I need to give you just a little background before I tell you about last weekends fun. I was a single child until my father married my step mum. She moved in an brought Jules her horrible son with her. I was eight and he was nine and he bullied me. At nineteen he got Kirsty his gorgeous girlfriend pregnant and they moved out into a flat together. I was jealous and envious of him to have such a gorgeous wife. Then I met my wife to be. We did see them occasionally but I still didn't really get on with Jules so I didn't make much effort to reach out to them. One other thing we had learnt was that Kirsty had lost the baby and was unable to conceive again due to complications. Like them we were childless, but from choice. Back to last weekend. As things have improved so much with the virus and we are double vaccinated we got invited to our first sex party for such a long time. Yes Roz and I have been into the life style since our early twenties and now nearer to fifty than forty we had missed the swapping. Roz had answered for us and said we would be there. We were told everyone there would be double vaccinated and we were the fifth and final couple to be invited. In the past up to a dozen couples would attend Heather and Ron's parties, but they had decided to start again on a smaller scales. Then a few days before the party Kirsty ended up on our doorstep in floods of tears. I hoped it was something that had befallen Jules and perhaps he's seriously ill or dead. Cruel of me, well you can't imagine the grief he gave me growing up. But it wasn't anything like that, they had just had the most horrendous row and Jules had hit Kirsty and she had left him, but had nowhere else to go. The only family she had was her mum and sadly the virus had taken her quite early on. Kirsty told of Jules domineering and bullying plus the isolation and controlling ways with which he treated her. Knowing what I went through it didn't really surprise me, only how long she had put up with him. We couldn't refuse her and we settled her into a spare room. She was still a beautiful looking woman and her perfume was quite exotic and alluring. That night in bed I reminded Roz that we were going to the party on Saturday and what were we going to tell Kirsty, "Sorry Kirsty your on your own for the night as were off for a bit of wife swapping. Sorry about that," perhaps. Roz first reaction was to say that we would just have to forfeit the invitation. I told Roz no way, I was really looking forward to the party and I knew she was too. Roz said then it was up to me to tell Kirsty something, and I had just two days to do it. I waited until I was on my own with Kirsty and started by telling her we were out on Saturday night with friends at a small gathering. She immediately got the wrong end of things and said, "Oh good I'll look forward to meeting new people." I thought for a few minutes at how I was going to get out of this mess. I started by telling her it was all couples. Her response was that it was ok with her. In the end I came straight out with it, "It's a swingers group were going to." Kirsty sat quietly for a few moments, and then said that she would look forward to it. To make sure she was fully understanding I was blunt in saying that everyone there would be fucking other peoples wives or husbands. She again said she would look forward to it. Roz was stunned when I told her about the conversation and how it went. I told Roz that I hoped she was ok with it and that if I got the chance I wouldn't mind fucking her and getting one over on Jules. Roz gave me one of her looks that said trust you. Well she was ok with it and last Saturday we arrived and were let in by a surprised Ron who looked worried. He asked about vaccination and Kirsty assured him that she like us was double jabbed. Soon all the couples were there and it turned out that Ron had devised a sort of game to get things rolling. The women were meant to each go to a bedroom and wait for their new partner to arrive. We now had one more women than bedrooms and Ron declared that wherever I went I had to take Kirsty with me. I definitely wasn't averse to that. The game was that each room had a number on it and Ron had a pack of questions that had a room number on it. If you got the question right you went to that room number. Trevor asked what if it was your own wife in the room. Ron just smiled and answered that would be unfortunate but that was what it was. In my case Kirsty and I would go together to that number and engage with the occupant. I got the third question and it was one on sport. It was no surprise to me that I had no idea and got it wrong. When the questions finally got back to me, there was just me and Ron left. I knew the answer and was told I had room four. Kirsty and I made our way up the stairs to room four. On entering the occupant was Selina. I had slept with Selina quite a few times and liked my prize. She was under the duvet and completely naked as I soon found out. I started to undress and Kirsty looked just a little startled but followed suit. She was naked just before me and shuffled into bed next to Selina. To my surprise and Kirsty's, Selina immediately kissed Kirsty and although I couldn't see under the duvet Selina's hands were stroking Kirsty all over. All I could see was their kissing and movements under the cover. Boy did my cock jump to attention, especially when I saw that Kirsty far from pulling away was joining in and kissing back. Unknown to me yet, Kirsty's hands were mimicking Selina's and stroking Selina back. Now undressed and having a real boner I told them to make way for me me. I crawled up between them under the duvet from the foot of the bed. They parted to give me space and then I rolled over onto my back. Selina was first to kiss me and grab my cock as I fingered both their pussies. Then I was kissing Kirsty and Selina reached over for Kirsty's hand and directed it to my cock. We played with me kissing one then the other and as I fingered them I had a hand playing with my cock and another on my balls rolling them around. Whilst it wasn't my first time with two