Nao, a newlywed young wife, lived with her husband and his parents in a household of four. However, her father-in-law, Toshihide, had long harbored desires to possess her young and voluptuous body. One day, when her husband and mother-in-law were out, leaving her alone with her father-in-law, he took the opportunity to assault her. The acts escalated to the point where he would violate her even when the family was at home. Desperate to be loved as a woman, she made a significant decision.