(This was originally filmed as a custom video, and the name Greg is used throughout) You're in your room, jacking off, when your step-sister walks in and interrupts you! You both freeze in shock, but instead of apologising and leaving, your step-sister stays staring at you! After a few seconds you begin slowly stroking your cock again, and to your surprise she keeps watching you, seeming fascinated. She inches closer to you across the room as you jack off, ending up sitting next to you on the bed, watching intently... You keep stroking, unsure of what will happen next, and she gradually wor... Show more