Kill Ao, also known as Kill Blue, is an anime based on the manga written and illustrated by Tadatoshi Fujimaki.
The anime is produced by Sound Team Don Juan, DMM Pictures, and connypunk.
Production is handled by Studio Cue, and the series premiered on April 11, 2026, with a total of 12 episodes, each lasting 23 minutes.
The anime falls under the action and comedy genres, with a school theme. It is targeted at a shounen demographic. The anime is rated PG-13, meaning it is intended for viewers aged 13 and older.
The cast of the anime Kill Blue includes Shunsuke Takeuchi as Juuzou Oogami, Fuuka Izumi as Noren Mitsuoka, Atsumi Tanezaki as Chisato Shiraishi, Daisuke Sakuma as Shin Kohazame, and Reiji Kawashima as Ryou Shiraishi.
Tsukino Chikasada as Kozue Wanibuchi, Kanna Nakamura as Reika Takada, Madoka Ashina as Tomomi Baba, Yoshiki Nakajima as Eiji Rindou, and Yumi Uchiyama as Eri Wanibuchi.
Synopsis of the anime Kill Blue
Kill Blue tells the story of Juuzou Oogami, a legendary hitman who has never failed a mission, no matter how impossible it may seem. One day, after destroying a powerful organization, he was stung by a mysterious wasp and lost consciousness. When he woke up, the fearsome 39-year-old hitman had turned into a 13-year-old boy!
Before he could even comprehend what had happened, his boss gave him a new order: “With that body, infiltrate a middle school.” What awaits him is an unexpected school life, filled with diverse classmates, teenage chaos, and lurking dangers. Can Juuzou return to his original form? Or will the hitmen closing in on him end his second life before it even begins!?***