Mother Reiko (Murakami) has raised her son Tomoya with excessive affection. Reiko loves Tomoya, but Tomoya can't control her sexual urges, and remembers her mother and indulges in masturbation. On the other hand, Reiko has a relationship with her homeroom teacher because she loves her son so much that she gets stuck in a quagmire. Reiko swears to do everything she can as a mother for her son's growth and physical changes, and the forbidden desire of her grown-up son strips her fangs!
