Rei, a married woman, has been having a difficult relationship with her husband lately. Before they got married, her husband used to call her by her name, but now he only refers to her as 'hey', while he still calls their pet by its name, which makes Rei feel like she is less than a pet. He also often loses his temper with her, even when she is trying to care for him. Rei is currently working part-time at a convenience store. Himori, a student and also a colleague working part-time alongside Rei, is very innocent and adorable, bringing Rei a sense of closeness and intimacy. Especially, he calls her by her name, which deeply touches Rei. One time, Himori took the initiative to invite Rei out for drinks. A married woman shouldn't go out for drinks with another man, but due to her disappointment in her family life, Rei agreed. She shared her feelings with Himori, and she felt much lighter in her heart. And the two went to the hotel together, with the agreement that they could only fuck once, and two times would count as adultery. And the "once" here was once in the hotel, so Himori got to fuck Rei round after round during the two-hour break. He even gets Rei's pussy cumshot. And since then, the two have maintained this clandestine relationship. Since he was only working part-time, he would run out of salary as soon as he entered the hotel, and the two began to fuck each other at Himori's house, even at the store, even if the customer could find out at any time...