince Yi-Gyu	K

Cha Sun-Chaek's Group



Seo Hyun-Chul	Yun Yoo-Sun	Lee Sang-Un	Kim Shin-Bi	Yoon Jung-Hoon
Cha Ho-Yeol	Yun Deok-Jeong	Cha Jang-Ho	Cha Doo-Ho	Cha Se-Ho



Oh Se-Eun	Ok Ye-Rin
Bong Wool-Yi	Cha Sun-Chaek (teen)

Yi Beon's Group



Song Young-Jae	Yoon Tae-Ha	Lee Gyu-Hoe	Choi Hee-Jin	Choi Hyun-Jin
head servant	Ma Yoon	Prince Deokseong (ep.4)	Yi Beon's mom (ep.4)	Yi Beon (teen)

Lee Jae-Joon

Jung Su-Gyeom (teen) (ep.6)

Royal Palace



Joo Suk-Tae	Nam Gi-Ae	Jung Hee-Tae	Jung Ho-Bin	Jung Soon-Won
Suljong	King's mother	Do Bae-Myung	Jung Moon-Suk	Secretary Do



Choi Yeon-Hwa	Park Jung-Eon	Shin Jun-Chul	Min Sang-Chul	Kim Seo-Joon
Queen	court lady	royal physician	eunuch	Prince Yi-Gyu (teen)



Jang Eui-Don	Seo Min-Sung	Son Yong-Beom	Oh Ki-Chan	Lee Do-Hyung
royal kitchen staff (ep.1)	Hongmungwan official (ep.5)	Hongmungwan scholar (ep.5-6)	Hongmungwan scholar (ep.5-6)	court official (ep.11)

Ha Eun-Sung

royal wedding office staff

Cho Eun-Ae's Group



Kim Young-Woong	Yoon Chae-Na	Hwang Sung-Ho
Cho Byeong-Moo	Cho Eun-Ae (child)	servant

Mysterious People



Lee Joo-Won	Kim A-Young
kid	Sul-Gi

K's Group



Seo Eun-Young	Woo Ji-Han	Song Hoon
Lee Ah-Yeong	Joon-Soo	professor (ep.6)

Dahong Club



Kim Si-Hyeon	Kim Joo-Kyung	Kang Jung-Won	Lee Jin	Han Han-Na
Dahong Club member	Dahong Club member	Dahong Club member (ep.1)	Dahong Club member (ep.1)	Dahong Club member (ep.1)



Yun Tae-Yi	Kim Sung-Kyung	Kim Yeon-Woo
Dahong Club member (ep.1)	Dahong Club member (ep.1)	Dahong Club member (ep.1)

Seonmun Club



Park I-Jun	Lee Young-Joon	Su Hyeon	Park Sil-Rim	Cha Ye-Ri
Seonmun Club member (ep.3-4)	Seonmun Club member (ep.3-4)	Seonmun Club member (ep.3-4)	Seonmun Club member (ep.3-4)	Seonmun Club member (ep.3-4)

Kim Min-Seong

Seonmun Club member (ep.3-4)

Marriage Applicants



Kim Do-Gyeong	Lee Ki-Bbeum
maiden (ep.5-6)	maiden (ep.5-6)

Others



Bae Sung-Il	Kim Ah-Yul	In Gyu-Sik
fabric seller	Do Hwa-Seon's servant	masked man



Choi Nam-Wook	Ryu Sung-Hwan	Jung Hyun-Woo	Cho Bu-Hyun	Kim Jeong-Han
boy's father (ep.1)	boy (ep.1)	teahouse passerby (ep.1)	Hoseondang worker (ep.2)	Hoseondang worker (ep.2)



Oh Yong-Seok	Min Jung-Sup	Park Ji-Won	Park Jong-Bum	Park No-Kyeong
officer (ep.2)	officer (ep.2)	monk (ep.2)	criminal (ep.2)	criminal (ep.2)



Jung Jung-Ah	Yang Shin-Ji	Song Kyung-A	Choi Yo-Woon	Lee Byeong-Cheol
Madam Jeong (ep.3)	Yun Deok-Jeong's friend (ep.3)	Yun Deok-Jeong's friend (ep.3)	Yun Deok-Jeong's friend (ep.3)	grocery seller (ep.6)



Kim Jin-Ok	Kim Yeon-Woo	Seo Dong-Oh	Baek Kyoung-Seon	Kim Han-Sang
flower seller (ep.7)	royal relative (ep.7-8)	royal relative (ep.7-8)	royal relative (ep.7-8)	physician (ep.9)



Min Eung-Sik	Ban Hye-Young	Shin Kang-Kyun	No Hee-Joong	Han Sang-Chul
ex-prime minister (ep.9-10)	seller (ep.9)	paper maker (ep.9)	onlooker (ep.9)	ginseng digger (ep.9)



