My name is Lisa, I'm 5' 2" and 112 lbs. and I'm pregnant. I really didn't mean for it to happen, but I'm glad it's not my abusive husband's child. Let me start at the beginning:

I was house sitting for my sister while she and her husband where out of town visiting family. I was at her house for the day while I was washing my clothes and taking care of their animals. My sister and I are animal lovers (no not in that way), and I knew she needed someone to take care of them while they where out. Plus it was good to get out of my house for the weekend. My husband and I had been fighting again. Well actually he's the one who's been fighting with me, I don't know why I dated him for six years and then decided to marry him. Nothing has changed since the first fight all those years ago. My husband is a sex maniac. If I'm tired or having my monthly cycle and don't want to have sex he gets like a child who has his favorite toy taken away. Well this weekend wasn't the case, I just wanted to be away from him. I don't know why I didn't marry someone like my brother in law. He treats my sister with respect and doesn't expect sex every night. In fact she's told me that since they have moved out here the sex has gotten better, and his stress levels are down and his penis is thicker and longer. He's about 6 1/2 to 7 inches, and she told me that she's been gagging on his cock when she blows him. She also told me how much more cum he shoots out too. Honestly some sisters wouldn't get turned on by that, but it makes me yearn for my husband to be the same way, and my crotch gets a little wet when I think about it.

So I put a load a laundry in the wash and was thinking of taking a nap. The day was hot and the dogs where tired from playing outside. I went into their bedroom and turned the TV on to fall asleep while watching a movie. My brother in law, David, doesn't like light coming into the bedroom when he's sleeping, so it was dark when I walked in there. I found the closest lamp to the door, which turned out to be my mom's old lava lamp from college. Groovy. I got on their bed and made myself comfortable. I remembered that they had a small battery operated clock by the bed (I had used it a few times that I slept on their couch when visiting). I fumbled around in the near dark and I knocked something off of the table.

"Great" I thought "I just broke something."

I reached down and it was my sister's new vibrator that David bought for her for Valentines day. She told me how it was a gel based vibrator and was styled like a realistic penis, but with these rings on them. I looked at it in the low light and noticed how nice it felt in my hands. It really didn't help that I kept thinking about how much my sister told me it felt so real and was as close to David's cock size. I put it back in it's former place and turned the TV on. I took my shorts and top off and grabbed a over sized t-shirt. It smelled funny. Not a disgusting funny, but a manly smell. Like a hint of old spice. I figured it was my brother in law's and that my sister slept in on occasion.

It didn't take me long to start getting drowsy and the crappy afternoon movie helped make me fall to sleep faster. While I was falling asleep I could hear moans and groans from the TV as a steamy scene came on. Blurry eyed I tried to see what was going on. No luck, the sand man had hit me hard and I was out.

I awoke a few hours later from a very erotic dream. That damn alarm clock beeped just as I was getting it good in both ends. I never had that done to me before and as I laid there on the bed I started going over the dream, I reached down and found myself soaked. I laid there for a few more moments thinking about the dream and how it came about. I figured it was the sex scene I saw before I fell asleep and thinking about the vibrator I knocked on the floor. I thought about my sister and her husband doing it on this bed and how tender his touches probably were. Seeing that my sister and I shared many sex stories from our bed rooms, I figured it was another reason I was so worked up. I thought about my husband and the sex we had together and for a moment I thought about calling him to see if he would come over and give it to me. But after remembering our fight, I opted not to call him. Fuck him let him sit there and jerk his little pud to an Asian porno.

I looked down again and removed my panties. As I lifted up the oversized shirt I was wearing I caught another faint whiff of the cologne. I was turned on by it. I laid there with my legs slightly parted thinking that I should just masturbate to get my urges down. Seeing that I was married, I rarely needed the chance to finger myself. That was unless my husband asked me to so he could get hard. I had a small thought about the vibrator that was sitting only a foot way from me. I thought about how much my sister loved to have it in her. I thought about how cool it felt in my hands as I picked it up off the floor. I knew my sister was a neat freak, and always cleaned. I knew she had probably thoroughly washed her dildo and other play toys. But I got up weak kneed and picked up the purple love toy. I strolled to the bathroom, as if it was leading me, and ran it under some hot water.

"This not only will help get the lint off of it from falling on the floor, but will also make it feel more real" I thought to myself.

