You finally invite your girlfriend over to your place, your bedroom. She is so surprised it's so clean! She lays down on the pillow and finds something under it, a panty...........She demands to know who's panty it is- being accused of cheating, you finally confess it is your stepsister's! Your girlfriend playfully teases you with a handjob & blowjob while talking about you being turned on by your stepsister panty & wanting to fuck her. Then I get on top to ride you telling you to imagine it's your step sister pussy and to cum insider her!