Lee Hwa-Young	Park Do-Jun	Lee Ju-Hyoung	Jung Young-Hoon
angry widow (ep.9)	General (ep.11-12)	government soldier (ep.11)	assassin (ep.11-12)

Additional Cast Members:

Jung Soon-Won - Secretary Do
Oh Hun-Seo - citizen onlooker (ep.1)
Park Jeong-Min - court official (ep.3)
Kwon Si-Wan - orphan boy (ep.7)

Trailers

Episode Ratings

Date	Episode	AGB
Date	Episode	Nationwide	Seoul
2025-06-11	1	3.3%	2.7%
2025-06-12	2	3.4%	2.7%
2025-06-18	3	2.7%	2.5%
2025-06-19	4	3.3%	3.1%
2025-06-25	5	2.6%	-
2025-06-26	6	3.3%	3.4%
2025-07-02	7	2.7%	-
2025-07-03	8	2.7%	-
2025-07-09	9	2.8%	-
2025-07-10	10	2.7%	-
2025-07-16	11	2.6%	-
2025-07-17	12	3.2%	2.8%

Source: AGB Nielson

Comments

Roh Jisun Mar 27 2026 2:02 am My teenage self would’ve been so happy seeing my SNSD bias (Seohyun) and 2PM bias (Taecyeon) as the main leads in one drama. Who would’ve thought this was possible?

I absolutely love this Kdrama! Even the OST is chef’s kiss. I really hope they bring back more fantasy rom-coms.

webtoon reader Dec 09 2025 12:22 am should’ve stick to the original setting…i loved the manhwa so much so i’m a bit biased on this

irish Dec 07 2025 4:25 pm Omggg this is so good??? Why is nobody talking about this drama? I’ve watched this and bon appetit, your majesty — they’re both good but i personally liked this one better.

This isn’t a typical sageuk drama and there are no boring episode. Seohyun and Taecyeon’s characters are adorable and their chemistry is amazing. I didn’t expect the plot twist!! I became suspicious of Eun ae the moment she joined as one of the candidates for lee bun’s wife but i still gave her the benefit of the doubt. Sun Chaek has been nothing but nice to her and i feel bad for the second lead who liked her. I suddenly found myself rooting for the Do hwaseon LMAO

Piet Oct 17 2025 12:02 pm Reading the notification in the opening that this drama is adapted from webtoon, I racked my brain trying to remember all the saeguk manhwa I have ever read. And I can't recall any. Then watching the 1st episode, I went,"Aaahh! It's from Ripley!" It feels kinda weird since the original manhwa has a western setting and not joseon. First episode feels kinda off for me, dunno what could it be? Is it the music? I think the music plays a significant role in a drama, and it doesn't sit right for me in this one. I'll try watching some more. But honestly, I think this could be done better...

Mywoman_Yeaji Aug 23 2025 5:20 pm I found it hard to watch this movie but I'm seeing so many great comments about it so I think I'll rewatch.

When I was watching earlier, it felt predictable, repetitive and boring so I skipped a lot of parts but I definitely will rewatch more patiently with all these positive comments.

Alana Aug 23 2025 1:24 pm The actor playing "Mark" the westerner/white man is Justin Harvey! I hope he's added to these credits as he deserves it.

Sq Aug 20 2025 5:05 pm I loved this drama until I read the webtoon. This drama is funny from ep 1 to 8 or 9. The last 3 episodes are like melodrama boring sageuk. I wish they keep the story in the drama stay close to the webtoon, which is still funny until the end. The ML has that perfect charisma to be the duke, the FL is pretty and charming, all the actors did really great job. The thing that I found so weird in this drama is when that kid appears randomly and acts like a deity. Also when they're switching souls, I much prefer webtoon version. I am still re watching this drama from ep 1 to 8, I like the chemistry between Sun Chaek with Yi Beon, they are so cute.

Mel Aug 16 2025 3:34 am Ok Taecyeon, great acting. Love the sound of his voice in this kdrama.

Monday Aug 11 2025 4:56 pm This kdrama is quite engaging with a compelling plot and strong performances from the entire cast. TaecYeon stands out as Yi Beon, showing both coldness and persistent determination in pursuing his love for his woman. Seohyun is fun to watch, especially her charm in cocktail-making scenes. The ending is also satisfying. Highly recommended to also watch their behind-the-scene videos, where you find Yi Beon mostly smiling and laughing !

