The main bathroom is always occupied so you decide to sneak into your sisters shower to have a quick wank. Except that you forgot to lock the door & she comes right in & totally busts you jerking it. But that's not the worst part... no, she sees your tiny little penis. OMFG and she calls you out on it right away after she bursts out laughing! She quickly snaps a pic on her call phone & teases you mercilessly while you keep jerking it with your thumb & forefinger. She's perfect as the mean college step-sister. SPH small penis humiliation femdom POV mean girls humiliation humiliatrix