Shoko and her son had a forbidden relationship. Although they knew it was forbidden, her son was addicted to Shoko's voluptuous body, and Shoko was addicted to her son's caresses, which thoroughly stimulated her nipples, which are more sensitive than anyone else's. Eventually, their crazy relationship escalated. Whenever the father was away from home, they would seek each other out and meet up at home. They used various nipple-stimulating tools...