I peeked around the corner and saw that the dogs were still asleep so I walked back into the bedroom, and quietly closed the door behind me. I glanced over to the TV and noticed a few pornos that my sister had shown me one day while her husband was at work. I had asked her about a sexual technique and she showed me it on a porno they had bought. So I put it in and gently crawled back up on the bed. Right before I settled down I noticed another toy. It was blue and thin. Like a little ball joined on to a slightly bigger one and continued to do this until it hit a base. I remembered my sister showing me it too. It was an anal toy that her and David used from time to time. It also vibrated. I took it out of the package and noticed it was clean as well. So I scampered off to the bathroom again and ran it under hot soapy water. When I returned to the bedroom the "sex chat phone lines" commercials had ended and the porno had started. I sat there rethinking what I was about to do. I mean, no one else was going to find out. My sister and her husband wouldn't be back until the next day and my husband was helping a friend fix his roof. So, I sat back and watched the movie.

About 30 minutes into I noticed that my pussy was starting to trickle a little bit of lube. I ran my fingers over myself a few times and with the other hand I picked up the "purple vibrating love rod", as I like to call it. I looked at it one last time, hoping I would talk myself out of it. I ran the shaft up and down my slit. It felt good, and my body allowed me to let out a sigh to let me know how good it was.

Then came the scene that my sister had shown me. I was getting hotter. I had placed the dildo butt down on the bed and was rubbing the dick head up and down my slit, when the knob on the end jumped to life. Thankfully it was the lowest vibrating setting and I felt my juices turn to cream. I rubbed the head of the dildo around the opening of my pussy as I pulled the oversized shirt up over my tits. I held my breath and lifted my legs up an bent them so my knees where almost touching my boobs. I reached down and started to guide the biggest cock in my life into my burning pussy. I felt the head slip in and then the first ring. I stopped because I was trying to let myself adjust to the size. I smelled the shirt as I drew another deep breath and eased the dildo further up my pussy. I did this for a few more moments until I felt the fake nut sack resting at the entrance to my vagina. I laid there holding the fake cock with my cegal muscles. I couldn't believe I took the whole thing! I felt it vibrating deep in me as it tickled my cervix.

I was cumming and cumming hard. I put my hand now to keep my new prosthetic lover in me. I was in heaven. My husband had never bottomed out as deep as this dildo did. Hell none of the guys I fucked in school got this deep. I put my legs down and sat up on my knees. I held the dildo in as best as I could but I felt half of it slide out the butt of it rested on the mattress below me. I reached over to the anal toy. Thinking of the dream I had, I placed the point at my little butthole. Relaxing wasn't hard for me seeing that I had just came. So I lowered myself down on the anal toy. At first I didn't know if it was in. I reached back with my free hand and counted how many bumps on the toy was exposed. So far two had gone in. I was excited, because it wasn't hurting. I slowly lowered myself down on the anal toy and at the same time I was sliding back down the dildo that was still gyrating inside my hungry pussy. After a few moments both toys were deep in their positions. I leaned over on my hands and knees and grabbed a oversized pillow that was on the other end of the bed. I propped myself up on it and started sliding each toy in and out of their holes one at a time.

I was doing it! I was emulating my dream. I looked up at the porno and saw this chick getting it in her rear. I imagined it was me. I started grind hard on the dildo, when I caught a whiff of that cologne again. I then realized it was my brother in law's scent. And just as I realized that I let out a loud groan as my pussy spasmed against the deeply penetrated visitor and i ground the anal toy deep in my ass. The whole time I was cumming, I was thinking of David.

I laid there for a few minutes catching my breath. I was sure that I woke the dogs. I got up on shaky legs and let both of the toys slide out of their positions. I went into the bathroom and cleaned them both up and put them back. As I was checking the laundry all I could think of David. If my sister was correct about his cock and how gentle he was, and that the dildo was 95% identical to his, I wanted a part of him.

A few weeks passed and I had thought about my sex adventure off and on. It made me very wet when I thought about it. In the past, my sister and I shared clothes, we shared a bathroom, we even shared the same room when we were kids, but there was no way she would let me share her husband. I had to think of a plan and I had to think fast. The waiting was starting to kill me. I even tried not to fantasize about him when my husband was fucking the shit out of me. Then a few months later came the day I was hoping for. David was celebrating his 30th birthday, and as a big deal we went to this Hawaiian theme hotel for the weekend to celebrate.

