Ayano's son, Kousuke, cannot forgive his mother's infidelity. He decides to punish her by fucking her. During the punishment, he discovers his mother's lustful nature, which awakens his twisted desires. He ties her up and takes her freedom, forcing her to deepthroat, choke, and have raw sex. Under Kousuke's thorough training and forced creampies, Ayano submits to her son and is forced into a humiliating master-slave relationship.