"I finally got my part-time job money!" I looked at the advertisement for a soapland that I usually ignore, but for the first time I saw it. There, I was Kokoro by the beautiful big breasts of Mizuna-san, the most popular, and immediately requested her. ...But to my surprise, the Mizuna-san who appeared in front of me was actually my mother! My mother stopped me as I was about to leave in disdain, and began to use her voluptuous body to serve my son's dick...