The story is this....a girl named Riri and her little sister, Miki go to an elite all-girl's private school. It's very strict and extremely boring. The most exciting thing that ever happens is someone has to go to the nurse. Riri tries to act grown-up and a role-model to her little sister because she is always getting into trouble. But really, she just wants to act like she is really her age. Miki neverlistens to Riri and always does her own thing. So she finds out some....bad stuff about her school, like the teacher is really a wanted criminal....