The wife, Rika, living a life akin to a single-parent household due to her husband's job relocation. One day, she learns that her son Takashi is being bullied and visits the home of Hashimoto, the main culprit. Rika believed that Hashimoto, who had been with Takashi since kindergarten, would understand if she talked to him. However, Hashimoto demanded her body as a condition to stop the bullying. "If that saves Takashi..." Rika quietly offers her body. But it doesn't end with just one time, and one day, Hashimoto brings friends to her home...