As I walked up to the Kona Kai hotel my heart was racing.

"This is it girl, this weekend is when it will happen" I told myself.

"But how?" I answered.

As luck had it my husband wasn't going to stay the last night of the party, due to his work schedule. I walked into the lobby with my husband and met my sister and her husband. They had secured the biggest room months in advance, an apartment suite, and we would both have separate rooms. As we walked in our room, David sprinted up the spiral staircase to the loft where he claimed as theirs. I threw my suitcase into the room downstairs and took in the ambiance of the room. It was untouched from the date it was built. A 1960's "swingers pad" if I could say so. I put on my bikini and threw a pair of shorts and a t-shirt as David and my sister started to get unpacked upstairs. My husband was starting to get antsy and wanted to go swimming, so he left. I heard my sister tell David that tonight she was going to let him do anything he wanted to her to celebrate his birthday. My mind started to wonder.

"Hey kiddo, you coming with us?" David asked as I snapped out of my day dream.

"Sure, I'm ready. Who wants a drink?" I replied.

"That's the best thing I've heard in the past 30 seconds. I hope everyone else has arrived" He jotted back.

We had a great time playing in the pool and talking with other Hawaiian enthusiasts (who David had invited) who had come from around the country. He drank Mai Tais and joked with the other artists and enthusiasts who gathered around us. Later that night after drinking and swimming, we went back to the room. About two hours after we laid down I heard hushed moans coming from the loft. It sounded like my sister was going to get it good. My husband rolled over and as I was lightly brushing my pussy I felt that his prick was hard. I didn't know if he had heard them as well or was dreaming good. I started stroking his hard cock and as my sister started getting a little out of hand. He grabbed a condom and I pulled my panties off and started ridding my husband. I knew my sister was getting closer to cumming, and feeling embarrassed, I didn't want them to hear me and my husband going at it too. So I started grinding hard on him. Just as I heard David groan, I knew he was cumming in my sister, I then felt my husband unload himself into the condom that shielded my pussy from his tiny army. I had brought condoms because I had been on antibiotics and was just a little scared of getting pregnant just yet. I know he didn't like it, but he also didn't want to have children just yet either. Exhausted I rolled off of him and listened to our heavy breathing. I fell asleep thinking of how I could get David's cock deep in me like I had the dildo.

The next day was almost like the other day. But my sister wasn't acting like she was up to speed. I asked her what was wrong and she told me that she thought that she had got the coughing crud that I had the week earlier. She didn't drink any mixed drinks, only hot tea, because she was complaining that she has a sore throat. I told her that she probably did get what I had. I gave her some of my left over antibiotics. She told me that I could get pregnant if i took these and the birth control pill. I told her that I had condoms and asked her if she had any at the house. She told me that she was on the shot and that antibiotics didn't affect it.

Well about 8 o'clock rolled around and she was feeling worse. My husband came up to me and told me he was going to be leaving soon so he could get to bed at a decent time. My sister over heard him and asked if he could take her home. She was feeling worse and was worried about the dogs being cooped up in their kennels. I couldn't believe it. I had my window!

"David?" my sister asked.

"Would you be mad at me if I went home? I don't feel well and I'm worried about the dogs being in their kennels so long."

"No honey, I wouldn't. I would you rather feel comfortable and get some rest. Don't worry about me, I'm going to go to bed earlier than last night. Most of my friends are leaving early and I was going to have breakfast with them and see them off." he said sweetly.

"Okay, I just don't want you to think i ruined your birthday.." She said.

"No baby, last night made up for any bad thoughts you may have floating in your head. Do you need any money for some medicine?" He said.

"No Lisa gave me some of hers, and I have some cough syrup at the house"

"Okay," he said as he kissed her head, "I'll see you tomorrow around lunch time."

