Shiki quickly became friendly with her mother's new husband. It was a warm family where laughter never ceased. One day, her mother went on a trip and she began spending three days alone with her stepfather. However, that night, her stepfather went wild, saying, "I've been dreaming about doing it with you for the past two years." He attacked his stepdaughter, who was turned on by an aphrodisiac he had secretly planted in her, while she was sleeping! Her stepfather, who has a strong sexual appetite, screws his dick into her morning and night, making her cum! She cums and arches her back! A pitiful JK who becomes a human toilet before her mother comes home...