Ass slave girlfriend

Description: Turning my girlfriend into my ass slave: my girlfriend loves to eat my pussy. i always sit on her face while she enjoys licking and eating my pussy. but this time i have a different idea. i want to turn her into my ass slave. so i'm going to start facesitting on her with my ass. she is not allowed to eat my pussy. she can only eat my ass. first, i'll be wearing a thong while i ride her face and i start to get really, really horny. once i'm horny and wet, i'll remove my thong and i will facesit on her naked, rubbing my huge, big, fat ass against her little face. and at the same time, i'm going to use my vibrator to jerk me off until i cum all over her face. then, i'm going to use my vibrator on her and make her cum while she eat my ass. she can only cum eating my ass and this way she will become my ass slave.