Jun's father remarried, and Rikako became Jun's new mother. Teenage Jun was fascinated by Rikako's enormous breasts that seemed ready to spill out. He would often peek at her in the bath, fantasizing about having sex with her. One day, as usual, while Jun was peeking, he was caught by Rikako. "Can you promise not to peek anymore?" Rikako gently admonished Jun, but the sweet scent of her shampoo aroused his desires, causing him to forget that she was his stepmother and pounce on her.
