Based on the manga by Goro Aizome published by Takeshobo, the story follows university student Sota Tachibana, who at his sister Kaoru's request becomes the dorm supervisor and coach of the Hokuei University women's volleyball team. There he reunites with his first love Ayano Hasegawa and finds himself swept up in daily life surrounded by girls far bigger than him, in this height-gap harem romantic comedy. Animation production is by Studio Houkiboshi.
■Cast
Sota Tachibana: Rin Hiniji
Ayano Hasegawa: Sui Mizuki
Kaoru Tachibana: Kanna Natsuki
Sanae Yamada: Hana Mameshiba
Sakura Asakura: Suyako Inemuri
Kyoka Teshigawara: Aki Nagatsuki
Yulia Mackenzie: Noeru Kanzaki
■Broadcast / Streaming
Premieres on BS11, TOKYO MX and other channels from April 5, 2026. Exclusive early streaming on AnimeFesta from 5:00 p.m. on Friday, March 13, 2026.
Official site: https://ookii-onnanoko.af-original.com/
©Goro Aizome, Takeshobo / Suiseisha Inc.