Born to an esteemed family, Inu-oh is afflicted with an ancient curse that has left him on the margins of society. When he meets the blind musician Tomona, a young biwa priest haunted by his past, Inu-oh discovers a captivating ability to dance. The pair quickly become business partners and inseparable friends as crowds flock to their electric, larger-than-life concerts. But when those in power threaten to break up the band, Inu-oh and Tomona must dance and sing to uncover the truth behind their creative gifts.

The film follows Nishi, a loser who has a crush on his childhood girlfriend. After an encounter with the Japanese mafia, the film follows Nishi as he journeys to heaven and back, and ends up trapped in an even more unlikely place.

The protagonist falls in love with his junior in a college club, and struggles daily to be noticed by her. However, she is naïve and unsophisticated and is completely indifferent to him. This comical love fantasy depicts absurd and interesting daily happenings in the city of Kyoto.

The story takes place in a harbor town where a gloomy middle school student named Kai meets a mermaid named Lu.