Okiteru, an elementary school boy who lost his parents and lives with his unemployed older brother, spends his days performing intimate "services" for the adults who come through his brother's introduction. ...

The manga's story begins when Isshin Inui invites his friends to go out on a journey on their bikes to find their long lost friend Ayano Hirakawa, who has been gone for years. Their only clue is a last photo...