My Roommate [F] was watching us [MF]

Before I start the story, I’ll describe everyone first

Me: About 5’6″, long brunette hair, green eyes, fairly thin, and b-cup breasts

My boyfriend: 5’10”, nicely built arms and body with a nice 6 inch cock

Katy (my roommate): Dark hair and dark brown eyes. Also about 5’6″ but a lot bustier than me lol.

I’ve been casually dating Michael for a couple months now, and I’ve been living with my current roommate for probably about a year now. Me and my roommate always had a special relationship, we were always into sex positivity and discussed it often. We were both always at least a little bi-curious but we never really explored that ally much other than helping each other out every once in a while. Like onetime when Katy walked in on me fingering myself, she hopped right in and licked my nipple until I came.

Anyways, one afternoon recently Katy told me that she was pretty sexually frustrated recently. I thought about it for a little while and decided to bring up an idea I had to Michael. I suggested that if he was comfortable with it, maybe Katy could come to bed with us and watch. I knew that he never expected me to ask something like this but I could already tell he had no problem about it. He agreed to my proposal and we started making plans to make it happen.