The story takes place in Hermit City, where the people almost everything is named after the hermit, which is supposed to reside in the city. In this city, there's a normal high school girl, Maho, and her friend Yuwata, who's freeloading at her place. But Yuwata has a secret which only a few people know of: She's actually the hermit that has been living in this city for hundreds of years! And one day, she asks Maho to help her with searching for a 'water god' in this city...

A mysterious story with many funny moments!