Oh my god! Are you jerking off? I totally caught you! You’re such a total pervert. Ew, there’s cum on the carpet! How long have you been in here jerking it? I’m gonna call mum and tell her what you’ve been doing in here…hold on. What are you watching there? I thought you were looking at porn but those are my vacation photos of me in a bikini. Do you have a crush on me or something? Maybe it’s my big tits? How long has this been going on? You’re in so much trouble. Humiliated by sis for jerking to her photos!