The Great Shu Ra Ra Boom (2014)
Original title: 偉大なる、しゅららぼん
The Great Shu Ra Ra Boom is a 2014 Japanese-language family movie directed by Yutaka Mizuochi, with a running time of 1h 54m. It stars Gaku Hamada, Masaki Okada and Kyoko Fukada.
Two feuding eccentric families with super powers clash when their young sons confront each other after a silly mistake. Meanwhile, the local high school principal has mysterious powers of his own that trump those of the two rival clans. How did this civilian acquire them? Or perhaps a better question, who or what is using him?