My virgin best friend brings his girlfriend to my house, but his inexperienced sex has left her completely unsatisfied. Whenever he looks away, she flashes her panties and rubs my crotch with her foot until I finally give in and fuck her. I try to pull out at the end for my friend’s sake, but she locks her legs around me and forces me to cum inside. If I go that far, I really am the worst kind of friend.