My Tiny Senpai

My Tiny Senpai (Japanese: うちの会社の小さい先輩の話, Hepburn: Uchi no Kaisha no Chiisai Senpai no Hanashi; lit. 'Story of a Small Senior in My Company') is a Japanese manga series written and illustrated by Saisou [ja]. It has been serialized in Takeshobo's Storia Dash website since April 2020, with its chapters collected into eleven tankōbon volumes as of August 2025. An anime television series adaptation produced by Project No.9 aired from July to October 2023. A live-action television drama adaptation aired from January to March 2025.

My Tiny Senpai
First tankōbon volume cover, featuring Shiori Katase
うちの会社の小さい先輩の話 (Uchi no Kaisha no Chiisai Senpai no Hanashi)
Genre	Romantic comedy[1]
Manga
Written by	Saisou [ja]
Published by	Takeshobo
English publisher	NA: J-Novel Club
Imprint	Bamboo Comics
Magazine	Storia Dash [ja]
Original run	April 3, 2020 – present
Volumes	11
Anime television series
Directed by	Mitsutoshi Satō
Written by	Keiichirō Ōchi [ja] Yasuko Aoki Satoru Sugizawa
Music by	Sumika Horiguchi
Studio	Project No.9
Licensed by	Crunchyroll
Original network	ANN (TV Asahi, Nagoya TV)
Original run	July 2, 2023 – October 1, 2023
Episodes	12
Television drama
Directed by	Masashi Komura Kō Nishiguchi
Produced by	Tatsuya Nagahara Tōki Murasaki Kyōhei Morinaga Kazuhiro Gotō
Written by	Masashi Komura Kō Nishiguchi
Music by	Hidekazu Sakamoto [ja]
Studio	BS Shochiku Tokyu LesPros Entertainment [ja]
Original network	BS Shochiku Tokyu
Original run	January 15, 2025 – March 26, 2025
Episodes	11

Plot

Takuma Shinozaki is an office worker who is being mentored by a beautiful and diminutive young woman named Shiori Katase. Serving as his senpai, she likes to coddle him to ensure that he feels as relaxed as possible. In love with Katase, Shinozaki hopes that the time she spends with him is something more than just professional courtesy.

Characters

Shiori Katase (片瀬 詩織里, Katase Shiori)

Voiced by: Hina Tachibana^[2] (Japanese); Megan Shipman^[3] (English)

Portrayed by: Toomi [ja]^[4]

Katase is a beautiful, kind, and diminutive young woman who serves as Shinozaki's senpai. She likes to make sure that Shinozaki feels comfortable while she is mentoring him. Initially oblivious to Shinozaki's crush on her, Katase slowly starts to develop feelings for him as they spend time together.

Takuma Shinozaki (篠崎 拓馬, Shinozaki Takuma)

Voiced by: Yuuki Shin^[2] (Japanese); Mark Allen Jr.^[3] (English)

Portrayed by: Tsubasa Takizawa [ja]^[5]

Shinozaki is a good-natured and timid office worker who serves as Katase's kōhai. He falls in love with Katase at first sight and only grows closer to her every day, hoping his relationship with her will blossom into something more than just coworkers. He often daydreams about Katase, which makes his crush on her all the more obvious to his coworkers, much to his embarrassment.

Chinatsu Hayakawa (早川 千夏, Hayakawa Chinatsu)

Voiced by: Yumiri Hanamori^[6] (Japanese); Mallorie Rodak^[3] (English)

Portrayed by: Mito Yukimi [ja]^[5]

Hayakawa is a childhood friend of Shinozaki's who works in the same department as him and Katase. An otaku, it is implied she secretly has feelings for Akina, even though he is completely oblivious.

Chihiro Akina (秋那 千尋, Akina Chihiro)

Voiced by: Nobunaga Shimazaki^[6] (Japanese); Ricco Fajardo^[3] (English)

Portrayed by: Kōsuke Suzuki [ja]^[5]

Akina is a department manager who is Katase, Shinozaki, and Hayakawa's boss. He likes to imagine his employees in different romantic scenarios, though is completely unaware of Hayakawa's secret feelings towards him.

Yutaka Shinozaki (篠崎 豊, Shinozaki Yutaka)

Voiced by: Mikako Komatsu^[6] (Japanese); Morgan Garrett^[7] (English)

Yutaka is Takuma's older sister. Due to her obsession with cute things, she approves of Katase's beauty and cute charms, and wants her brother to marry her.

