Kappa Revolution: Odore! Kappa Step

Author: Sekicho Gizantei

Run: 1998

Chapters: 23

Genres: Comedy, Supernatural

Elementary schooler Masashi stumbles upon the kappa Hirobo and his adorable little sister Sayuri, who promptly move into his house; slapstick chaos ensues as the family tries to keep cute Sayuri while evicting the freeloading Hirobo.