Ayano has raised her son Kei all by herself. Kei innocently asks, "Mom, aren't you going to find a new boyfriend?" Though Ayano replies, "I don't need one," she still spends her days alone and lonely. One day, Ayano discovers a large amount of used tissues in Kei's room. Shocked by the unusual quantity, she has no idea that it was his twisted feelings for his mother that led him to release so much semen. Kei's warped affection for his mother is on the verge of exploding...
