Yume was arrogant in school and with her studies, skillfully manipulating the boys in her class to disrupt classes daily. She was an uncontrollable problem student, hurling insults at her homeroom teacher and boycotting classes. However, upon entering third year of ● School, everyone started prioritizing studying for exams over playing around, causing Yume to gradually become isolated. The teachers, with their positions reversed, used the students to take revenge on Yume by carrying out a brutal rape involving ejaculation inside her.
