Ever since her husband passed away, she had been wasting her body. She felt like she wanted to be held by anyone. But she never imagined that she would end up having a relationship with her daughter's husband... Kaoru was tormented by regret and guilt. And yet, when her stepson asked her, "Can I come to your room tonight?", she couldn't immediately refuse. She felt bad for her daughter, but the throbbing of her body uncontrollably aroused her desire. So Kaoru whispered to her stepson, "Come in so no one finds out"...