Media

Manga

Written and illustrated by Saisou [ja], My Tiny Senpai began serialization in Takeshobo's Storia Dash [ja] website on April 3, 2020.^[8] The first tankōbon volume was released on October 30, 2020.^[9] As of August 2025, eleven volumes have been released.^[10]

On February 14, 2025, J-Novel Club announced that they had licensed the series for English publication.^[11]

Volumes

No.	Original release date	Original ISBN	English release date	English ISBN
1	October 30, 2020[12]	978-4-80-197105-9	April 30, 2025[13]	978-1-71-834843-1
Chapters 1–23 Bonus Manga 1 (描き下ろしマンガ①, Kakioroshi Manga 1) Bonus Manga 2 (描き下ろしマンガ②, Kakioroshi Manga 2)
2	May 27, 2021[14]	978-4-80-197306-0	—	—
Chapters 24–38 Kakioroshi Manga 1 (描き下ろしマンガ①) Kakioroshi Manga 2 (描き下ろしマンガ②)
3	November 30, 2021[15]	978-4-80-197476-0	—	—
Chapters 39–46 Kakioroshi Manga (描き下ろしマンガ)
4	April 30, 2022[16]	978-4-80-197615-3	—	—
Chapters 47–53 Bangai-hen (番外編) Kakioroshi Manga (描き下ろしマンガ)
5	October 17, 2022[17]	978-4-80-197867-6	—	—
Chapters 54–61 Bangai-hen (番外編) Kakioroshi Manga 1 (描き下ろしマンガ①) Kakioroshi Manga 2 (描き下ろしマンガ②)
6	April 17, 2023[18]	978-4-80-198009-9	—	—
Chapters 62–70 Bangai-hen 1 (番外編①) Bangai-hen 2 (番外編②) Bangai-hen 3 (番外編③)
7	September 14, 2023[19]	978-4-80-198156-0 978-4-80-198167-6 (SE)	—	—
Chapters 71–78 Omake-banashi 1 (おまけ話①) Omake-banashi 2 (おまけ話②) Kakioroshi Manga 1 (描き下ろしマンガ①)
8	February 17, 2024[20]	978-4-80-198247-5	—	—
Chapters 79–86 Kakioroshi Manga (描き下ろしマンガ)
9	August 17, 2024[21]	978-4-80-198384-7	—	—
Chapters 87–95
10	February 17, 2025[22]	978-4-80-198556-8	—	—
Chapters 96–104 Kakioroshi Manga (描き下ろしマンガ)
11	August 16, 2025[10]	978-4-80-198724-1	—	—
Chapters 105–114 Omake Manga (おまけマンガ)

Anime

An anime television series adaptation was announced on October 17, 2022.^[1][23] It was produced by Project No.9 and directed by Mitsutoshi Satō, with scripts written by Keiichirō Ōchi [ja], Yasuko Aoki, and Satoru Sugizawa, characters designed by Hayato Hashiguchi and Hiromi Ogata, and music composed by Sumika Horiguchi.^[2] The series aired from July 2 to October 1, 2023, on TV Asahi's NUMAnimation block.^[a] The opening theme song is "Honey", performed by Tōya Kobayashi [ja], while the ending theme song is "Sugar", performed by Yu-ka [ja].^[6] Crunchyroll streamed the series.^[25]

