Ninja Kids!!!
The film stars Seishiro Kato as Rantaro who is sent to a ninja training school by his parents. During the summer, their teacher is invaded by a group of rival ninjas culminating in a race to ring a bell on top of a mountain.
Directors: Takashi Miike
Writers: Soubee Amako, Yoshio Urasawa
Cast
IMDB: tt1644655