Koji Seto is forced to have a new roomate at the deliquent academy, Sakura Academy. But this roommate is not like any of the people at the academy. He's Yusuke Yamamoto, a weird quirky boy that is all smiles. But even Koji realizes that there is something special about Yusuke, and he has a need to protect his annoying roommate. Especially from the other deliquents of Sakura Academy and the rival schools.....