Blonde Gabie "Step-Sister Cover"

Your hot step-sister is asking you for a favor. She really wants to go out tonight but your parents won't allow it, so if you could cover for Gabie, she'd be eternally grateful! She can see you don't look so sure, but what if she helped you with something? You split up with your girlfriend a little while ago, and your step-sister senses you're feeling sexually frustrated lately...