Where to watch
Not available in United States
Streaming in 1 other country
Under Ninja isn't on any streaming service in United States right now, but it's available in Japan. Streaming rights are licensed per country.
Cast · Directed by Yuichi Fukuda
KY
Kento Yamazaki
Kurō Kumogakure
MH
Minami Hamabe
Ayaka Noguchi
AO
Amane Okayama
Saruta
CY
Chihiro Yamamoto
Mitsuki Yamada
RM
Ryubi Miyase
Shion Hachiya
RS
Ryotaro Sakaguchi
Eita
MH
Mitsuru Hirata
Principal
SH
Shinobu Hasegawa
Homeroom Teacher
JS
Jiro Sato
Akikazu Yoshida
TM
Tsuyoshi Muro
Ōno
MS
Mai Shiraishi
Suzuki
SM
Shotaro Mamiya
Kato
More from Kento Yamazaki · Lead actor
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More from Minami Hamabe · Co-star actress
More from Yuichi Fukuda · Director
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Under Ninja — streaming FAQ
Which OTT platform streams Under Ninja?
Under Ninja isn't on any streaming service in United States yet, but it's available in Japan. Streaming rights differ by country — switch your country in the header to see where.
Is Under Ninja on Netflix?
No, Under Ninja is not on Netflix in United States as of October 2026.
Is Under Ninja on Amazon Prime Video?
No, Under Ninja isn't on Amazon Prime Video in United States right now.
Where can I watch Under Ninja for free?
Under Ninja isn't streaming in United States yet, so there's no way to watch it free at the moment.
