R-17+

Under Ninja

TV
Manga
12
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Once believed to be extinct, ninjas have reappeared in contemporary Japan following the Pacific War. With a headcount rumored to be two hundred thousand, these deadly assassins are now tasked with covert operations, infiltrating a significant portion of the nation's public and private institutions in the process. Among these ninjas is Kurou Kumogakure, who often spends his days in a run-down apartment with no motivation to do much of anything. Some might consider him a useless vagrant who does nothing but steal beer from his neighbor. Nevertheless, the 17-year-old loser might actually be more dangerous than his demeanor suggests. Kurou's hidden potential is put to the test when he is given a new mission to infiltrate a local high school, but there is more to this assignment than he could ever predict. [Written by MAL Rewrite]
Anitium is the best site to watch Under Ninja SUB online, or you can even watch Under Ninja DUB in HD quality.
Japanese: アンダーニンジャ
Country: Japanese
Aired: 2023-10-06 to 2023-12-22
Premiered: Fall
Duration: 24 min per ep
Status: Finished
MAL Score: 6.88
Genres: Action Seinen
Studio: Tezuka Productions
Producers: Pony Canyon TBS Kodansha DAX Production BS11 Crunchyroll MAGNET NetEase
Resources: Official Site @UNDERNINJAanime YouTube AniDB ANN Wikipedia Wikipedia Syoboi

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