Izumi Momoko is one of the most popular girls in school, but she has difficulty getting good grades, so her mother decides to hire a private tutor, Izumi's mother receives a recommendation from a friend and hires that friend's son, Minoru Yoshi is Izumi's private tutor on the weekends, but Minoru and Izumi don't know this, the problem is that the two are classmates, how will these adventures be?