Konomi, the popular school idol, was known for her arrogant attitude and disrespect toward authority figures, which had become a serious issue. Meanwhile, a student named Takt attempted suicide due to bullying, and when the vice-principal investigated, he discovered Konomi—the so-called "evil girl"—was the main culprit. However, because Konomi's father made large donations to the school, the staff couldn't reprimand her severely. Emboldened, Konomi escalated her behavior, mocking the vice-principal as "baldy" and hurling further insults. Enraged, the vice-principal finally snapped, kidnapping and imprisoning Konomi, then using iron hooks to rip apart her defiant attitude and insolent words through brutal torture and intense discipline.