Ryo's husband is a clean man and is very serious. A year ago, when she went for a fertility test, the results showed that her husband's sperm had problems. Since then, her husband has had less sex with her, and in half a year she is no more. Recently, Ryo also found out that her husband was having an affair. Today the air conditioner suddenly stopped working, and she immediately called someone to fix it. Before the repair was finished, Ryo's husband immediately left the house even though he was on vacation. Knowing that her husband was having an affair, it was hot, and the heat kept coming. Ryo went to another room to masturbate, but was unfortunately seen by the air conditioner mechanic. She immediately stopped him from leaving, and took the initiative to invite him. Although he feels guilty, he can't resist Ryo's attraction. After that time, although he wanted to refuse, the air conditioner repairman surrendered to Ryo's initiative. Even when her husband had admitted his fault and begged her for forgiveness, she still couldn't forget the air conditioning repairman and called him over in the middle of the night, sleeping with him while her husband was sleeping in the next room...