Miu is Yuzuru's homeroom teacher, and she has a boyfriend whom she has been dating since college. However, due to work, they do not see each other often, and this Sunday was the long-awaited meeting that Miu had been looking forward to. She stayed up late to finish her work in preparation for the date. But unexpectedly, her boyfriend called to say that he could not make it. She felt disappointed that her boyfriend valued work more than her, and also felt frustrated because her long-standing urges were not satisfied. Yuzuru's parents are always busy with work and nearly never return home, leaving him feeling very lonely. For a long time, Yuzuru has had a crush on his beautiful homeroom teacher. Every time he sees her, his penis becomes unmanageable and gets hard. Each time this happens, Yuzuru has to go to the bathroom to 'take care of himself.' Today, on his way home from school, Yuzuru saw Miu collapse on the street. When he approached to check on her, she said she just needed to go home and rest. Since the teacher's house is nearby, he helped her get back home. As soon as she got home, Miu fell asleep, the body of her crush appeared in front of her without any defense, but Yuzuru still tried to restrain herself. Only when the teacher woke up, cooked rice for him, knew that she was extremely lonely, Yuzuru couldn't control herself anymore, he wanted to bring happiness to the teacher! At first, Miu avoided it, especially when Yuzuru kept cumming inside her. But after feeling his affection, the feeling of pleasure from his cock, Miu gradually gave up his position as a teacher, enjoyed sexual pleasure with Yuzuru, and became his woman...