taboo wife uses your big dick for impregnation trick

You've impregnated your wife and she loved it!! She loved it so much that she wants her identical stepSister to experience being impregnated by you too, and for the two of them to be pregnant together. Conveniently, her stepSister's staying with the two of you... but there's no way your wife's shy 'double' would accept being bred like this. Your wife realizes your huge dick is the key here! With the way your wife describes your size, there's no way her stepSister will refuse the offer to experience your giant cock. Your wife tricks her stepSister with the idea of swapping places during a "virgin roleplay" scene so that way her reactions will be fitting. Little does she know you're already aware you get to play with a new girl, so truly experiencing fresh, tight holes for your monster cock to stretch makes this the perfect situation for you. You love watching your wife's identical stepSister experience cock shock and pure bliss as her cheeks fill with your cum and she drools out loads bigger than she knew were possible. The best part comes when you reveal you're too big to wear a condom. She's aware of the possibility of you impregnating her, but she's already so desperate to feel you inside her that she begs for you anyways. She pours lube all over your big, hard cock and her tight little hole- and it's not hard for her to "fake being a virgin" as you truly do give her a feeling of fullness like never before! She loves it even more when you flood her womb with cum to the point where there's no way she's not pregnant! Afterwards, she returns to your wife, apologetic about how far she went with the scene, but your wife reveals that was the plan all along. Her stepSister isn't even mad, thanks to your big cock, she's happy to continue to be your girl too! ♥