Aibou: Season 21

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Drama: Aibou: Season 21
Romaji: Aibou: Season 21
Japanese: 相棒season21
Director: Hajime Hashimoto, Hajime Gonno, Akira Uchikata
Writer: Yasuhiro Koshimizu, Ryuta Kawasaki
Network: TV Asahi
Episodes: 21
Release Date: October 12, 2022 - March 15, 2023
Runtime: Wednesday 21:00
TV Ratings: 13.3%
Language: Japanese
Country: Japan

Notes

"Aibou: Season 21" takes over TV Asahi's Wednesday 21:00 time slot previously occupied by "Seven Detectives: Season 8" and followed by "Tokusou Nine: Season 6" on April 5, 2023.
Related titles (drama series):
1. Aibou: Season 1 (TV Asahi / 2002)
2. Aibou: Season 2 (TV Asahi / 2003-2004)
3. Aibou: Season 3 (TV Asahi / 2004-2005)
4. Aibou: Season 4 (TV Asahi / 2005-2006)
5. Aibou: Season 5 (TV Asahi / 2006-2007)
6. Aibou: Season 6 (TV Asahi / 2007-2008)
7. Aibou: Season 7 (TV Asahi / 2008-2009)
8. Aibou: Season 8 (TV Asahi / 2009-2010)
9. Aibou: Season 9 (TV Asahi / 2010-2011)
10. Aibou: Season 10 (TV Asahi / 2011-2012)
11. Aibou: Season 11 (TV Asahi / 2012-2013)
12. Aibou: Season 12 (TV Asahi / 2013-2014)
13. Aibou: Season 13 (TV Asahi / 2014-2015)
14. Aibou: Season 14 (TV Asahi / 2015-2016)
15. Aibou: Season 15 (TV Asahi / 2016-2017)
16. Aibou: Season 16 (TV Asahi / 2017-2018)
17. Aibou: Season 17 (TV Asahi / 2018-2019)
18. Aibou: Season 18 (TV Asahi / 2019-2020)
19. Aibou: Season 19 (TV Asahi / 2020-2021)
20. Aibou: Season 20 (TV Asahi / 2021-2022)
21. Aibou: Season 21 (TV Asahi / 2022)
22. Aibou: Season 22 (TV Asahi / 2023)
23. Aibou: Season 23 (TV Asahi / 2024-2025)
24. Aibou: Season 24 (TV Asahi / 2025)
Related titles (movies):
1. Aibou: The Movie | Aibou gekijo-ban (2008)
2. Identification: The Case Book of Mamoru Yonezawa (2009) *spin-off
3. Aibou: The Movie II | Aibou Gekijo-ban II (2010)
4. Aibou: X-Day | Aibou Shirizu X DAY(2013) *spin-off
5. Aibou: The Movie III | Aibou Gekijo-ban III (2014)
6. Aibou: The Movie IV | Aibou Gekijo-ban IV (2017)

Cast



Yutaka Mizutani	Yasufumi Terawaki	Anju Suzuki	Kazuhisa Kawahara	Takashi Yamanaka
Ukyo Sugishita	Kaoru Kameyama	Sachiko Tsukimoto	Kenichi Itami	Keiji Serizawa



Atsushi Yamanishi	Satoshi Jinbo	Ryuji Katagiri	Ryo Ono	Takaaki Enoki
Rokuro Kakuta	Haruki Okochi	Kanji Uchimura	Teruo Nakazono	Yahiko Kusakabe



Yukie Nakama	Koji Ishizaka	Yosuke Asari	Tetta Sugimoto	Ryuzo Tanaka
Miyako Yashiro	Mineaki Kai	Toshio Aoki	Toji Kinugasa	Soei Mashiko



Mitsuhiro Oikawa	Ittoku Kishibe	Hiroki Narimiya	Ryuuji Harada	Seiji Rokkaku
Takeru Kambe	Kimiaki Onoda	Toru Kai	Kohei Jinkawa	Mamoru Yonezawa



Seigi Shimizu	Ryukichi Kubota	Ryosuke Otani	Yoshino Kimura	Masahiko Tsugawa
Chojuro Oki	Makoto Komatsu	Shinsuke Miura	Hinako Katayama	Yonezo Setouchi



Sei Ashina	Akira Emoto	Yoko Moriguchi	Yukiko Shinohara	Takashi Sorimachi
Fuko Kazama	Hyoe Yarikura	Mari Koide	Reon Izumo	Wataru Kaburagi

Sawa Suzuki

Miwako Kameyama

Additional Cast Members:

