Kouichi and Mao are childhood best friends. But as they enter high school, they discover that their social trajectories are destined to be quite different. Mao is a stud, who has no problems attracting the ladies, while Kouichi...well...he could use a little help. And thus begins Mao's quest to make sure that even though Kouichi entered high school not having kissed a girl, he sure as hell won't graduate that way!