Unable to bear her frustration, Eriko had a relationship with her own child. By the time she regretted it, it was too late. Eriko has become a captive of her son after just one mistake. She can't resist the urge to be embraced by her son once more. But tonight, her husband has returned home. The only chance she has is when he is bathing. Eriko decides to put all of her desires into these 15 minutes.