Yume, who licks both school and study, successfully rolls the class boys and interferes with class every day.She was an uncontrollable super-problem child, such as abusive language and class boycotts against her homeroom teacher.However, as she becomes a third year student, everyone prepares for the exam and prioritizes her studies over her play, and Yume gradually becomes isolated.Her position has been reversed, and her teacher uses her course as a joke to use her students to get her revenge creampie.