Companies: Yahoo! Japan, Amuse Soft Entertainment, movic, NHK, Sedic International, Warner Bros. Pictures, dentsu, OLM, The Asahi Shimbun, King Records, Raku Film
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.