Masanobu Katsumura - Taku Umayadani (ep.1-2)
Emma Miyazawa - Miu Garcia (ep.1-2)
Rosa Sahel - Aisha La Puranto (ep.1-2)
Manabu Hamada - Kazutaro Satomura (ep.1-2)
Maiko Kikuchi - Eiko Oguri (ep.1-2)
Kazusa Miyashita - Umayadani (ep.1)
Kazuki Namioka - Ryohei Hashiba (ep.3)
Kimihiko Hasegawa - Kotaro Shiomi (ep.3)
Yuriko Hirooka - Kyoko Shiomi (ep.3)
Rio Komiya - Yuma Shiomi (ep.3)
Tasuku Unou - Shozo Maejima (ep.3)
Atsuko Fukuda - Saori Sengoku (ep.3)
Toshihiro Yashiba - Shiro Dojima (ep.4)
Koki Osamura - Mitsuru Kubo (ep.4)
Yuko Daike - Teruko Nagasawa (ep.4)
Shiori Toyoizumi - Yuki Nishimura (ep.4)
Ryosuke Yamamoto - Shota Hirayama (ep.5)
Chikau Sato - Toshio Nonomura (ep.5)
Akiho Ohtsubo - Maki Morihara (ep.5)
Taisei Kusano - Tanikawa (ep.5)
Marin Nishimoto - Kudo (ep.5)
Kenji Anan - Makoto Ito (ep.6)
Nobue Iketani - Saya Wada (ep.6)
Yoshiki Arizono - Toshio Ohtani (ep.6)
Kotaro - Detective Aota (ep.6)
Mamoru Hagiwara - Sota Wada (ep.6)
Rina Sakuragi - Hiromi Yoshizaki (ep.7)
Toshie Negishi - Mizue Tominaga (ep.7)
Reika Kirishima - Yukako Shinozuka (ep.8)
Genichiro Oshita - Riichi Numata (ep.8)
Haruto Sato - Yu Shinozuka (ep.8)
Yuria Eda - Kana Aoyama (ep.9)
Mitsunori Hirokawa - Tatsuo Adachi (ep.9)
Manami Hashimoto - Manami Kanno (ep.10)
Takayuki Godai - Masanori Anzai (ep.10)
Yuzuna Kato - Mizuki Anzai (ep.10)
Win Morisaki - Shigeto Hakamada (ep.11)
Mizuki Kayashima - Nene Daimonji (ep.11)
Hajime Inoue - Chokichi Nozaki (ep.11)
Chikara Honda - Inoshikacho (ep.11)
Ryo Sato - Hitomi Yotsutani (ep.11)
Yoko Ishino - Nijiko Hakamada (ep.11)
Shigeru Saiki - Naohiko Daimonji (ep.11)
B-saku Sato - Junya Kushida (ep.11)
Ryusuke Komakine - Koichi Minamino (ep.12)
Reina Doi - Aki Mikumo (ep.12)
Yunho - Takeshi Kudo (ep.12)
Kenji Takechi - Shimazu (ep.12)
Seiji Kinoshita - Hidehisa Kudo (ep.12)
Sonomi Hoshino - Teruko Yoshimura (ep.12)
Akie Namiki - Samejima (ep.12)
Shinobu Nakayama - Tomoko Makimura (ep.13)
Hana Hizuki - Satomi Yaginuma (ep.14)
Shugo Oshinari - Katsuharu Yaginuma (ep.14)
Junko Hamura - Aya Satake (ep.14)
Masahiro Azumi - Makoto Kuwamura (ep.14)
Satoko Oshima - Michiko Noel (ep.15)
Fuyuna Asakura - Michiko Noel (24 years old) (ep.15)
Chisun - Sumire Furukawa (ep.15)
Shunsaku Kudo - Issei Onitsuka (ep.15)
Rio Takahashi - Kengo Tomosaka (ep.15)
Gin Pun Chou - Shiori Tachibana (ep.16)
Yuki Ogushi - Shiori Tachibana (young) (ep.16)
Nahoko Yoshimoto - Chiharu Saito (ep.16)
Tsuyoshi Takashima - Takuya Watanabe (ep.16)
Kokoro Terada - Kanta Okuyama (ep.17)
Ito Ono - Ayumi Otsuka (ep.17)
Tatsuhito Okuda - Kouhei Sawada (ep.17)
Sara Kozawa - Kyoko Fukazawa (ep.17)
Wataru Ichinose - Chiaki Kozakura (ep.18)
Yoshiyuki Yamaguchi - Katsuya Fujieda (ep.18)
Shinya Hasegawa - Jun Ikeda (ep.18)
Michiko Tanaka - Tomoka Matsuo (ep.18)
Mizuki Tsujimoto - Yui Kawamoto (ep.18)
Kanau Tanaka - Mamoru Yamabe (ep.19)
Yoshihisa Ishida - Man C (ep.19)
Takao Shibata - Man D (ep.19)
Ryuta Endo - Man E (ep.19)
Moe Miura - Woman A (ep.19)
Yaeko Kimura - Kazuko Yamabe (ep.19)
Tomokazu Koshimura - Naokuni Takamuro (ep.20)
Ikkei Watanabe - Zaizo Kuzuha (ep.20-21)
Fuga Shibazaki - Masayoshi Mano (ep.20-21)
Nahana - Asako Mano (ep.20-21)
Shigeru Harihara - Kozo Mano (ep.21)

Episode Ratings

Episode	Date	Ratings (Kanto Region)
01	10/12/2022	17.3%
02	10/19/2022	15.4%
03	10/26/2022	14.2%
04	11/02/2022	13.7%
05	11/09/2022	14.0%
06	11/16/2022	13.2%
07	11/30/2022	14.3%
08	12/07/2022	10.5%
09	12/14/2022	12.7%
10	12/21/2022	12.3%
11	01/01/2023	13.9%
12	01/11/2023	10.8%
13	01/18/2023	13.3%
14	01/25/2023	12.6%
15	02/01/2023	12.7%
16	02/08/2023	11.7%
17	02/15/2023	13.2%
18	02/22/2023	12.8%
19	03/01/2023	13.2%
20	03/08/2023	13.9%
21	03/15/2023	14.5%
Average		13.3%

Source: Video Research, Ltd.

Comments

Stamp Oct 01 2022 10:02 am Partner???

jess Sep 20 2022 1:27 am Kameyama-kun is back! Back!! Back!!! I was kind of hoping for a female partner for Sugishita-san, but it'll be great to see Kameyama Kaoru again.

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Aibou: Season 21

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