My Sister Lisa - Sex Stories

...I am 25 years old and have a sister 2 years older than me her name is Lisa. She was good looking with long brown hair, an athletic build and huge heavy and round boobs that I used to glance at when no one was looking. I was skinny and she was a little bigger than me, maybe outweighing me by twenty pounds. Most of it was her juggs, I'm sure. When she leaned over, they were thin at the top and just filled out to some amazing cantaloupes at the bottom. I still sneak looks at them when she isn't watching, so I guess the part about me outgrowing this was a lie. Back then, she had a jazz-dance class at school and would always be in leotards around the apt. I remember being obsessed with my sister's tits. I swear her jugs were so big they bulged out of her bra when she was wearing that leotard. I mean, you could see their shape and then through her top, you could tell her boobs were spilling out above her sports bra line. We lived with our father in Denver. We were both pains in the butt in school. In her junior year, My sister started hanging around these shady older girls who were mean to everyone else in school. Some of them were even cheerleaders, but these were mean chicks, man. Lisa began staying out late at night. She was clearly in with the wrong crowd. One night in the middle of the school semester, she didn't come home at all. Our dad came home early, and I had to lie to keep him from finding out she wasn't in yet. I thought she'd be in later, but she never showed. I wasn't too worried, though. I figured she try this sooner or later. I just hoped she wasn't having sex with some guy-it'd ruin my fantasy life. The next day at school, I saw her talking with three of her friends. I went over and tapped her on the shoulder. After a second, she turned around, saw me, and said, "What do you want?" Not at all like someone who had some explaining to do. I said, "Dad's wondering why you never came home last night, goofus!" I had no way of knowing if this was true as our dad always got up for work very early and we didn't see him until nighttime. "No he's not...," she said. " I called him at work this morning and he didn't say anything to me about it-liar." Oops. She had me. Her friends started to laugh. This embarrassed me. The bell for third period rang, but this was family business. I raised my right arm and rested it on her shoulder. "Allright smart-ass, maybe I'll just tell dad that you were out all damn night!" That should shut her friends up, I thought. My mind alternately went, "wait stupid,, you could get her to give you something in exchange for you keeping quiet." I had a sudden thought; if she let me feel her up, I'd keep my mouth shut. Vile, I know, but that's what I was thinking at that moment in my young life. Of course, there's no way i'd actually say that to her, it was just a fantasy. My eyes glanced at her chest but she was wearing a leather jacket that was zipped. I followed up.. "Wellll, maybe if yo--Bouuff!!! Lisa had slipped under my resting arm and punched me right in the center of my stomach. I was unprepared for this. My belly must have seemed as soft as a down pillow, as my stepsister's fist sank deep into me before I fell to the ground in a crumpled, surprised, heap. I moaned for a second in disbelief. I'd gotten into arguments with Lisa before, but she'd never hit me. In fact, no one had ever hit me. I was too scrawny. I had always wished we had gotten physical, but like, wrestling. I looked up at them. Fucking witches! One of the girls had walked off when the commotion began, but there were three of them left, including my sister, who had taken a step back to look around the corner, to see if anyone was coming down the long hall. I recovered and scrambled back to my feet but the other two girls quickly grabbed me and held me up against the wall, probably fearing I'd kill Lisa. I might have, too, but the one on my right arm said "Wait, relax, she didn't mean it." They were both holding me tightly, and I began to feel a little aroused. After all, two older chicks were pinning me against a wall. They looked back at my sister, who had come back to be in front of me. "Unless--What?" she whispered. Shit, I thought, I forgot I let that slip out. Well I sure couldn't tell her what I'd been thinking. She'd never walk around the house in those leotards again. I looked up at the ceiling, trying to think of something she would believe when- Bouff!! She punched me in the stomach again. Right in the same spot. My eyes swelled with tears, but I fought them back. Oh my God, Why was she doing this? I was her brother. "Tell me!!" she gritted, under her breath. Now i was pissed "F- Fuck you, Lisa.." I was defiant. Pummph!! That one hurt. It caught me directly in the pit of my stomach and seemed to stop all feeling in my legs. It sounded like she was pounding on a bunch of peachy folders someone was holding, only it was my belly. A bulge swelled up in me, in my pants. I was liking this? I tried for the first time to free myself of the two girls holding my arms and me up against the wall, But by now I was too weak. The girl on my left said, " He's trying to get loose" and tightened her grip. Lisa stood closer to me and said softly; "Do you want me to keep this up? Or are you going to tell me what you meant by 'Unless'?" now it was official. I had a hard on. Despite the pain, some part of me must've really enjoyed this. No, I did enjoy it. I will admit that. I still fantasize about it. Nearly every day. I looked at her friends holding me. They were watching Lisa. They were enjoying this sight, their new disciple, literally pumping her own brother for information. Lisa had grown tired of me not paying attention. Poomph!! In her fist went. Whooooff!! Out my breath went. Then she did something I'll always be grateful for. She s-l-o-w-l-y unzipped her jacket, and let it fall to the floor. My eyes got wide. She had on her red leotard top. The one she always wore to dance class. The one that shimmered. The one that was too small for her. In later years i would identify it as Spandex Lycra. For now, it was just shiny. She leaned back to look down the hall again, and when she did, she arched her back perfectly. I mean, and I can't say it enough, she was huge. She had those Caroline Bissette / Sophia Loren kind of jugs that make you want to leave your wife. (or sleep with your sister) Lisa had stepped back to me. Now i was scared, i mean she was really unloading into me. “I won't say anything, Leese, jeezus.." I had gotten enough breath back to speak. Lisa smiled at me, waited a beat, and swung another sharp baseball sized fist into my stomach, moving my insides around. Pummmph!! She had stepped into it and now my chin rested on her shoulder where i just looked down the back of her leotard. I was done. I was out of air. I looked in my sister's eyes. She knew it. She knew I knew it. I couldn't resist her. Pummf! She had moved close to me now, and put her left hand over my shoulder and down my back, her breasts slightly touching me, as they swayed rhythmically with every punch. Below them, I could see her right fist sink into me. By now, I was limp. The girls were struggling to keep me upright for her. Finally she stopped and grabbed me with both hands by the hair, standing me straight up on my feet. She looked into my eyes. I was very close to la-la land. " Listen, MacArthur, keep your mouth shut about this and everything else I do, you got that?" Just then, we heard a woman's high heels clicking down the hall. We were about to be discovered. One of the girls let go of me and went to look. " It's Mrs. Fisher!" She whispered back. I shook the other girl away from me. But I forgot my legs were lifeless and I slumped back against the wall and down to the floor as Lisa watched me with a We-Both-Know-I Own-You Grin on her face. Then she left. I could here them all walking away, leaving me in a heap. Mrs. Fisher just walked past. Pain shot out of my head and stomach. My sister had pounded me into submission. I staggered to away to my next class...and vowed revenge.......... MG.

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