Ryou Seibai!: Gakuen Bishoujo Seisai Hiroku

Kibitsu School is an educational institution where young women from wealthy families study. They have an attractive appearance, and many young people aspire to them. Keichiro, the sister of one of the students at this school, lost her parents in childhood. She works as a teacher at the school, but tries to avoid conflicts so as not to put Keichiro in danger.

Keichiro becomes the target of harassment from the students, and she has to endure their bullying. She is not the first to face such a situation. Saki decides that it's time to punish the students for their actions. Will she be able to achieve her goal?