Koi has become a full-time housewife after marrying her former boss at work. Her husband is a perfect man, but his only weakness is that he is a workaholic. Because of this, her husband comes home late and Koi spends a lot of time alone. That's when Koi starts a relationship with a man named Yanai. It becomes a daily routine for Koi to stop by his house on her way home from shopping. However, as this happens more and more, Koi begins to seek stronger stimulation from Yanai. To the point where she engages in obscene acts with a stranger...
