Mr. Mio says that sex life with her husband does not go well and sexual desire is not satisfied. For her, who thinks that her sex life is an expression of affection itself, her husband's too light-hearted sex makes her feel, "I'm not loved?" Meanwhile, she meets her ex-boyfriend again by chance and ends up having an affair. Her pleasure when she realized that she was wanted by a man in that affair and the pleasure of sex became a double pleasure, and she became a prisoner of affair.
