I found the key where my sister-in-law Carmen told me she had it hid and let myself in her house. I was not looking forward to the plumbing job I had agreed to do for her. I only had to replace the faucets in her sink but plumbing is just not my idea of fun on my day off. I made quick work of it and decided to check my emails while there. Carmen’s computer was in the dining room just off of the kitchen. I noticed her digital camera was still hooked to the computer so I slid it out of the way and moved the mouse, the screen lit up. It was Carmen blindfolded and tied spread eagle naked on her bed. Carmen is a really good looking brunette about 5 feet 6 inches tall, her hair is long and she usually keeps it in a ponytail. Her breast are fairly large not huge but a good C cup size. I had often fantasized about her but had never seen her in anything more revealing than her nightgown. My wife has a wild side a mile wide but I had always imagined her sister as being more reserved. Sure she would flirt with me sometimes but I always assumed she would back down if I pressed forward any. But, here she was, naked on her computer screen and someone was taking the pictures. I opened the file and sat with my mouth open as one after another picture popped onto the screen. It seemed she enjoyed being tied up and in each picture she was blindfolded. There were pictures of her spread eagle on the bed with someone rubbing a large vibrator over her completely shaved pubic mound, there were pictures of her sitting in a chair with ropes tied tightly all around her. There was close ups of her tits tied in such away around them that her nipples looked like they were about to burst they were so big and tight. The ropes were tied in a circle from the base of her breast going outwards a few wraps. Her breast looked like a pregnant woman’s breast so full of milk they looked ready to explode. There was a picture of the largest dildo I had ever seen stuck to a chair with a suction cup on the bottom of it and Carmen sliding half way down on it still tied up and blindfolded with her mouth wide open in either ecstasy or agony, I could not tell which. The hood of her clit stood out prominently in that picture like it was being forced outward by the large thick dildo. I noticed in one picture the bottom door on her nightstand was open and wondered if that’s where she kept some of her toys. I closed the file and put everything back just as I had found it then thought I might not ever have this opportunity again so I re-opened the file and quickly sent the pictures to my email. I reset everything then walked into her bedroom. When I opened the nightstand door I was amazed at all the toys Carmen had. There were the ropes, the blindfold, several vibrators, and dildos; an assortment of lubes and a stash of x-rated DVD’s, my sister in law was a freak. My cock was as hard as I could ever remember as I started to leave her house. I thought for a second and turned and went back in and pulled the chair out some in front of her computer. I wanted her to know or at least wonder if I had been on her computer. I also knew a simple move of the mouse was going to show her just what she had left up on the screen. I went home and relaxed, my wife Kim came home from work and we were having dinner when the phone rang. It was Carmen. She talked to my wife awhile and then I heard my wife say, “Sure, he is right here” as she handed me the phone. My heart was beating a hundred miles an hour as I put the receiver to my ear. Carmen thanked me for putting her faucets in and we talked about nothing really for a few minutes I thought she had not yet noticed the computer when she suddenly asked if my wife was near me. I simply said, “Yes”. She asked if I thought I could drop by the next day for a few minutes after work. My heart was racing as I told her, “Sure”. Kim asked me what that was all about and I said, “Oh nothing, she just wanted to thank me for doing her faucets”. I knew I was blushing 10 shades of red as I said it. How is it wives just seem to know things? I didn’t know what to expect as I turned into my sister in laws drive way. I walked up on the porch and knocked as I opened the door. Carmen walked out of the kitchen wearing a large over sized t-shirt/ nightshirt with a picture of Tweety Bird on the front. She explained she had just gotten out of the shower and had made herself comfortable. I noticed her hair was till a little damp as it hung across her breast. She walked over and hugged me, kissed me lightly on the cheek, and thanked me again for fixing her faucets. I had my arms wrapped around her and I realized she was not wearing a bra. I began to pull away from her but she took my hand and led me into the dining room. My heart started to race as she led me in front of the computer. She put one arm around me as if to comfort me and looked up into my eyes and said, “You saw?” I nodded an agreement. I noticed a tear in her eye just before she buried her face into my chest and I heard her begin to sob as she said, “I’m sorry”. I felt like a total ass. I told her no I was sorry I should not have looked on your computer. I explained I