Satsuki-chan attends a girls' school that is located near two other high schools. These are boys' schools, notorious for their gang leaders, the Black King and the White King.<br /><br />One day after visiting the market, Satsuki-chan takes a short cut by jumping over a wall. Unfortunately, she jumps right into the middle of a fight between Blacks and Whites. Of course, being a girl, she makes quite an impact on them! Then Kuroki-kun, the Blacks' leader shows up. Will something develop between these two?<br /><br />But unknown to all, the White King has watched everything from behind the scenes, and a new game has started: Satsuki-chan is the new target!