women the fact that one was the wife of my step brother seemed to make it the more exciting and taboo. It was time that my cock got some more action and I asked both women to kneel on the bed for me. I had them together with their pussies pointed towards me as I now stood on the floor behind them. Before I had time to mount one of them Selina was the dominant one again, and turned her body enough to be able to kiss Kirsty. Kirsty also turned to make it easier to kiss with Selina. I was enjoying this and was fingering both pussies. They were both quite wet and definitely ready for my cock. I decide to take Kirsty's pussy first as I wanted that one up on Jules, and before Kirsty changed her mind and also because I had slept with Selina before. I heard Kirsty groan into Selina's mouth as my cock penetrated her pussy. I was fingering Selina's pussy as I pumped Kirsty a dozen or so times before swapping over and fucking Selina and fingering Kirsty. After a dozen or so pumps I swapped again and again. I knew I probably wouldn't be able to satisfy both women but there were four other men in the house that would be more than willing to help out when they had finished with with their current partners. I could feel my cum boiling and getting ready to erupt into one of their pussies. I swapped one more time to make sure it was Kirsty that got my load. Even before I had finished Ben was in the room and replacing my fingers from Selina's pussy with his own. I staggered away to sit on a chair to recover from my efforts. Ben was now fingering both pussies and the women were kissing again, having stopped when the real fucking began. After a short while he asked them to turn around and when they did he asked them to suck his cock. I could see Kirsty hold back. I wondered was it because he was a complete stranger or that fact that she probably realized that his cock had recently been in another woman's pussy or that she just doesn't like sucking cock. Selina however had no hesitation and was swallowing as much as she could. Then she stopped and offered it to Kirsty. Kirsty licked and sucked the head for a while and then suddenly went for it and swallowed most of it. Ben declared that Kirsty was a good cock sucker. It certainly looked like it and I thought to myself that I must give her a try before she goes back to Giles. Ben was getting hard as was I watching the women now taking turns sucking Ben's cock. Then Ben asked them to turn again and like me slipped his cock into Kirsty first. Like me he had fucked Selina many times, and probably felt that it might be his one and only time to have Kirsty's pussy. As he started to pound Kirsty I wandered away looking for another partner. I found Heather on her own and was soon making out with our hosts wife. Again I had slept with Heather a fair few time and knew she was into anal. Her first partner of the night hadn't been there as when I fingered her arse she was still very tight and groaned telling me to be gentle as it was a long time since her arse was fucked due to the virus. Ron doesn't like anal. She told me that there was some lube in the bedside table. I lubed her arse well, pushing plenty inside with my fingers. before lubing my cock and slipping gently into her arse. Heather let out a long groan and then started to push back onto my cock. We had a fantastic fuck long fuck and was crashed out cuddling when Roz found us saying she was done for the night. Heather gave me a lingering kiss before I got up and went to get my clothes to dress. Roz was already dressed and when we entered the room Ben was no longer fucking. It was Ron now banging away at Kirsty's pussy. Ben and Selina watched as they cuddled together. Kirsty was groaning loudly and her pussy was farting with each lunge from Ron's cock. I sat on the chair having dressed and Roz sat on my lap. I could feel my cock stirring, but I knew Roz just wanted to go home. We watched as Kirsty came and then Ron followed pumping his load into Kirsty's pussy. Shortly afterwards Kirsty dressed and the three of us said our goodbys and traveled home. On the short trip home Roz asked Kirsty how she enjoyed the party. Kirsty answer was to ask when the next one was. That seemed a pretty good yes to me. Back home I'm not sure how it happened but all three of us ended up in our bed. I was whacked and fell asleep almost immediately. I awoke to the sun streaming through the curtains and Kirsty's hand holding my hard cock. Seeing I was awake she shuffled under the duvet and sucked my cock into her mouth and proceeded to bob up and down on my cock. Roz woke and instantly knew what Kirsty was doing and joined her under the duvet. After a while Roz got up saying she would leave us to it. I was soon between Kirsty's legs banging the hell out of her sexy pussy. It was a good start to the day. Then it went down hill. After breakfast the phone rang. It was Jules ringing asking if Kirsty was with us. I looked at Kirsty who had guessed who it was and took the phone off me. The main words I remembered was, "Get stuffed," just before she replaced the receiver. It was under thirty minutes later when he was hammering on our door. I stood between him and Kirsty. I was surprised how much she had changed when she stood up to Jules and told him it was over and should he pester her any more she would seek the assistance of the police as well as getting a restraining order against him. Jules went to push past me to get to Kirsty and I also stood up to him and pushed him back reminding him that it was my house and he wasn't welcome either now or in the future. I was relieved when he left as he had often bashed me in the past. That was last Sunday morning. Roz and I usually make love two or three times a week, four if I'm really lucky, but this week has seen me making love to one or other of them every day over the last week and a few times both of them in the same day. Roz seems quite happy with the recent changes to our family, which looks to be becoming long term as Kirsty has just got a job at the supermarket where Roz works. Looks like I might need another party to get some respite.