Keep It In The Family (family sex)

Ada's sex story
Once fully engaged she started wildly pumping up and down, with her tits wobbling in my face. She moaned loudly as she worked away and I could tell she was close to coming a third time. I felt her lips tighten and contract which set me over the top as I planted my seed inside her warm pussy.



My wife comes form a large family with 4 sisters. When I first met her it was her younger sister that I was attracted to but she was attached at the time so Mary and I hooked up. Well fast forward 30 years and Mary and I and her younger sister, Julia, and her husband are all at the beach house for the summer holidays. We have just returned from a relaxing down at the beach and are enjoying some wine on the back patio, still in our swimming costumes.
My wife has maintained a good body over the years, and so has Julia. Both are wearing bikinis which highlight their assets.
After a few glasses of wine Julia says she would like to work on her tan and did we mind if she took her top off. I looked at Mary who asked are you okay with this, to which I replied sure. So Julia reached behind and untied her top before slipping it off. She then said to Mary, so come on don't you want an even tan as well?
Mary was hesitant, but with some encouragement from me and John, Julia's husband, she removed her top also.
Well a few more drinks and the courage had built up so I suggested why don't we all work on our all over tans. The girls asked what do you mean, so I laid a towel on the patio and lay down on it and pulled my swim trunks down. John followed suit and stripped down. It looked like John was well endowed and perhaps an inch or two bigger than me, and a fatter girth. Mary and Julia looked at each other and said what the heck, and dropped their bikini bottoms.
I commented to Julia that she still had a great body, and that she has always been my favorite sister-in-law, and if she wasn't attached when we first met then I would have fancied her - Mary already knew this so wasn't surprised. What was surprising though was Julia's reply when she said well don't let that stop you, John and I have an open relationship and Mary has a great body also which I'm sure John would love to get to know.
I looked at Mary and her, knowing I always had a question as to what Julia would be like making love to, said well if you're okay with it then so am I. I didn't need any more encouragement so moved over beside Julia and started massaging her back. As I slowly moved down her back to her buttocks I noticed she moved her legs slightly apart, and I could see her well groomed pussy. In the meantime John and Mary were doing some heavy petting when Mary suggested why don't we take this inside. John and Mary headed to Johns room while Julia and I headed to the Master bedroom.
No sooner had we got to the bed than Julia lay on her back and spread her legs. The sight of that beautiful pussy almost had me coming on the spot so I knew I had to work on her before I shot my load. I kneelt down and started kissing her toes. I slowly worked up her legs and by the time I got to her thighs she was moaning gently and there was a light glistening of juices around her pussy lips.
I moved up and started sucking on her clit as I also gently slipped a finger into her now soaked pussy. She immediately shuddered and came. I continued sucking and licking up her juices as she reached down and grapped hold of my now rock hard cock. We moved into the sixty nine position as I continued to eat her pussy while she sucked my cock. Soon I could hold out no longer and shot my load, just as she reached another climax. Julia sucked me clean then we lay beside each other. She said she had never been blown like that and had never swallowed cum before as John was not into oral sex. I told her any time she wanted it I was always happy to oblige. With that she said what she really wanted now was to be fucked hard, and with that she grapped my cock again and worked it until I was hard and ready to go. She then climbed on top of me and slowly lowered her lips around my cock. As I entered her I felt the warmth of her pussy envelope my cock. Once fully engaged she started wildly pumping up and down, with her tits wobbling in my face. She moaned loudly as she worked away and I could tell she was close to coming a third time. I felt her lips tighten and contract which set me over the top as I planted my seed inside her warm pussy.
After we cleaned up we got dressed and returned to the patio where John and Mary were already waiting. Later that evening I asked Mary if she had a good time. She said John was only into straight out fucking and didn't seem to have much other skills, but his cock more than made up for that with the size, and that she felt sensations she had not had before.
Hopefully this is the beginning of new summer experiences with the in-laws :-)
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