Sarazanmai (TV Series)

TV series (2019). 11 episodes One day, the students Kazuki Yasaka, Toi Kuji and Enta Jinai, find a kind of "kappa" (Japanese folklore monster) called Keppi, who claims to be the self-proclaimed heir to the throne of the Kappa kingdom, and transforms them into kappas. To recover his human form again, Keppi tells them first that they must defeat an army of Kappa-zombies that are behind him.