Miu is Yuzuru's homeroom teacher, she has a boyfriend she has been dating since college. But due to work, they do not often see each other, and this Sunday is a long-awaited meeting that Miu has been looking forward to. She stays up late to finish work early, preparing for the date. However, unexpectedly, her boyfriend calls to say he cannot make it. Feeling disappointed that her boyfriend prioritizes work over her and frustrated because her sexual desire has not been fulfilled for a long time. Yuzuru's parents are always busy with work, almost never at home, making him feel extremely lonely. Yuzuru has secretly liked his beautiful homeroom teacher for a long time. Every time he sees her, his cock disobeys and gets hard. Each time this happens, Yuzuru has to go to the bathroom to take care of it. On his way home from school today, Yuzuru sees Miu collapse on the road. After inquiring, she says she just needs to go home and rest. Since the teacher's house is nearby, he takes her home. Upon arriving home, Miu falls asleep, her body exposed in front of him without any restraint, but Yuzuru tries to control himself. Only when the teacher wakes up, cooks him a meal, and realizes how lonely she is, Yuzuru can no longer control himself, he wants to bring happiness to the teacher! At first, Miu avoids it, especially when Yuzuru keeps ejaculating inside her. But after feeling his affection, the pleasure from his cock, Miu gradually gives up her position as his teacher, and enjoys the sexual pleasure with Yuzuru, becoming his woman...