Yuna marries her husband, a novelist who is older than her. She was happy living as a family with her husband's stepchild Takashi in a magnificent mansion. However, her evening activities with her husband, who is old and stressed from work, are dull. One day, Yuna suddenly feels a man when she touches Takashi's strong, well-developed body. She feels something hot in her own body and indulges in masturbation. Takashi sees her... Written by the monologue of a married woman who wants to remain a woman forever...an immoral incest drama!