My sister couldn’t believe I had such a big cock

I was 15 at the time and my sister was 17, let’s call my sister ava, she is about 100 pounds died black hair 5’4 small tits has a decently fat ass, I know for a fact she is experience when it comes to sex, I may or may not have looked through her phone and found videos of her fingering herself and her ex boyfriends dick pics, which all of her ex’s dicks from the pictures I’ve seen are not nearly as big as mine, I am about 130 pounds 5’8 skinny Caucasian, I think I have a pretty big cock at 7 and a half inches. I have only seen my sister naked through the photos on her phone and maybe 3 other times by accident (walking in while she is changing) the other day I found Ava’s vibrator it’s just a small one but im sure she is getting lots of use out of it, anyway into the story, by the way this is a true story. So one day I was in the shower I’m not going to lie I was playing with myself while I was in there, my sister knocked to come in the bathroom to get her hair brush and the shower curtain was a little open so if you stood in the right place you could see a little Into the shower and I was rock hard with my 7 inch cock which goes a little past my belly button and I could tell she was peeking over at me but was not trying to make it obvious and when she saw my huge cock she her eyes went wide and she froze for a few seconds staring at it in disbelief then quickly turned away like nothing happened then left the bathroom, when I got out of the shower I had my towel wrapped around my waste and my cock bulging out of the towel and as I walked past my sisters room to get to mine she was staring at me but I acted as if I didn’t notice. A few days later me and my sister were just messing around I was picking her up on my shoulders and throwing her onto the couch then held her infront of me by her thighs with her arms wrapped around my neck and sat her on the kitchen table with her waist pressed up against mine then when I went to let go I put my hands under her shirt onto her waist and I knew she was very horny just by the look in her eyes, she bit her lip a little when I put my hands on her waist when I sat her down on the table, my heart was racing because I just wanted to grab her by the throat and lay her down on the table to fuck her but I let go of her hips and walked away to go do my own thing. A few days pass and I was naked in my room sitting up on my bed with my cock straight up jerking it slowly and she unexpectedly just opens my door which was fully closed, she had no idea I was jerking off but I was fully naked on my bed with my big cock sticking out and she froze and said in a panic omg I’m sorry I I didn’t know then she stared at my cock and looked me in the eyes and said holy I didn’t know it would be so big then walked closer and I was terrified to say it but I asks her if she wanted to touch it , she grabbed it with her small hand which made my cock look even bigger, and slowly jerked it then after a few seconds she just looks me in the eyes and starts sucking on my head then next thing I know she’s bobbing up and down just about gaging her self on it, this was my first ever bj and I’ve only had sex a handful of times with one other girl a year ago , it was amazing she was definitely very experienced with sucking cock because she was deep throating my cock untill her eyes were watering and spitting all over it then she stopped for a minute and said she loves my big cock we started making out for a little touching each other all over then I took off her clothes sat her infront of my with her back turned to me and my cock pressing but agenst her lower back and I reached over her and started fingering her pussy, it was insanely wet like it was soaked with cum I started off slow then worked my way faster and faster untill she was screaming YES YES PLEASE DON’T STOP then she cummed alot their was a wet spot on my sheets where she came. I told her to follow me to the kitchen because I knew our parents weren’t home , and I picked her up sat her on the kitchen table and grabbed her by the throat slipped my cock in her insanely tight pink pussy that was fully shaved and the first time I thrusted in her my cock was soaked with her cum from earlier, her face turned red as I started to fuck her and she moan oh my fuck yes and I went in and out of her on the dinner table, then a few minutes later we move to the couch a few feet away and I sit down and she sits on top of me facing me and started to ride my cock , this is where things got intense, she was twerking her ass on my cock shaking it side to side up and down taking every inch of me inside her she was going fucking crazy when riding me cowgirl I’ve never had anyone fuck me this good , she slowed down for me as I was getting closer to cumming and I picked her up by her ass and fucked her agenst the wall she slid my cock in for me because I was holding her up with my 2 hands and she was orgasming very very loudly like the neighbors most likely heard her, she was definitely a screamer , I felt her legs vibrating as she was cumming and a few minutes after fucking her agenst the wall I put her down and said I’m going to cum , she got on her knees and sucked my cock till a cummed down her throat. This was the most crazy sex I’ve ever had and I will never forget it, after words she said she thinks she cummed 7 or 8 times. Little to say she loves my big cock, and we fuck all the time now even when our parents are come we both sneak into the bathroom to fuck on the counter, and we sometimes say we’re going for walks and we fuck I’m the woods, we are just so fucking horny lol. Anyway hope you enjoyed the story but like I said this is a true story.

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