We packed up all of his presents and told our spouses we loved them and headed back to the bar. I had been drinking pina coladas all day and I was pretty plowed. About 10 o'clock, David wanted to go back to the room and get some rest. I followed him back to make sure I wasn't locked out and didn't miss my window. We walked in the room and he climbed the stairs to the loft bed, I followed up there and made sure he was okay. We talked about how fun it was and about his friends that he had invited. With a slurred speech he told me good night and I walked back down the stairs. My pussy was on fire. I was thinking of how I could talk him into doing it, I knew he loved my sister with all his heart and if the tables were turned he would love me the same. But the tables weren't turned and I was stuck with a dilemma on how I could seduce him. I went to my room and pulled out my sexiest of lingerie. I took a shower thinking I could talk myself out of it one more time. I walked out of the shower thinking I was just going to bed and as I toweled myself out I noticed the lingerie begging me to put them on. I listened and I could hear David softly breathing as he slept. I picked up the underwear thinking I would put them back in my bag. But the next thing I knew I was straightening the garter belt in the mirror. I looked at myself in the mirror, I looked so cute I wanted to fuck myself. I quietly walked to my doorway and looked up at the loft. There was a dull dim grow from the accented lights up there. I couldn't see him so I quietly crept up the stairs. I was thinking to myself:

"I should at least check on him, he did drink a lot. I hope he didn't get sick in the bed"

I climbed the spiral staircase step by step, listening to him as he softly breathed. When I got to the head of the stairs I could see he was still sleeping in his clothes. I thought:

"Well I could at least get him in his shorts so he will be comfortable."

I looked at him in the dim light. Now David wasn't a muscular man, average build. He was six foot and about 200 lbs. He had strong arms and I had seen him chop wood during the winter. I looked over him thinking that I would actually just undress him and get him covered with the bed sheet. I walked over to him and started undoing his Hawaiian printed shirt. No movement. I got that off and started with his shorts. I got them undone and unzipped when I noticed he wasn't wearing short's but wearing his swim suit. This came to a surprise when I noticed his flaccid member coming into view. He started to shift. I held my breath. He started to mumble:

"Judy, I love you so much, this is the best birthday ever."

I giggled, he thought I was my sister.

"Well baby, we can end it in a bang" I cooed back.

What was I doing!? I thought I had talked myself out of this!

"Sweetheart I love you, I love how you love me" he said.

"I loved you too...baby" I answered back

Crap, if he woke up and realized i wasn't his wife he might freek! I leaned over and kissed him on the lips.

"Shhh, why don't you settle back and get some sleep" I said.

Yeah that's what we needed to do was to just go to sleep.

"But baby, I wanted to do more, I'm not a day older yet" he protested as he reached out to me and brushed my leg. "Oh you put on your sexy underwear for me?" he asked.

"Yes baby," I said, "all for you because I love you."

I moved a little closer as if the underwear was controlling me.

"...And I want that hard cock of yours" my voice sounding a little gruff.

"mmm" he said drunkenly as he started to lift up.

"No no baby, you stay right there. I'll take care of you." I said to him as he settled down.

