I [23M] saw my roommate [25M] get his dick sucked by his incredibly hot FWB [F24] [MF]

My roommate and I are pretty close friends and have been living together for about a year. It’s not uncommon for him to bring home a girl every so often and recently he’s being hooking up with this incredibly sexy girl, something out of a movie.

He’s had her over a few times and we’ve all hung out, she’s a pretty cool girl and I didn’t mind her company even if I was three wheeling sometimes. Well one night he had her over and she was gonna stay the night. After eating some dinner and watching show we’ve all kept up with, we went our separate ways to “bed”. I assumed they were gonna fuck at that point so I made sure my door was closed so I could get a good night sleep lol, well so I thought.

At around like 3 am or something I woke up really thirsty. The way our apartment is laid out is our two bedrooms are next to each other and they face out into the living room where our tv is and the kitchen is right next to it. However there’s a small hallway to lead into that living room area from my bedroom and goes in on an angle. I get up to get a drink of water and open the door and walk down that small hallway and see some light coming down and some noises.