Mommy comes into your room one night, dressed very very provocatively. She talks to you about this game you've been wanting her to buy you. She coyly says how you never do anything for mommy so why should she buy it? Besides, wouldn't it be better if you had a brother or sister to play your game with? She then explains how daddy hasn't been able to get mommy pregnant, so she needs some young sperm and who better to give it to her than you? It's better to keep it all in the family! She let's you suck on mommy's big milkers to get you nice and hard, while talking dirty to you and stroking your penis before she gets you fuck mommy and empty every last drop inside of her!