Monday Aug 11 2025 2:37 pm This kdrama is engaging with a compelling plot and strong performances from the entire cast. TaecYeon stands out as Yi Beon, showing both coldness and persistent determination in pursuing his love for his woman. Seohyun is fun to watch, especially her charm in cocktail-making scenes. The ending is also satisfying. Highly recommended to also watch their behind-the-scene videos!

Ddeonu Jul 26 2025 11:17 am I finally finished watching this drama. From the first episode to the last, there was never a dull moment. Taecyeon and Seohyun played their roles very well. 2PM and SNSD were also like Yoona and Junho. Those who know the Caribbean music video will definitely know, hehe...

All the actors in this drama are very good. Good drama. Rate 8.5/10

HwaJangShi Jul 19 2025 2:23 am I came to love Do Hwa Yeon character since the very beginning. I have watched thousand of villains and I knew she is just cunning cute. Real villain never expose one self publicly. She is just very honest with her personality and let her dark side leads. I just love a woman that way, honesty is the best personality

Keko Jul 17 2025 8:29 pm So happy with last eps .. thank you so much.. so many people really enjoy with this movie.. please another season.. or same actress actors with different scene.. congratulations to all team at The First Night with Duke…

noah Jul 17 2025 7:18 am I'm shocked she wants to stay in the story world... literally swapping places with the character in the story... over a guy she likes.. the story ends.. the world ends.. wtf now..

Rose Jul 17 2025 7:15 am So interesting a must watch

dwed Jul 16 2025 10:06 pm I was in love with this drama for the earlier parts, but the latter parts are a bit disappointing, and it seems the rating drop attest to that. The earlier parts were very charming with Cha Sun Chaek as the woman out of time, using her non-conventional, modern day smarts to survive in Joseon era. The latter parts (especially since Lee Gyu came into the scene) became more of a standard saeguk full of intrigues, where Sun Chaek barely uses her smarts and things become more historical melodrama than romantic comedy.

Amykim Jul 15 2025 9:17 am I've watched the drama for 8 episodes, so far I don't think there's any problem because it's still okay, but in episode 9 I was shocked because the character who should be etoile in the webtoon became evil in the drama, i like her character as ogfl on webtoon.

luna Jul 14 2025 1:39 am i knew it cho eun ae is the villain

Elaine Jul 09 2025 9:18 am TFNWTD needs to up its storyline so as not to waste the powerful acting skills and chemistry of the first leads. Taecyeon and Seohyun are putting in their best performances but the story is floundering. It is wasting the efforts of the main leads! Can the writer-nim be changed to a better one? No wonder KBS is getting zero-viewing for its other dramas due to unskilful writer-nims.

Gel Jul 08 2025 8:02 pm "The First Night With the Duke" is a unique and visually captivating K-drama adaptation that stands out for its fantasy-romance plot and reverse-isekai elements. Based on the popular webtoon, the drama brings to life the story of a modern-day woman who wakes up inside a romance novel as the supporting character — only to accidentally spend the night with the male lead, Duke Demetriu.

What makes this drama particularly compelling is its blend of humor, romance, and emotional depth. The lead female character, Ripley, is not your typical damsel in distress. She is witty, smart, and determined to survive in a fictional world where she knows how the story is supposed to end. Her efforts to rewrite fate while navigating royal life and complicated feelings with the duke keep the plot exciting and full of twists.

The chemistry between the two leads is undeniable. Duke Demetriu, with his cold and mysterious aura, slowly opens up throughout the episodes, revealing a more vulnerable and sincere side of him. Their romantic development feels natural and emotionally satisfying, especially as the show explores deeper themes like self-worth, choice, and destiny.

Visually, the drama does not disappoint. The costumes, setting, and cinematography are elegant and enchanting — perfectly fitting for a story that takes place in a regal, fictional European-inspired kingdom. It creates a dreamy, fairytale-like atmosphere that adds to the show's charm.

Overall, The First Night With the Duke is not just about romance — it’s about empowerment, second chances, and finding love in the most unexpected way. Whether you're a fan of historical dramas, fantasy, or webtoon-based series, this show is definitely worth watching. It’s a delightful escape into a world of love, laughter, and literary magic.

Ping Jul 04 2025 9:56 am Loving this one. I hope it stays as a feel good kdrama until the end. Super love the chemistry of Taecyon and Seohyun!

