An old father-in-law raped his wife's daughter, who was growing up very beautifully. After his father died in a car accident, Yuzuhira's mother decided to continue her journey, hoping that the family would have someone to take care of, love, and take care of them at all times. But life is not fun. Yuzuhira's stepfather always looked down on women and angrily ordered his mother not only to do housework but also to work part-time to earn money. Yuzuhira's mother's plan didn't go as expected and backfired. Not only that, but he was also very rude and often followed Yuzuhira into the bathroom. Once, while he was playing with his naked body, his stepdaughter suddenly forced him to sleep with her and threatened her not to reveal it. Yuzuhira is initially scared and disgusted, but after being raped for the second time while watching TV, her mood changes completely, replacing the joy and happiness she had the first time. Therefore, he becomes very attracted to the unwanted relationship between him and his stepfather.