Yurika's daughter, Kokoro, was troubled by her boyfriend. She has a kind personality, but she is indecisive, timid, and dissatisfied with things that are not manly. One day, that dissatisfaction explodes. Tetsuo, Kokoro's boyfriend, is scolded by the strong-willed Kokoro. Kokoro leaves Tetsuo. Yurika feels sorry for the deeply depressed Tetsuo and encourages him. At that time, Tetsuo tells her that he grew up in a family without a mother since he was a child and doesn't know maternal love. Yurika, overwhelmed by Tetsuo's kind personality, the responsibility for what her daughter said, and not knowing maternal love, feels maternal love overflowing towards Tetsuo. Tetsuo relies on Yurika. Yurika feels pleasure in being relied upon. Eventually, those feelings lead to a relationship where they seek each other out... And then Tetsuo decides to break up with Kokoro. What action does Yurika take in response to that decision...? Distorted love leads to intense sex.