A couple has been sexless since their child was born. While he was spending his days in agony, his mother came to her son's house to see her baby's face. At that time, the son accidentally sees his mother naked and becomes excited. ``It's definitely not good.'' The more I thought about it, the harder my son's crotch became for some reason. "Forbidden sex" I know is absolutely wrong, but I can't resist it. Because it's forbidden, it's a pleasure that shoots through my brain... How will the mother react to her son's reckless behavior?