Step-Mommy is getting ready for a date with step-daddy, and the whole time she is complaining about how step-daddy never gives her any good dick and she misses Simon. But Simon decided that after he finally 'did the deed' and got step-mommy pregnant that he was going to fuck off and not come home and give step-mommy his huge cock anymore because he was too busy playing fake step-mommy with his girlfriend and giving her all of his cum.
step-Mommy finally struggles into a pair of pantyhose while EXTREMELY huge and pregnant at 37 weeks, she decides that maybe if she oils up her tits and belly too that'll make step-daddy turned on more to give her some decent dick for once -- then Simon barges into the bathroom after being gone for SO long and ignoring all of step-mommys texts/phone calls, with his erection raging in his pants once he sees step-mommy in pantyhose (one of his weaknesses!)
step-Mommy playfully scolds Simon for being gone, especially because he got her pregnant and shes been so fucking horny for his cock and hes been ignoring her, and tries to act like shes mad, but knows that she can't resist her step-sons huge cock. Its not long before step-mommy is ripping a hole in her pantyhose, and riding Simons cock then lays on her back and lets her step-son fuck her really good and hard and blow another one of his huge loads of cum in her creamy pregnant pussy.