My Sister in Law

My Sister-in-Law

This is a story of how I got my sister-in-law pregnant, not once, but twice.

I'm Mike. My wife Karen and I dated in high school and married young at 23 years of age. As soon as we saw each other, we both knew we would be together for the rest of our lives. It was genuinely love at first site. Karen's younger sister Rachel is also a beautiful person and a stunning looking lady. Rachel is only 15 months younger than Karen. Rachel and I have a strong connection and we flirt harmlessly all the time.

Rachel met her husband David a few years ago and the four of us have become remarkably close going on holidays together and out on the town at least one night each week. Life was good and we were all getting ahead. All four of us had good jobs, and Rachel and David bought a house in the same neighbourhood as ours which meant we could walk to each other's houses. Quite helpful after a dinner party with a few too many wines.

As life progressed the conversation turned to children and when Karen and I were both twenty-eight, we received the awesome news that Karen was pregnant with our first child. We were beyond excited as our life was about to enter a new phase. Karen also told me in confidence that Rachel and David were also trying to for a child.

Nine months later Karen gave birth to the most beautiful girl in the world and our lives felt more complete. Rachel and David on the other hand were not having much luck conceiving.

The months rolled around quickly and when Alice, our little girl was 6 months old, Karen announced she was pregnant again, this time with a little boy we named Harry in her womb. Life was good for us, and we were incredibly happy.

Rachel and David on the other hand, were not so happy. They had wanted their kids to be the same age as ours so they could grow up together. Their doctor evaluated them both and concluded there was no reason they could not conceive and to be patient. Patient they were but they had been trying to get pregnant for 2 years. At times, the doctor said, even perfectly healthy partners struggle to get pregnant.

David was taking it hard. He felt like a failure and started drinking heavily and became depressed. He was on a downward spiral, and we were becoming worried about him. Karen and Rachel asked if I could take him away with some of my friends on a golfing weekend to see if we could cheer him up. That was arranged and to make a decent job of it, we made it a 4-day trip away.

The golf was fun, the group of friends were fun, and David was having a relaxing time. We had lots of laughs and banter. It was just what the doctor ordered for him.

On the last night, David and I were sitting on my balcony watching the sun set. David was reflecting on the best round of golf he had had for many years shooting a two over par seventy-four. It was one of those days when the putts dropped in from everywhere. Eventually, the conversation turned to our children and the fact that David could not seem to get Rachel pregnant. David asked me how long it took Karen and I to conceive. Honestly, I said, it was on the first try for the first and the second one just happened without us planning anything. I was not game enough to tell him then, that Karen was pregnant with our third, which was planned, and that was also on our first try. I felt sorry for David, poured him another beer, and said things will turn out simply fine for you mate, and just to relax and it will happen.

David turned to me and said, can we have a serious conversation please. I said of course. There was a look in David's eyes that caused me slight concern. He said Mike, can I ask you to do me the biggest favour a mate can do for another mate. Can I ask you to get Rachel pregnant please? I spat out the mouthful of beer I had in my mouth and chocked. What I said. What, how? Really, I said. What about Karen and Rachel. Neither would ever agree to that. Not in a million years.

David was calm and he went about telling me exactly how it would happen. I was gobsmacked. He had been thinking about this deeply and unbeknown to me, had already started planning for the possibility of me getting Rachel pregnant. This is how it would happen he said.

Rachel and I have been changing things up in the bedroom. The doctor said the more relaxed we were, the more fun we had, the better our chances to conceive. So, we have been playing a few bedroom games. Our latest game is that I tie Rachel up, hands to the bedposts and I blindfold her. She loves the sensation of not seeing what I am going to do next. I often suck her toes, lick her clit, spread her legs wide and fuck her slowly. When I cum in her, I stay inside her for a couple of minutes making sure the cum settles. When I withdraw, Rachel puts a pillow behind her legs to keep as much of the cum in her as possible. David said that has been our routine for this past couple of months.

He looked at me and said, we are the same size. He handed me his after shave and a pack of the gum he was always chewing. He said Mike, it would mean the world to us if you would do this for me. And he said, Rachel and Karen would never need to know. It would be our secret for life. I just sat there with his aftershave and gum in my hands thinking about what David just said. I did not see this coming I told him. Please said David, just think about it. Promise me at least you will do that.

The drive back to the city the next day was a quiet one. When Rachel and David came around for dinner on Friday night David was in good spirits and Rachel and Karen seem pleased with me. Our golfing trip seemed to have done the trick. That was until Karen announced she would not be drinking that night as she was pregnant with our third. That changed the mood and while Rachel and David said how happy they were for us; their body language was altogether different. They said their goodbyes at 9.30pm which was early as we usually drank and talked into the wee hours.

As I said my goodbyes, David turned to me and all he said was 'please'. I went back inside; Karen went to bed, and I sat in my den swirling a glass of whiskey and listening to the sound of an ice cube hitting the whiskey glass. I love that sound. That night I noticed how beautiful Rachel was. She had a near perfect body, long black hair, and lovely pert breasts. Her face was beautiful. She could have been a model if she had not become a computer scientist.

