Sumire runs a cafe. It's not a busy place with many customers, but it's a place where you can spend a relaxing time. Thanks to her husband, who is the manager, the cafe continues to run despite not making a profit, but her husband's infidelity has also cooled the relationship between the couple. Meanwhile, Kita is worried that his wife doesn't understand the goodness of coffee. One day, Kita meets Sumire at the cafe and Sumire teaches him how to make coffee. Kita is attracted to Sumire, who Kokoro makes coffee, and he ends up having sex with her, even though he has drifted away from his husband.