Ria moves to her husband's hometown when her husband, Takumi, changes jobs. However, soon after moving, her husband makes a mistake at work, causing a loss to a client. Takumi goes to the client to apologize, but is shocked to see the president. It is Umeda, who bullied Takumi when they were students, calling him a "shotaku." To make up for the loss, Umeda rapes Ria as if she were his own. Unable to resist, Takumi desperately tries to find money, but in the meantime, Ria is seduced by Umeda, who is also strong in sex...