Kento Yamazaki

as Kurō Kumogakure

Minami Hamabe

as Ayaka Noguchi

Amane Okayama

as Saruta

Chihiro Yamamoto

as Mitsuki Yamada

Ryubi Miyase

as Shion Hachiya

Ryotaro Sakaguchi

as Eita

Mitsuru Hirata

as Principal

Shinobu Hasegawa

as Homeroom Teacher

Jiro Sato

as Akikazu Yoshida

Tsuyoshi Muro

as Ōno

Mai Shiraishi

as Suzuki

Shotaro Mamiya

as Kato

Haruka Kinami

as Kawado

Kou Maehara

as Ozu

Reiya Masaki

as Noheji

Hinami Mori

as Ozu's Assistant

Nihi

as Aleksei

Maru Nouchi

as Sato

Soma Santoki

as Azuma

Kenjiro Tsuda

as Under Ninja (voice)

Derrick Dover

as Spec Ops Captain