The Great Shu Ra Ra Boom

The Great Shu Ra Ra Boom (2014) is a family, fantasy, comedy directed by Yutaka Mizuochi rated 7.0/10.

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?