Kao is a high school girl who wants to shine like other students. Every day, she does her job of managing the boys’ volleyball team with the support of club members Kuze-kun and Kiryu-kun. In the meantime, she can’t help coming to like Kuze-kun, though she never knows whether he’s joking or serious. One day, he suddenly calls her out after an important game, and her heart starts pounding! Drawn by Haruka Mitsui, the story of a dazzling after school romance! Kuze-kun's popularity is exploding!