Kill Blue: Story, Cast and Series Facts

Story and premise

Legendary hitman Juzo Ogami has never failed an assignment. But after a mission, he's stung by a mysterious wasp and wakes up in the body of a 13-year-old boy! And to make things even weirder, he receives a bizarre new order: infiltrate a middle school. Now the once-feared assassin must balance the chaos of school life with his deadly work, all while searching for a way to regain his adult body!

Series details

• Title: Kill Blue
• Format: Animation
• Language: Japanese
• Genres: Comedy, Action, Anime, Fantasy
• Premiere date: 2026-04-11
• Status in TVmaze: Running
• Network listed by TVmaze: TV Tokyo
• Network country: Japan
• Typical episode runtime: 30 minutes
• TVMaze ID: 90806
• TVDB ID: 467414

Cast and credited roles

• Yuko Sanpei — Juzo Ogami
• Fuka Izumi — Noren Mitsuoka
• Shuuichirou Umeda — Kotatsu Nekota
• Atsumi Tanezaki — Chisato Shiraishi
• Takeo Ōtsuka — Tenma Tendo
• Shōya Chiba — Kazuma Rindou
• Yoshiki Nakajima — Eiji Rindou
• Daisuke Sakuma — Shin Kohazame
• Yumi Uchiyama — Eri Wanibuchi
• Shunsuke Takeuchi — Juzo Ogami (Adult)

Seasons in the TVmaze catalogue

• Season 1: premiered 2026-04-11; final listed air date 2026-06-27; episode order: 12.

Source and licence

Adapted from Kill Blue on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.