Shadows peeking into the bedroom of a couple who work late at night. Sumire married her husband and felt happy every day. She was starving for sex in contrast to her husband, who was getting older and weaker at night. Meanwhile, she ended up living with her stepfather. Sumire thought that her father-in-law was kind and lived in harmony, but she was sometimes worried about her father-in-law's gaze. And at night, the couple's work for the first time in a while. Sumire doesn't get along with her husband who just makes her go a little hard. She is seen by her father-in-law.
