Your whore of a step-sister is coming over for thanksgiving, when she arrives you and your wife can't believe she's almost 7months pregnant! Talking about not sure who the Dad is, followed by how she just joined the mile high club on the flight over with a married guy with a huge pregnancy kink, your stepsister is clearly still the slut you remember her to be. Your wife is infatuated by her pregnant belly and can't help herself staring and rubbing her sister in laws belly. After showing Kelly to her room your wife confronts you, you know this is a HUGE fantasy of both of yours, to fuck a pregnant women together, beside your step sister is such a whore she's likely to say yes. You decide to give in and when your wife starts touching, playing, undressing, kissing, rubbing, fingering, and licking your step sisters wet pregnant pussy the buldge in your pants can't be hidden. And when your wife tells you she wants to watch you fuck your pregnant step sister you can't help but give in and fuck her missionary until she is covering your cock in squirt while your wife smothers her moans with her massive all natural beautiful breasts. Even after filling your step sister full of cum your still hard from all the excitement and your wife rides your cock while playing with Kelly's beautiful pregnant body and breasts until you cream pie your wife, maybe even impregnating her as your stepsister watches?