Chiaki and the unofficial school prince Katsuho are roommates - as well as boyfriend and girlfriend. On the surface, Katsuho is by all appearances a dazzling prince. However, when alone with Chiaki, the prince becomes a sadist with a perverted streak!It's one thing after another for Chiaki and Katsuho, as a girl who looks exactly like Chiaki shows up one day without warning - and she appears to be awfully close with the Prince. Just who is she, exactly...? The drama begins to ramp up in this school love comedy's 5th volume!