Mao, a daughter who is having trouble communicating with her new stepfather. While her mother is in the hospital, she is left alone with her stepfather, but she can't find her place, and whenever they meet, he plays with her small body, whether she likes it or not. Mao refuses with all her might, but her stepfather is the one who is financially supporting her life and her mother's hospitalization, so despite her resistance, she always ends up giving in and being impregnated...