Elaine Jul 03 2025 7:52 pm I think Cho Eun Ae is the person who pushed Cha Seon Chaek into the water, not Do Hwa Seon. Do Hwa Seon is evil but she is openly nasty. If she lose Yi Beom to Cha Seon Chaek, it will only be a huge dent to her vanity. Do Hwa Seon is a half-royal, after all. On the other hand, Cho Eun Ae has more at stake. She is an orphan and her family is low-status even though rich. Marrying Yi Beom is their ticket to high birth and royalty, which Cho Eun Ae and her adoptive father are hungering for. Cho Eun Ae, herself, is pretty sneaky, having known tough life and survival from the beginning.

nia Jul 03 2025 11:45 am gen 2 main leads with great chemistry. can't stop giggling and smittened through every episode!

dumplingslag Jul 02 2025 4:05 am My 2nd Gen heart !!! Finally ended my K-Drama rut since 2019 !!!! I am loving it so much (am also a Manhwa and novel fan)

Jeje Jul 02 2025 1:19 am Seohyun-Taecyeon is perfect couple ever.. this drama is amazing!!!

Elaine Jun 28 2025 10:59 pm Amazing! Steamy hot until it gives you goosebumps!

StePH Jun 27 2025 5:53 am I love Taecyeon charm and based on his looks he's kind and FL she's so beautiful ☺️looking forward for the next episodes??

Ichiban1 Jun 21 2025 2:07 am so refreshing and funny drama.. chemistry between ML and FL, makes your heart melt... need time travel/ fantasy drama like this

Sam Jun 20 2025 5:07 am Sun Chaek characters really funny and i like her expression. Yi Beon eyes so good and of course green flag. Love all roles and hopefully happy ending.

Keko Jun 19 2025 10:32 pm Hahahahahhahah!! Please create so many movie like this . I really like The Firts Night with Duke… Romance + So funny !! keep it up!!!!

Elaine Jun 19 2025 10:49 am Watched Episode 3. In this episode, Taecyeon may have stumbled a little because that kind of scenes really don't suit him. He is a man's man who speaks his mind clearly. Not so much a romantic guy. Hoping that Taecyeon gets back to his feet quickly in Episode 4

Dora ? Jun 19 2025 1:33 am I in love with this movie. Can they date for the next episode be fast forward quickly ??

Duke Jun 18 2025 1:59 am I really love it. Seohyun acting is really great, she and Sooyoung r my fave that can really act among their groups

Jay Ann Jun 17 2025 11:49 pm I can't wait for the next episodes ! the best!

Florida paul Jun 17 2025 10:13 am This drama is the best historical drama which have watched in ma life for thé for time when I watched the trailer ma heart was amazed with this drama

Elaine Jun 16 2025 5:48 am This drama is light note and romantic. Absolutely love the main couple's chemistry. Hope the ending will be great for them.

Jade Jun 12 2025 8:54 pm I have read the webtoon for like 4 times already, and that's how much I enjoyed it. And so far, although some things like places and themes have changed, I view the adaptation in a positive light. I hope it'll continue to be fun and all because the manhwa was really fun to read (just like Ripley's personality lol).

P.s. I didn't imagine Taecyeon to be Zeronis but he's surprisingly doing it well.

Hannn Jun 12 2025 12:49 pm Realy loving the first two episodes and the FL is doing great

Nana Jun 12 2025 9:40 am This drama is really good :)

The 1st and 2nd episode really entertaining. Hopefully it Will progress better until the last episode ^_^

Good job Seohyun, Taecyeon, and the other cast and staff :)

iamseoleovly May 31 2025 10:33 pm i'm really looking forward to it. i love the chemistry between the actors. as someone who's read the webtoon, i can confidently say i’ll be watching the drama too. in adaptations, it’s normal for appearances or settings to change. what really matters is that the characters’ personalities and dynamics stay the same. from the teasers, it seems like they’ve stayed faithful to the original story. there're some scenes like the FL preparing her special shot, getting drunk from excitement, and spending the night with the ML. which show they’re carefully building the flow of the story. that’s what’s important.

some people might prefer a western version, but personally i think this version is way more interesting. we’re literally watching a story where someone falls into a webtoon. it doesn’t have to reflect korean history 100%,just like the western version doesn’t reflect western history either. for me, it’s all about the script. if the story’s good, that’s all that matters

LCLY May 08 2025 2:48 am Why this sound exactly like Mr Queen!

ME Jan 20 2025 11:33 pm I'm re-reading this Mawha in prep. I forgot how much I love Ripley. She's so hilarious! I hope they retain her ridiculous-Ness and her red hair!

Just drama enjoyer Dec 01 2024 7:54 pm OMG I watch so many Chinese drama about person who get into Novel/game !!! I really like this kinda story like Isekai things... I hope Korea make more like this, exited for this !!

External Links

Official Website

The First Night With the Duke

Contents

User Rating

Profile

Plot Synopsis by AsianWiki Staff ©

Notes

Cast

Cha Sun-Chaek's Group

Yi Beon's Group

Royal Palace

Cho Eun-Ae's Group

Mysterious People

K's Group

Dahong Club

Seonmun Club

Marriage Applicants

Others

Trailers

Episode Ratings

Comments

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