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My Sister in law catches me

When I was 15 my oldest brother married a woman who was on the large size and had huge tits. When ever I saw my brother and sister in law I would see her smoking a cigarette and my cock would get hard. I started smoking and masterbating thinking about her. One summer I went to stay at their house for afew days while my parents were out of town. My brother was gone to work and sister in law was gone as well, so I thought. I lit a cigerette in my rooma nd started masterbating thinking of those lovely huge tits. When I got done I went into the bathroom to clean up. As I was coming out of the bathroom I could hear a noise int he kitchen, oh shit. I walked into the kitchen and my sister in law said I didn;t know you smoked I didn't want that secret out. She looked at me with a funny grin and asked me what was I thinking of when I was playing with myself? Without hesitation I said you. Oh and what are you thinking about when it comes to me. I told her all I was thinking about was her tits. She said can you do it again with me watching? I went and got a cigarette and took my clothes off and went into the living room. I lit the cigarette and started stroking my cock. I asked her if I could see her tits? She took her top off and then her bra and there were those huge tits in full site. I cam as fast as she took her top and bra off. She said that was fun. I asked her if she was going to tell my brother and she said this will be our little secret. At dinner that night all I could think of was her tits and me masterbating. The next day I woke up and sitting in the chair in my room was my sister in law topless and a pack of cigarettes. I took my clothes off and we both started smoking. She played with her tits and asked me if I would cum on them. I walked over and started storking my cock while smoking and boy did I put a load on those tits. The next day I woke up but no sister in law in room, I was not happy. I walked into the kitchen and my sister in law had company, her best friend. This other woman was built like my sister in law and even bigger tits. As I walked in they were laughing. I asked what was so funny, they both looked at each other and laughed more. Shit, I thought she was not telling anyone. Her friend as me i I could do a show for the both of them. We all three walked into the living room and I stripped and lit a cigarette. I told both of them I had to see their tits. they both took their bras and tops off, my god four huge tits. As I was stroking and smoking her friend said to her can I fuck him. She took her pants and panties off and laid on the couch. I went over and started fucking her, my sister in law came over to me and I started sucking her tits. I came big time.....

we did this for the next week and half while staying there.

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