Mitsuru Hanahata is the jokester of the class, always singing and bringing smiles to everyone's faces. Conversely, Takuya Daizenji is the aloof, wealthy, and good-looking heir to the Daizenji Conglomerate. Their lives couldn't be any more different, yet the thought "wouldn't life be better if I were him?" is always on their minds. While thinking this one day, they bump into each other and switch bodies!