Rieko has been married for over twenty years. Just as she was starting to think about preparing for her old age after her son got a job, he came home from his black-hearted company completely exhausted and barely functional. Rieko tried to talk to him out of concern but was brushed off, creating a tense atmosphere. Rieko had been masturbating when her son wasn't around, but lately she couldn't bring herself to do it and felt physically uncomfortable. So she seduced her husband into having sex for the first time in a long while, unaware that their son had been watching. One day, Rieko was raped by her aroused son. From that day on…
