A middle-aged man falls in love at first sight with Miori, the cute girlfriend his son brings home. In his dream, Miori pressures him into having sex with her and he ends up ejaculating inside her. However, in reality, he never thought he would ever have anything to do with his son's girlfriend. One day, Miori comes to him for advice about the discord between her and her son, and Miori begins to make aggressive advances. It turns out that Miori likes older men. And so the middle-aged man's dream turns into reality...