Mina, a nursery school teacher who is so lewd that she even has sex with the parents' fathers, shows off her lewdness as much as she asks for it herself, as she humiliates and heightens herself by exposing herself to the man's commands, probably due to stress from work. It was so erotic that I let it out over and over again. At the end, she cleans herself after letting it out on her big breasts...