Step-Mommy has been contemplating a big change and wants your opinion. She values your thoughts and was hoping you might have some input on this particular idea of hers. What Step-Mommy really wants is to get big round boobs. You are immediately excited by the thought of Step-Mommy with huge knockers and encourage her to go for it. Better yet, you want to be the one that makes her breasts larger. So, you mention the latest thing you have heard about where a guy's cum can make boobs expand to an enormous size. At first Mommy just laughs off the idea, but once you drop your pants you can see that she is considering it. In the end it does not take long to convince Step-Mom that your cum will give her exactly what she wants. Clip contains: taboo step-mom breast expansion fantasy - blowjob makes Step-mommy grow big boobs - virtual taboo sex - double breast expansion - growth fetish