had only wanted to check my emails. I pulled her close to me but even then my treacherous cock was beginning to bulge. She went on to say, “I know you must think I’m a slut but I really enjoy being restrained and blindfolded”. Now my cock was really starting to get hard and I felt Carmen holding me tighter, I could feel my cock as it pressed against her. I told her it was ok I actually thought she looked beautiful and explained that a lot of men I knew would love to find a woman who was more adventurous in bed. She said, “So are you ok with the pictures?” I said, “Yes, I’m not going to lie, I was so turned on by the pictures and you I have not stopped thinking about them since I saw them”. She stepped back and brushed her hair back behind her back and my gaze was drawn to her beautiful breast. Carmen’s wet hair had made the material of her shirt wet and almost transparent and her nipples were clearly visible to me. Carmen asked if I was going to tell my wife and I told her no, this was between her and me and no one else needed to know. She gave me another hug then looked up and without hesitation kissed me on my lips. She told me thank you again as she pulled away. I left her house in total lust for my sister in law. I just could not shake the visions of her tied up on her bed. Several weeks went by without any contact from Carmen but I had been looking at her pictures whenever I had time alone and my mind was running wild with lust and fantasies of my sister in law. My wife was scheduled to go to a convention in Dallas Texas with her work; she was leaving Friday morning and would not be home until late on Sunday. I was thinking I would have some time alone and was already looking for things to do around the house when the phone rang. It was Carmen. She told me my wife had told her she was going out of town and just wanted to invite me over for dinner. She explained she hated to eat alone and looked forward to cooking for me. I told her when I got off of work Friday I would run home and change into something more comfortable and be there about 7:00pm. So it was set. My fantasies were running wild for the rest of the week and when Friday finally arrived and I kissed my wife goodbye that morning she left saying, “Have fun at Carmen’s tonight” then drove away. My mind was spinning wondering what she meant. I walked up on to Carmen’s front porch and saw her open the front door. She was wearing a man’s tie, nothing else. My jaw dropped and I saw her smile. The tie fell into the valley between her breast and my gaze feel upon two of the most beautiful breast I had ever seen. Carmen has very large areolas; they are dark brown and cover about half of her breast. It was easy to see she was excited; her nipples were sticking out prominently. I looked lower to see a triangle shaped mat of hair just above her pussy. I was still in shock as she reached out and pulled me inside her house. Carmen informed me she had just put our dinner in the oven to cook and we had a little more than an hour before it would be ready, she never stopped pulling me until we got into her bedroom. Candles were burning everywhere. There was a chair in the middle of the floor with ropes laying on it. There were an assortment of toys and lubricants laying on the nightstand. I watched as Carmen reached up and started to pull the tie up over her head but just when I thought she was going to remove it she positioned it across her eyes and pulled it tight, blindfolding herself. Carmen explained that she could not get the image of me sitting and looking at her pictures out of her mind and it was driving her crazy. She told me to play with her and do anything I wanted to do EXCEPT intercourse. She smiled and explained that she had talked to my wife and she had agreed that we could play but no intercourse and that her sister was to stay blindfolded and not see me naked until she was back from her trip and we could all be together. I was stunned. My sister in law was naked in front of me with a tie across her eyes asking me to play with her. I couldn’t believe it. The pictures of her breast tied up ran through my mind so I sat her in the chair and picked up the ropes. I began tying her hands and arms behind the chair, her breast were displayed prominently now. I wrapped the rope around her then held her breast up as I began to carefully wrap the rope all the way around her right breast. I pulled the rope fairly tight and made another wrap right beside the first one, as I did this her areola and nipple seemed to grow and swell outward. One more wrap and I was almost out to her areola. Carmen’s breast was a rosy pink beyond the rope and her areola had bumps like “goose bumps” popping up all around it. Her nipple stuck out long and hard and the small indention at the end of her nipple looked like it was about to turn inside out it was so hard and tight. I did the same thing to her other breast and stepped back to admire my handy work. Carmen’s breath was ragged and her chest was heaving from the excitement. I looked down and her pussy lips were slightly separated on the chair and clearly very wet. I undressed and walked up to her rubbing