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)
Type: Movie
Genres: AdventureComedySci-FiSeinen
Studios: Shin-Ei Animation
Sources: Manga
Status: Finished
Episodes: 1
Season: Spring 2017