True story.
When I was in my early 20s I had an open relationship with my girlfriend Jessica (a few years older) and we had a good friend I’ll call Bill (40s) who was our dom/FwB/bull. Check out my story “Bi Bull turned me” for more details.
We were all good friends but when we played, our roles were Bill as the alpha dom bull, Jessica was his sub and I was the sissy cuck sub to them both. Our roles were only active for a couple hours at a time until one weekend when we all had days off together. We agreed to drive out of town and have fun with our roles active the whole time.