Sumire ran a cafe. Although it was not a lively shop with many customers, it was a place where you could spend a relaxing time. Thanks to the help of her husband, who is the manager, the cafe continues to run even though it is not profitable, but the relationship between the couple has deteriorated due to her husband's affair. Meanwhile, Kita is worried that his wife doesn't understand the goodness of coffee. One day, Kita meets Sumire at Sumire's cafe and learns how to make coffee. Kita is attracted to Sumire, who carefully makes coffee, and ends up having sex with her, who is emotionally separated from her husband.