My wife returned to her hometown for a summer vacation, and during those seven days, I had a crazy, breasty, sweaty, and intense sexual encounter with my unfamiliar stepdaughter. (Rena Momozono JUFE-317)

Rena, a college student starting a new life with her stepfather after her mother remarried, catches her stepfather sneaking into her room to steal her underwear. For her mother's sake, she begins to distance herself from him. However, her grandmother falls ill, and her mother returns to her hometown to care for her. Rena, who is temporarily staying at a friend's house…