She tells you the only thing hiding up your ass is the best orgasm of your life. You're nervous, but you've secretly always wanted a girl to play with your ass.
Beating you at arm wrestling turned her on. Now that you are the weak one in the relationship, the sissy girl, maybe your girlfriend should take on the role of the man.
That’s right, I’m going to fuck him like the little bitch he is, and make him call Me “step-mommy” as I thrust My thick cock into his little boy booty.