Episodes

No.	Title [26][b]	Directed by [c]	Written by [c]	Storyboarded by [c]	Original release date [28][a]
1	"My Senpai Is Small and Cute" Transliteration: "Uchi no Kaisha no Senpai wa Chiisakute Kawaii" (Japanese: うちの会社の先輩は小さくて可愛い)	Takafumi Hino	Satoru Sugizawa	Mitsutoshi Satō	July 2, 2023 (2023-07-02)
2	"Despite Appearances, I'm More the Big Sister Type." Transliteration: "Kō Miete Igai to Onē-san Desho?" (Japanese: こう見えて意外とお姉さんでしょ？)	Yōhei Fukui	Satoru Sugizawa	Yōhei Fukui, Kōji Yoshikawa & Hikaru Takeuchi	July 9, 2023 (2023-07-09)
3	"Is This How I Look to You?" Transliteration: "Watashi tte, Konna Fū ni Mieterun Desu ka?" (Japanese: 私って、こんな風に見えてるんですか？)	Tomofumi Nakahashi	Keiichirō Ōchi	Kōji Yoshikawa & Hikaru Takeuchi	July 16, 2023 (2023-07-16)
4	"When It Comes to Him, I'm Not Sure Yet..." Transliteration: "Shinozaki-san no Koto wa, Mada..." (Japanese: 篠崎さんの事は、まだ・・・)	Takanori Yano	Yasuko Aoki	Noriaki Saitō	July 30, 2023 (2023-07-30)[d][e]
5	"Shall We Go Somewhere Before We Head Home?" Transliteration: "Yorimichi Shite Kaerimasen ka?" (Japanese: 寄り道して帰りませんか？)	Masayuki Matsumoto	Yasuko Aoki	Hiroyuki Shimazu	August 6, 2023 (2023-08-06)
6	"I Can't Resist My Instincts!" Transliteration: "Hon'nō ni Aragaenai!" (Japanese: 本能に抗えない！)	Akira Katō	Keiichirō Ōchi	Yōhei Fukui & Hiroaki Shimura	August 20, 2023 (2023-08-20)[f][g]
7	"You Sure You Don't Want One?" Transliteration: "Hontō ni Iranain Desu ka?" (Japanese: 本当にいらないんですか？)	Tomofumi Nakahashi	Keiichirō Ōchi	Kōji Yoshikawa & Hikaru Takeuchi	August 27, 2023 (2023-08-27)
8	"Isn't It Time for Good Boys to Go to Sleep?" Transliteration: "Īko wa Nerujikan Desu yo?" (Japanese: 良い子は寝る時間ですよ？)	Takanori Yano	Yasuko Aoki	Hiroyuki Shimazu	September 3, 2023 (2023-09-03)
9	"He Wants to Talk Privately..." Transliteration: "Futarikkiri de Hanashitai Koto..." (Japanese: 2人っきりで話したい事・・・)	Akira Katō	Keiichirō Ōchi	Noriaki Saitō	September 10, 2023 (2023-09-10)
10	"Even If We're Just Playing, He's My Kohai..." Transliteration: "Gokko to wa Ie, Kōhai-san to..." (Japanese: ごっことはいえ、後輩さんと・・・)	Masayuki Matsumoto	Keiichirō Ōchi	Kōji Yoshikawa & Hikaru Takeuchi	September 17, 2023 (2023-09-17)
11	"Can I Give You a Big Hug?" Transliteration: "Gyutto Shite Mite Ii Desu ka?" (Japanese: ぎゅっとしてみていいですか？)	Park Hwan-Soo & Takanori Yano	Yasuko Aoki	Mitsutoshi Satō & Yū Nobuta	September 24, 2023 (2023-09-24)
12	"A Story About the Tiny Senpai Where I Work" Transliteration: "Uchi no Kaisha no Chiisai Senpai no Hanashi" (Japanese: うちの会社の小さい先輩の話)	Akira Katō	Keiichirō Ōchi	Hiroyuki Shimazu	October 1, 2023 (2023-10-01)

Drama

A live-action television drama adaptation produced by BS Shochiku Tokyu and LesPros Entertainment [ja] was announced on November 15, 2024. Masashi Komura and Kō Nishiguchi wrote and directed the series, Hidekazu Sakamoto [ja] composed the music, and Tatsuya Nagahara, Tōki Murasaki, Kyōhei Morinaga, and Kazuhiro Gotō served as the producers.^[4][31] It aired on BS Shochiku Tokyu from January 15 to March 26, 2025.^[4][32] The opening theme song is "Hatsukoi Juice", performed by 2i2 [ja], while the ending theme song is "Memories" (メモリーズ), performed by Amayadori.^[31]

Reception

In 2020, My Tiny Senpai ranked 11th in the Next Manga Awards in the web manga category.^[33] By August 2023, the manga had over one million copies in circulation.^[34] In 2025, the English-language version of the manga has been nominated for Best Lettering in the second edition of Anime NYC and Japan Society's American Manga Awards.^[35]

See also

• She's My Knight, another manga series by Saisou

Notes

1. TV Asahi listed the series premiere at 25:30 on July 1, 2023, which is effectively July 2 at 1:30 a.m. JST.^[24]
2. All English titles are taken from Crunchyroll.^[27]
3. Information is taken from the ending credits of each episode.
4. This episode was delayed a week from its originally scheduled air date of July 23, 2023.^[29]
5. This episode aired at 1:50 a.m. JST, 20 minutes after the original air time on TV Asahi.^[29]
6. This episode was delayed a week from its originally scheduled air date of August 13, 2023.^[30]
7. This episode aired at 2:00 a.m. JST, 30 minutes after the original air time on TV Asahi.