Three years into her marriage, her sex life once or twice a month is not enough. Her beautiful body, which has not changed since her teenage years, is starting to feel like a waste. She has had many more opportunities to drink with single female friends from junior college. Frustrated, she often drinks too much. Yui did not hide Kokoro feelings from a man she had never met before who happened to be there with her. Rather than choosing her partner, she felt the utmost pleasure and thrill in having him choose her. She felt deep affection for the men who wanted Yui as a sexual partner, not her single female friends...