My Tiny Senpai

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.

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.

Shiori Katase (片瀬 詩織里, Katase Shiori) Voiced by: Hina Tachibana (Japanese); Megan Shipman (English) Portrayed by: Toomi 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 (Japanese); Mark Allen Jr. (English) Portrayed by: Tsubasa Takizawa 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 (Japanese); Mallorie Rodak (English) Portrayed by: Mito Yukimi 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 (Japanese); Ricco Fajardo (English) Portrayed by: Kōsuke Suzuki 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 (Japanese); Morgan Lauré Garrett (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.

Written and illustrated by Saisou, My Tiny Senpai was serialized on Takeshobo's Storia Dash website from April 3, 2020, to September 26, 2025. It was subsequently transferred over to the Takecomic website on October 17 of that same year. The first tankōbon volume was released on October 30, 2020. As of March 2026, twelve volumes have been released. On February 14, 2025, J-Novel Club announced that they had licensed the series for English publication.

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

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