The film's story begins when Shiriri, an alien, arrives and turns Hiroshi and Misae into children. To turn them back, Shinnosuke must travel the length of Japan with Shiriri hidden in his butt. Meanwhile, Shiriri's father is moving forward with a huge conspiracy. (Source: Anime News Network)

Genres

Cast

Shinnosuke Nohara

Akiko Yajima

Misae Nohara

Miki Narahashi

Himawari Nohara

Satomi Koorogi

Hiroshi Nohara

Keiji Fujiwara