[MMF] [Group] fucking my roommates

I’m a 32 mtf trans guy and have been living with my (cis) male roommate for a few months. I’ve always found him hot but he has a girlfriend (who is also stunning). She’s over a lot and we’re friendly. About a month ago she was here and wearing a very revealing outfit, I could see her nipples through her shirt and was so turned on. Later her and my roommate were fucking louder than usual so I was laying in my room jerking off and listening to her moan. After a while it got quiet and then there was a knock on my door. It was my roommate and he asked if I wanted to watch instead of just listen.

I immediately agreed and followed him to their room where she was lying on the bed with her legs spread. Her pussy was wet and she rubbed her clit as I sat down on the chair and started playing with my dick. My roommate started to squeeze her tits and rub her nipples while she fingered herself – it was incredibly hot. Eventually he grabbed a dildo and slid it into her pussy, fucking her slowly as he sucked her nipple. Watching her moan and whimper was so fucking hot. I started fingering myself and rubbing my cock as I watched her.