Kurō Kumogakure
Ayaka Noguchi
Saruta
Mitsuki Yamada
Shion Hachiya
Eita
Principal
Homeroom Teacher
Akikazu Yoshida
Ōno
Suzuki
Kato
Kawado
Ozu
Noheji
Ozu's Assistant
Aleksei
Sato
Azuma
Under Ninja (voice)
