Eriko and her friends Yuma and Ayano are excited about entering high school. Their excitement leads to their breaking of the rules when they toured the school before the opening ceremony. They also find out that their preconceptions about the all-female school may not be as true as they had first thought. Despite that, Eriko, Yuma and Ayano get to know new friends, and together they overcome the daily pitfalls of high school life.
