Last year, sayaka remarried a male masseur. The man would stay over during their courtship and ask sayaka for a massage. Sayaka's son wondered what kind of massage it was and peeked in to find sayaka moaning in an indecent pose. After that, whenever he heard the word "massage," he couldn't help but peek. One day, the stepfather had to go out of town for work and stay overnight. It was the first time in a long time that sayaka and her son had dinner together just the two of them. The son felt lonely, as if sayaka had been taken away by the stepfather, and clung to sayaka at that moment. And before he knew it, he had pushed her down...