Stealing glances from his father, the stepmother Kana and her son Yuusuke had a physical relationship. Kana was tormented by guilt and a sense of taboo, trying to end this fruitless relationship, but Yuusuke enjoyed the status quo. Yuusuke's youthful libido knew no bounds, becoming increasingly uncontrollable by the day, eventually demanding Kana's body as soon as his father left the house…
