One day, Reina, a new teacher, visits a student in her class. However, as soon as the student welcomes her, he gives her tea laced with a sleeping drug and then overpowers her. The student's father, a semi-gangster, appears in the middle of the act and intervenes, thoroughly gang-raping her. That night, when the loan sharks who had lent money to her father arrive, her father proposes that Reina's body be offered as collateral for the debt, and that they can do whatever they want with her. Before long, Reina has become a slutty woman who accepts everything, including vaginal ejaculation and facials...