One year after remarriage, Satoeko, an obedient wife in front of her husband, Tatsuo. However, his son Kenta doesn't seem to like Tatsuo ... Recognizing Rieko as a woman, not as a mother, he often secretly radiated excess libido by her sleeping side. Rieko pretends to be unfamiliar while noticing it. However, his sane deeds are so pitiful that he finally has a relationship. Mother and child, even though they understand that it is a forbidden act, their fierce desires never stop ...