I took off the rest of his shorts. I figured he would fall back to sleep and I would just sneak out and forget my plan of ridding his hard dick. But I was wrong. When I turned around and looked at him again his dick was starting to get hard. I just stared at it. I was almost the size of the dildo from the bed stand. But not purple and ribbed, of course. I leaned in to get a closer look. I saw him put his head up, but couldn't see his face. That was good because with out his glasses he couldn't tell me apart from my sister. the low light and booze helped as well. I leaned in further and out of reflex my mouth opened and I took the head of his cock in my mouth. I rolled it around in my mouth for a while and slowly went down his shaft. All this time he was getting harder, and deeper in the back of my throat. I couldn't take the size any longer and I asked him if he was ready to go to sleep. He didn't answer. I climbed up on the bed and got closer to his face. he was out again. I looked at him laying on the bed, on his back, totally nude and still hard. Very sweet. I sat there for a moment thinking maybe I could just rub against him. My hormones took over and once my panties were off, I stood there, just staring at his whole body. I moved right over to his bed and climbed up there next to him, taking his penis in my hand and straddling his waist so that he was rubbing against me. And that was pretty much all I'd planned to do.I could at least do that, couldn't I? I figured I'd just use David's penis to masturbate with and by doing that I'd get to an orgasm. I would have gone with half of the plan, David got a secret birthday ride from me and all was safe. So while I was rubbing the tip of David's penis back and forth along the slit of my vagina I kept thinking about how good it had felt before when I'd had the dildo tip up inside me. Well, the more I thought about the idea the more that I liked it. So I settled myself over David's penis, holding it straight up, and then slowly lowered myself down until I felt him start to poke into my vagina. Finally I felt the entire tip entering me. I took a deep breath at this point and tried to calm myself. I wanted to have an orgasm like this, but not really quickly, you know? I wanted to really enjoy this! But then I started to wonder. You know. What it might be like to have David's penis all the way inside me. Well, I suppose you can probably guess what happened now! I kind of lowered myself down a little more, feeling a bit more of my brother in law's penis going into my slippery vagina. My body was betraying me, and I liked it. It felt like I was being stretched out and it was really strange, but I liked it, too. I went down a little more and soon had half of him inside me. At that point I paused, trying to adjust to what was happening between my legs. All the fingering I'd done while imaging him hadn't been anything even close to what this felt like! I wanted to scream out with pleasure, but I knew that would probably wake up David from his drunken slumber and I couldn't even begin to imagine how I'd get out of THAT situation! Trying to explain to your brother in law why you're pantyless and straddling his naked body with half his penis stuffed into your vagina would be a little difficult. But of course half wasn't enough. I went down even further until finally I felt a faint tickle from David's pubic hair. I had him all the way inside me! And GOD did it feel good! Now I was interested in cumming, so I started moving up and down on David's penis, feeling it slide in and out of me. I got a bit of a shock, though, when I stopped moving at one point, but I could still feel David sliding around inside me. I looked down and realized that he was fucking me a little. I wondered if he was awake or anything, but he looked like he was still sleeping, so I guessed it must've just been like some instinct thing or perhaps he thought i was Judy. I didn't know for sure, but it felt good! I stopped moving entirely and just enjoyed the feeling of my brother in law fucking me in his sleep. It wasn't too much longer after that, that my vagina began contracting hard around David's penis as my orgasm started. It was such an incredible orgasm! MUCH better than ANY I'd ever had before! Much better than the dildo! My brain just like completely froze up as it happened! Then David started fucking me a little harder. So hard that he was like lifting me up off the bed! Suddenly I felt his penis twitching inside me and there was this feeling of warm splashing happening in my vagina. It seemed like David was having his orgasm, he was emptying his seed in my womb. My womb that i had been protecting from my husband because of the... Oh SHIT! The antibiotics! I felt a shudder go up and down my spine. My eyes closed reflexively, my body shuddered from head to toe, and I groaned as my orgasm overtook. My eyes were fluttering open and closed as I shuddered in tremendous relief. As I felt his prick pulsing inside me as I let out a mighty "Awwwwwwwwhh. Uhhhhh!"

In a little bit, my orgasmic fogged mind began to function again and I realized my brother in law had been coming inside me as I orgasmed. Even with that sobering thought, I couldn't make my body stop having the release it needed and in spite of my conscious will, my body insisted on keeping David's prick inside me until my orgasmic release had been completed.

When I finally raised up, David's cum-slick dick plopped out and a flood of my own juices and white milky cum flowed back out of my sperm saturated pussy saturating David's balls, groin, and pubic hair. I very carefully got off him, feeling kind of empty as his penis slid out of my vagina, and grabbed my panties and went back to my bedroom. When I got in here, I felt around and grabbed a pillow and placed it under my butt. I figured that if I was probably knocked up, so why bother fighting it. As I laid there with my ass in the air, feeling his potent sperm sloshing in my pussy, I figured that i would have unprotected sex with my husband when I got home and took a pee test to make sure I was really pregnant.

So did my new plan it work?

I hope so. I'm sitting here 6 months pregnant as I type this and I'm I know it's not my husband's. And he doesn't have a clue. David never found out about that night. Afterward I cleaned him up and covered him in his sheets and he has never acted as if he knew. Atleast I know that the baby kicking in my womb will one day satisfy a woman just his daddy did.

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        10 
[#5571] Lisa_Marie ( 1640 days ago )
Lisa_Marie avatar I just realized my husband commented on this story. I don't know if he liked it or if we forgot to sign into his own name. Amani, thanks for the compliment. The good part got bound together for somereaon. My apploigies.
        10 
[#5571] Lisa_Marie ( 1640 days ago )
Lisa_Marie avatar This story made me hard as steel!
        10 
[#5571] amani ( 1640 days ago )
amani avatar Really good story. I imagine this happens to many women.
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