The next day, David and I met for lunch. He sat down and said that one word once again, 'please'. Do you I said, promise me on your mother's grave, that if we do this, only you and I would ever know. In my heart I knew Karen would never agree for me to do this. If she found out, it would end our marriage for sure. I told David what he was asking me to do was risky and was that I was scared. He sat there and all he said again was, please Mike, please. I looked him in the eye and mouthed the word OK. His face lit up with a massive smile. I knew how much having a child meant to him.

That is when we started to plan in more detail. To plan the moment, I would fuck Rachel and cum inside her to get her pregnant. David knew Rachels menstrual cycle well, in fact he had an app on his phone which showed the days of the month she was most likely to get pregnant. He worked out next Sunday was the best day, so the finer details of the plan were put in place.

Here is what happened. It gets dark where we live at about 6pm and I put on my running gear then. As I was training for a half marathon, I would often go for 90-to-120-minute runs. I told Karen I would be running for a while and she said enjoy yourself honey. I stopped by my car, applied David's aftershave, started chewing his gum and jogged over to his house which was less than a 5-minute jog away.

As planned, the gate to the back of the house was unlocked. I opened it and walked around to the back of the house. As planned, the back door was unlocked, and I quietly went inside. My heart was racing, and my cock was twitching as I gently climbed the stairs. David was playing music in their bedroom; I assume from Spotify. The door was opened just as he said it would be. I quietly walked into the room. The site before me was truly unbelievable. There was Rachel, naked on the bed, each hand tied to a bed post, a thick blindfold on, legs spread with a naked David licking her out. I got instantly hard.

David looked over to me and I was pleasantly surprised to see for the first time that Rachel had a thick bush of pubic hair. I like that look as to me it makes a lady look more like a woman. I had insisted Karen keeps hers natural over the years and it seems like the sisters were matching each other.

I quickly got naked and was shaking thinking what was about to happen. David was kissing Rachel and whispering how much he loved her. He whispered he was going to take a sip of water and gently got off the bed. I replaced him and immediately went down on Rachel, licking her sweet hairy pussy and clit. She responded immediately with heavy breathing and mouthing o my god and yes, yes, yes. David and I had not specifically discussed me going down on Rachel but when I saw that beautiful bush, I just could not help myself.

After a few minutes of licking (and a nice organism for Rachel), I positioned my cock at the entrance of her cunt. I playfully slapped her outer lips with my cock, placed my tip at her wet entrance and slowly pushed my cock inside her. O my god Rachel said, that feels amazing David. Fuck me honey, fill me up with your cum. I started to pump my cock in and out of Rachel slowly at first and then I built up some speed, trying to mirror how David said he fucked his wife. Rachel was tighter than Karen (that is what a couple of kids does to a lady), and I was enjoying the way her cunt mussels were grabbing at my cock. Fuck David she said, you feel so big tonight honey, and she responded to my every thrust.

I almost forgot David was in the room. He was standing there with a big hard on wanking himself like crazy. He also had a big smile on his face. It turns out that David was enjoying watching me fuck his wife.

I really gathered up pace and could feel my cum building and within a few seconds I was cumming hard inside my sister-in-law. Rope after rope of cum exploded from my cock deeply inside of her and at that moment, I wondered if I had just gotten my sister-in-law pregnant. I just lay there spent, my cock twitching inside Rachel and knowing their routine was for me to stay inside her for a couple of minutes.

She reached out and pulled me to her for a tender kiss. The smell of her husbands after shave and the taste of his chewing gum gave her no clue that it was not her husbands cock twitching away inside her or her husband's lips she was kissing. I love you so much David she whispered.

At that moment the unexpected happened. When I say unexpected, I mean, the most unexpected thing of my life. David walked over and ripped the blindfold off. There I was, looking right into the eyes of Rachel, my sister-in-law, who I had just fucked. I was confused but also slightly relieved although I did not know why at the time.

I gently withdrew my cock from my sisters-in-law's pussy, and I watched as she positioned a pillow under her butt to effectively lift her legs up to keep my cum inside her. She had a smile on her face. She said Mike honey, that was some of the nicest sex I have ever had. Thank you for arranging that. I watched as David crawled up beside Rachel on their bed and started gently kissing her and playing with her nipples.

David turned to me, as did Karen. David said that Karen had known of the plan all along. I could not keep this a secret from her Mike he said. I hope you don't mind. Of course not I said (although still a little surprised with what had just happened), now it's the three of our secret that's all.

I quietly dressed and left the house the way I entered, this time locking the gate as I left. I went for a 5k run before returning home all hot and sweaty. As I opened the front door Karen greeted me with a nice wide smile. Prangs of guilt flashed through my body but also the image of David's smiling face and Rachels satisfied look.

Karen said, have a shower big boy. You are about to get lucky because I am horny. Believe me, I had no trouble getting hard again and giving my pregnant wife a through fucking. Images of her little sister were fresh in my mind and to think I got to cum inside my sister-in-law and my wife within a couple of hours of each other on the same day, blew not only my load, but also my mind.

A few weeks later when David and Rachel came over for dinner, David poured champagne into our glasses (but not in Rachels). Guess what he said, we are going to have a baby...

To be continued.