Story goes back a good few years at a time that I was staying in the UK. My SIL and I had been seeing each other for several years on and off. We'd sometimes see each other twice a week, generally at her and the BIL's house when he was working dayshift in the family pub. I used to go in past sometimes on the pretence that I was in the area visiting customers and thought I’d pop in for a cup of tea. These visit mostly always ended up with my cock in her pussy, filling her with my come. Sometimes she'd just suck me off till I came in her mouth and then she'd either spit it out or on the odd occasion, swallow it. This was new to me as the wife only ever let me come in her mouth once, she didn't like it and she's never allowed me to do it done it since. This particular story saw us meeting in an industrial estate outside of the city that we lived in. We then drove to a secluded spot just off a country road that I had scoped out earlier, hoping that it was safe. I took two cheap fleece blankets out of the car that I had bought from a local ASDA store and laid them on the ground in a clearing. Glad we had the blankets as the grass was prickly due to it being an unkept area of land. We started off as we normally did, some small talk about our respective partners and how boring they were in bed most of the time, which was our way of exonerating our actions. We started off kissing and then touching each other outside of our clothes. This was the first time that we had used this area so wasn't sure how secure or private it was. We had been there for around 10 minutes, kissing and touching each other, getting each other turned on as we always did. I used to get amazing butterflies in my stomach when we were together, mostly in anticipation of what was likely to happen. My SIL undid my belt and opened up my fly, placing her hand inside my underwear, grasping my cock in her hand and slowly walking me off. I in turn, lowered her zip on her white three quarter length trousers, undid the button and proceeded to play with her pussy outside of her pants. One thing about the SIL was that she used to get so fucking wet when she was turned on, it was amazing. So there we were lying playing with each other when she stopped kissing me, looked me in the eye and asked if I'd like a treat. I had an idea what it was so said yes. With that, she proceeded to work down my body until her head drew level with my cock and she stuck her tongue out and proceeded to lick the tip of my hard on. Oh WOW, it was exquisite, but I had been used to her doing this for me for several years now, so shouldn't have been surprised but to be honest she was definitely one of the best cock suckers I've ever had the pleasure of being with. After a while she pulled my trousers and underwear further down my legs and then stood up. I thought she was finished but to my amazement, she pulled her trousers and panties down and off one leg and then stood over me. I looked up at her and she simply squatted down in the open air and as she grabbed my cock, pointing it straight at her open pussy, she simply told me to lie back and relax. We all know that's not going to happen as we are men and we generally like to be the ones in charge. She then proceeded to guide my cock to her pussy and got the head of my cock just in past her entrance. She then lowered herself onto me and began to glide back and forth. I couldn't believe that we were taking such a risk outside. Normally we would be in her house, my house, or in the car but this was the first time we've properly fucked outside. It was fantastic. She leaned forward and we kissed as she slid back and forth with my cock embedded in her tight tunnel. I reached up to play with her tits and we began to kiss passionately as she rode me. I was able to hold on for around 5-6 minutes at most before I felt the usual build-up of pressure. I advised her this was the case and she said that's okay, just come in me and that she wanted my come in her all day. I wasn't going to argue and continued to enjoy the attention being lavished on me by her. After about eight or nine more strokes, I stiffened up and began to pump my come into her. She ground herself further onto me and came about 10 seconds after me. I was still semi and slipped out of her. We lay like that in each others arms for a few minutes and then we agreed it was best to get ourselves fixed up. When she stood up a large dollop of my come dripped down from her pussy and landed in her pants. She simply laughed and pulled them up to tidy herself up. We sat on the blanket and spoke for another 5 minutes or so and then said that we had better head back our separate ways. Later that day I met my wife at the mother in laws and guess who was there also, yes, my SIL. She still had the same clothes on that she wore earlier on at our get together. When we were alone at one point I whispered to her that our meeting earlier that day was great. She agreed and advised me that she still had the same panties on and they had my dry come stains in them. Lot’s more stories to tell about our exploits.