I had met Ron about six months earlier. My girlfriend Sue introduced me to Ron and his wife Carla. Our friendship had developed into a totally sexually uninhibited union with no reservations. We had swapped partners, watched Sue and Carla go at it and ultimately Ron initiated me into bi sex with him. We did all of this with all four in the same room, sometimes splitting off, and sometimes just two or three at a time. I became more comfortable with Ron and he and I would often meet once or twice a week.
As the weeks passed by, Ron assumed more of the alpha male role and I started to get more in touch with my fem side. Ron and I had similar bodies at six feet two but he was much more muscular and worked out frequently. As time went by, in our one on one meetings he would ask me to dress for him. Often this was wearing a pair of Carla's panties, usually a lacey thong. I enjoyed dressing up for him and when we would have sex, he always called my ass his pussy. He would suck my cock and I sucked his, but only my ass (his "pussy") was getting used. The more we had sex, the more vocal Ron became, asking me how much I loved being fucked by a real man, and could I take more. Ron was about seven inches so he certainly felt good, but I could take it all with ease. I loved taking him doggy style but really liked being on my back with Ron holding my legs up in the air. I liked looking at him as he fucked me and told me what a good slut I was and how he was going to pound his pussy and fill me with cum.
One Saturday, Ron called me and said Carla was out for a few hours and to come over for some fun, I quickly showered and ran over to his apartment. When I got there, Ron told me to go into his bedroom, put on what was on the bed and come out to the living room. I went into his room and saw a pair of bright pink panties. Of course they had a thong back. I put them on and took a quick peek at myself in the mirror. I always prided myself on having a great ass, and I really did look good in this pink thong.
I walked out into the living room ready to model my thong for Ron only to see another man sitting with him on the sofa. I turned and started back for the bedroom when Ron said stop. I did so. Ron instructed me to model for both of them and told me that this was his friend Denny. That name rang a bell since I remembered Carla talking about a man named Denny that she and Ron had met at a swingers party. I remembered her saying he had a huge cock.