<Episode One> Mai Ko speaks ill of her son's friend, accusing him without cause. Enraged, her son teams up with his friend to punish and train her. <Episode Two> The son throws a tantrum, demanding to keep a stray dog. His mother, Eriko, scolds him for it. In response, the son puts a collar on her and locks her in a cage, beginning her training. <Episode Three> Misa harshly tells her son to study. The son slips an aphrodisiac into her drink, making her body extremely sensitive—she reacts intensely to even the lightest touch. The son begins studying her female body in detail.