Newly hired teacher Nene visits the home of her student, Shiro, who has been refusing to attend school. Upon arriving at his house, Shiro shocks Nene with sudden actions—immediately knocking her unconscious and pinning her down. During the assault, Shiro's father, Kenta, and his friend Hirai appear, joining in to gang rape her in a brutal foursome. They then make a horrifying proposal: handing Nene over to a loan shark to settle her debts, allowing them to use and abuse her however they please. This terrifying situation places her in extreme danger, leaving deep physical and psychological scars.