MGMQ-108 - Father who took advantage of his son's absence to train his son's nympho girlfriend

I've had my eye on my son's girlfriend for a while because she's just so cute. After accidentally witnessing their twisted sex life, I couldn't get the image out of my head. One day, when my son was away, she showed up and caught me watching. Instead of being angry, she pushed me down and started seducing me.