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 was serialized on Takeshobo's Storia Dash[ja] website from April 2020 to September 2025 before being transferred to the Takecomic[ja] website in October 2025. Its chapters have collected into twelve tankōbon volumes as of March 2026. 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.
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.
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.
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.
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.
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 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 was serialized on Takeshobo's Storia Dash[ja] website from April 3, 2020,[8] to September 26, 2025.[9] It was subsequently transferred over to the Takecomic[ja] website on October 17 of that same year.[10] The first tankōbon volume was released on October 30, 2020.[11] As of March 2026, twelve volumes have been released.[12]
On February 14, 2025, J-Novel Club announced that they had licensed the series for English publication.[13]
An anime television series adaptation was announced on October 17, 2022.[1][30] 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 is streaming the series.[32]
"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
August27,2023(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
September3,2023(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
September10,2023(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
September17,2023(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
September24,2023(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
October1,2023(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][39] It aired on BS Shochiku Tokyu from January 15 to March 26, 2025.[4][40] 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.[39]
Reception
In 2020, My Tiny Senpai ranked 11th in the Next Manga Awards in the web manga category.[41] By August 2023, the manga had over one million copies in circulation.[42] In 2025, the English version of the first volume of the manga was nominated for Best Lettering in the second edition of Anime NYC and Japan Society's American Manga Awards.[43][44]
↑【9月14日付】本日発売の単行本リスト. Comic Natalie (in Japanese). Natasha, Inc. September 14, 2023. Archived from the original on September 14, 2023. Retrieved September 13, 2023.