the tip of my cock across her swollen nipples and Carmen let out a sigh. When I placed my cock to her lips she eagerly sucked the head of my cock inside her mouth and ran her tongue all around it. I pushed forward a little and she began to suck my cock in earnest. I was building up fast but wanted this moment to last as long as possible so I pulled my cock out of her mouth. I pulled Carmen up off the chair and untied her hands and arms and led her to the bed. I laid her down and noticed how her breasts were sticking straight up like hard cones with the ropes still wrapped tightly around them. I tied each leg wide apart then tied her hands to the front post of the bed making her spread eagle on the bed. Her pussy was open now and in looked so inviting I bent over and very gently flicked the tip of my tongue across her clit. Carmen’s hip bucked upwards. I slid my tongue downward and tasted for the first time the fresh wetness of my sister in law. Carmen’s pussy was soaking wet with a slick silkiness I could hardly wait to bury my hard cock into. I teased the inside of her legs with the tip of my tongue, getting close but not touching her clit again. Carmen was groaning asking for more as I pulled away from her. Carmen’s clit was standing outward clearly, sticking well out form its protective hood. I wanted to make love to her so badly right now my balls hurt. I went to her bed stand and retrieved the large dildo. I just had to see how much of this huge dildo Carmen could take. It was one of the things I run through my mind many times since first seeing the pictures of her squatting down on it the first time I had seen the pictures on her computer. I got out some lube and spread it all over the dildo. The head of the dildo was the size of a plum and it was about 12 inches long. I touched the head of the large dildo against her clit and watched as Carmen pushed her hips upward against it. I rubbed the dildo up and down her wet slit and started to ease the head of the dildo inside her wet pussy. I watched the lips of her pussy spread wider and wider then seem to snap shut around the dildo as the head got past her pussy lips. I pulled it out slightly watching her lips pull back with it, her clit seemed to be pulled outward also as the hood over her clit withdrew more exposing about an inch of her swollen clit. I gently started to press forward again and Carmen lifted her hips trying to get more inside. After just a few thrusts I had over half of the dildo buried inside her. I asked if she was ok and if she wanted more and with a pant she told me, “Yes!” I began thrusting slowly adding more lube to the dildo as I did and soon had all but about 2 inches of the dildo inside her stretched pussy. I bent forward sucking her extended clit between my lips as I continued to slowly thrust the large dildo inside and Carmen almost exploded as she came. Her hips flew up off the bed and she held herself in that position and screamed as I tried to keep my lips tightly around her clit. Her stomach began to spasm wildly and her whole chest turned a dark pink. Carmen came hard. I slowly slid the dildo out of her pussy. Carmen’s pussy remained gapped open as I laid the dildo on the nightstand. I crawled on top of her in a 69 and lowered my cock to her mouth. Carmen sucked hungrily on my cock and I latched my lips back around her engorged clit. Carmen was taking all of my cock deep down her throat and it was all I could do to hold back. I lapped at her swollen pussy lips until she was moaning loudly around my cock. When I told her I was going to cum her lips clamped tight around the base of my cock and felt like I came from the tips of my toes as my sister in law swallowed as much as she could. Carmen’s hip pushed hard against my mouth and I felt her pussy lips begin to clench tightly closed with spasm after spasm gripping her pussy. Carmen had a light sheen of sweat all over her and was smiling from ear to ear as I rolled off of her. I got dressed and began to untie her. As I pulled the tie from across her eyes she leaned forward and kissed me like I have never been kissed before. We held each other closely for a while just enjoying each other’s touch. Carmen remained naked for the rest of the evening. It was really hard to leave but as I was turning to go out the front door. She pulled me back inside and kissed me tenderly and said, “Thank you for not going any further, I will make it worth the wait when we are together next time”. The phone was ringing when I walked into my house. Carmen had apparently already talked to Kim and she was so excited I thought she might just drive home that night to make love. She informed me she would be home in a few days and I was not to even think about touching myself until she got there. The next weekend Kim and I had plans to go on a gambling trip to Shreveport Louisiana. Kim hugged my neck and told me Carmen was going to be going with us and staying in our room. I smiled knowing when I booked the room I had request a king sized bed. Thanks for taking the time to read the story if there is interest I will continue the rest of the story. Any votes are really appreciated.