Yui had a relationship with her only son while her husband was on a business trip. Knowing it was wrong, she couldn't bear the loneliness of her body. This corrupt relationship between the two continued secretly even after her husband returned from his assignment. Yui was always anxious about when her husband might find out. However, her son... enjoyed the thrill of the situation. Before long, Yui would be assaulted by her son as soon as her husband left…
