Kengo Hanazawa's manga "Under Ninja" has been adapted into an anime, with its premiere scheduled for October 5. Ahead of this release, several updates and details have been revealed.



Promotional materials such as a main video and new visuals have been released to give viewers a taste of what to expect.

The anime's opening theme song, "Hyper," is credited to Kroi. Additionally, the anime's music team has been identified as Yūsuke Seo, Sadahiro Nakano, MK, and Ryu*.

The series will feature the voices of:

- Taito Ban as Kurō Kumogakure
- Tarusuke Shingaki as Katō
- Tasuku Hatanaka as Miracle Hibi
- Atsumi Tanezaki as Suzuki
- Daiki Yamashita as Shion Hachiya
- Chika Anzai as Kawado
- Chō as Ōno
- Shūichi Uchida as Eita
- Sora Tokui as Noguchi
- Kōichi Sōma rounding out the cast as Ozu

Behind the scenes, Satoshi Kuwabara from Tezuka Productions takes on the role of director. The series scripts have been entrusted to Keiichirō Ōchi, while the character designs come from Nobuteru Yuki. Shōta Kowashi is responsible for the music composition, with music production overseen by Pony Canyon.

The story of "Under Ninja" is set in post-war Japan. After the war, the Allied Command in Japan established an agency with ninjas tasked with combating violence and terrorism in the Pacific region. One of these ninjas, a high school student named Kurō, soon becomes a key figure in protecting Tokyo from potential threats.