UNDER NINJA

Name: UNDER NINJA
Genre: Action, Animation, Comedy
Released: 2023-01-01
Rating: 6.5
Cast: Taito Ban, Atsumi Tanezaki, Tarusuke Shingaki, Tasuku Hatanaka, Kouichi Souma

アンダーニンジャ

2023| 1 season| IMDb 6.5

UNDER NINJA (2023) is currently available in the UK on Crunchyroll. Last updated 20 January 2026.

Streaming availability last checked 20 January 2026

Action Animation Comedy

Within the shadows of Japan, a covert battle wages on. Around 200,000 ninjas still exist carrying out deadly missions as a secret organization, National Intelligence of NINJA, or NIN. But a challenger arises: UNDER NINJA. Known as UN, these ninjas oppose NIN at every turn. One such UN is Kuro, a high school loner sent to the front lines. What will be his fate and which faction will prevail?