[JUR-734] I, who is a total hit with her mother's overwhelming sexual desire, secretly gave her erect dick over and over again...

I was invited to my girlfriend's house for the first time, where I've been dating for half a year. Her mother, Ryo, greeted me with that moment. Seeing her stunning figure and attractive suit, I couldn't help but feel nervous and excited, ignoring her. Ryo-san was an insurance agent, and while I was jokingly asking, 'Is Shinji-kun thinking about your future?' while I was soliciting insurance. I had fallen for the adult allure and my crotch was rock hard, but Ryo-san noticed and helped me clear up with a fingerjob so she wouldn't notice. From then on, Ryo-san calls her out at every opportunity, and they keep meeting without telling her...