Freeuse fetish: Stepmum did not know that her stepson was being naughty

This taboo fantasy of our young lad, sees him having sex with his stepmother. When she reads a book, he grabs his chance and has her give him a blow job then ends up having sex in the doggy style position. The freeuse fetish arises, and he know it’s not just something that he is dreaming about. It's a reality anytime.