Kate has been my fuck buddy for almost a year, we met at a friends party and within a couple of hours we were fucking on the back seat of my car after I offered to drive her home. She is thirty six, nearly twelve years older than me and has a great body. At first we just fucked in the car in quiet corners of carparks or a dark local industrial park. The sex with her was great and we started to use a Travelodge in a nearby town which allowed us far more comfort. I knew that Kate was married but she did not talk very much about her husband, she did however mention a few times that they no longer slept in the same room and he had a drink problem and could turn violent. We usually met about every three weeks and Kate was insatiable, I am very fortunate that my erection does not subside after I have ejaculated, which might be because I spent too much time wanking when I was a teenager. Kate loved to fuck me as I lay on my back with her sitting with my cock inside her and bring herself off to several noisy orgasms. Sometime she would demand that I to go down on her and use my tongue and fingers to bring her off for a final time before it was time for us to leave the hotel. After one of our meetings she complimented me on my staying power and asked if I would like to meet some friends of hers, she said that they were an attractive married couple who were involved in swinging. As soon as she mentioned that they were a married couple, I became interested, it had been a fantasy of mine for many years to fuck a married woman while her husband was watching us. When Kate sensed that I was interested she said that she would speak to them and call me when they could arrange a time for us to meet. A few days later Kate phoned me and said that their names were Carol and Simon and gave me their address and the time I should go to them which would have to be while their young son was in school. The following week I drove to the address which was a large detached house on a modern estate in north London. Kate was right, they were a good looking couple in their thirties, Carol reminded me of a brunette Carrie Mulligan, with short hair and nice looking tits. They invited me in and I sat on the sofa chatting with Simon as Carol made tea. He told me that they had heard a lot about me from Kate and my talent. Carol returned with tea for the three of us and sat on the sofa between us. She was wearing a dark blouse and a tight short skirt. After the tea was finished Simon started to undo the buttons on Carols blouse and asked me to help, I undid the final button and Carol took off the blouse, she wore nothing underneath and lay back on the sofa as Simon and I felt her tits and I sucked her hard nipple. Carol had one hand on Simon's thigh and the other on mine creeping closer to my crotch. She slid down the zip on my trousers and put her hand inside feeling my rigid cock through my underpants. Simon stood up and moved to an armchair facing the sofa. Carol managed to pull my cock out of my trousers and held it in her fist. I put my hand on her knee and she slid down on the sofa causing her skirt to raise up showing me that she had no underwear. She parted her legs, took my hand and pressed to to the dark hair between her legs. Carol stood up and undid the zip on her skirt and it fell to the floor, then pulled down my trousers and underpants after removing my shoes and socks. My cock was like a flagpole and she wasted no time in sucking it into her mouth. I undid my shirt and took it off. I looked at Simon, his trousers were around his ankles and he was slowly wanking his cock. I found it a great turn on to know that it was likely that he would soon be watching me putting my cock into his wife. Carol seemed to be quite happy on her knees sucking my cock and I was certainly enjoying what she was doing to me. Then Simon stood and handed me a condom and said " Would you like to fuck my wife now, I think that she is ready for your cock" Carol took the durex from me and put it over my cock. She stood in front of me and I reached out and cupped her pussy in my hand and slipped first one finger then two into her cunt. She turned to face Simon and lowered herself onto my lap holding her labia open so that I went easily into her. She moved up and down on my cock forcing it in and out until she cried out that she was cumming. When she got off me she removed the durex and resumed sucking my cock , this time I did not try to hold back, when I told her that I was about to cum she squeezed her tits together and pressed my cock between them as I squirted my cream over them. Carol went to the bathroom to clean up and was delighted when she returned to see that my cock was still hard and ready to fuck again. Another durex was found. This time she lay on her back on the sofa with her legs wrapped around my waist as I fucked her for more than ten minutes and she had another cum as I filled the durex with my cum. Simon was very impressed and was even more surprised when a few minutes later Carol masturbated me while talking dirty to me and I ejaculated into the air for a third time. I went to the bathroom and when I came back into the room Simon was standing in front of Carol as she was giving him a blowjob. When he came she swallowed his semen. We all dressed and Carol said that I had to leave soon because they had to collect their son from school. We made arrangements to meet again a few weeks later and after this meeting they asked me if I was interested in coming to one of their swingers parties that they held a couple of times a year. Carol said that they always liked to have a few extra cocks at their parties, of course I agreed. I will try to continue the story about the party soon, it was quite an eyeopener for me.