UNDER NINJA - Season 1 - Eps 1: Throw a Rock, Hit a Ninja
Kumogakure Kuro is a modern day ninja, but that doesn't mean his life is exciting. Bereft of any missions for a long time, he's an underachiever whiling away his days in obscurity, until he receives a special delivery.
About UNDER NINJA

Title: UNDER NINJA
First Air Date: 2023-10-06
Last Air Date: 2023-12-22
Status: Ended
Rating: 7.313/10 (from 16 votes)
Language: JA
Seasons: 1
Total Episodes: 12
Network: TBS
Genres: Animation, Drama, Comedy, Action & Adventure
Production Companies: Pony Canyon, Tezuka Productions, Kodansha, TBS, Crunchyroll, BS11, MAGNET
Synopsis
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?
Cast

Taito Ban
Kuro Kumogakure (voice)

Atsumi Tanezaki
Suzuki (voice)

Tarusuke Shingaki
Kato (voice)

Tasuku Hatanaka
Miracle Hibi (voice)

Kouichi Souma
Ozu (voice)

Chika Anzai
Kawado (voice)

Cho
Oono (voice)