My Forbidden Obsession with My Seductive Little Sister

Whats up you guys? I'm sam, but everyone calls me sammy. I'm 5'10", 190 lbs, and fully italian. I've always been the type of guy to say that family comes first. Reason being, my dad left my sister, my mom, and I, for a 22 year old stripper. Needless to say, that completely destroyed us, but brought us all closer together. Especially my sister, Mariela and I. I loved that girl beyond to death. Besides my now remarried mom and her douchebag of a husband, Mariela was the only family I had.
Mariela and I were as close as a brother and sister could be. We didn't fight (of course we teased) and we always respected each other. Movies, Video Games, Dinner, whatever we could do together, we did it.
I was her protector, too. Her being 15 and me being 17, I had to defend her from all the immature little assholes tweaking off of puberty-built testosterone and and an undeniable quench for some hot ass. And that was EXACTLY what Mariela was, some hot piece of ass.
Now even though I was a lot more mature than some high school freshmen, I was only a senior and I couldn't deny that my little sister was fucking fine. She has gorgeous blue eyes, long, thick,smooth legs, 40D tits, and a nice,tight ass. Her hair was naturally curly and flowed down to the middle of her back, her lips were nice and full, and her stomach was flat and muscular, due to her being in track and volleyball. On top of that, she was a virgin, so it was practically a race to see who would pop that innocent little cherry of hers.
On the other hand, I was her brother. And, even though I thought she was the finest specimen to ever step on God's green Earth, I never, EVER tried anything. One, I had too much respect for her, and two, I feared the consequences. Of course I fantasized. Yeah, I jerked my 8 inch dick off to her giving me a tit job almost every night. But that's how it would stay, a fantasy.

I never thought of acting on my feelings towards her, until........

One day I had an early let out from wrestling practice and decided to head home to spend some time with Mariela. She told me she really wanted to see a new action movie that came out on DVD the day before. So I rented it, got some popcorn, some candy, some pickles, and got ready for a nice, relaxing night. When I came in the house, I announced my presence and tossed my backpack to the ground. I ran upstairs to say hi to Mariela when I heard her crying.
I put my ear to the door and only heard her whimpering, so I slowly cracked open the door to see what was up. As soon as I opened it, I immediately recognized what was happening. Her big gorgeous ass was shining from sweat and was facing away from me. But her pants were down past it so I could see a little glimpse of her sweet pussy lips in between her tight ass cheeks. I could see that her shirt was lifted up past those choice titties and one of them were being fondled by mariela. She was pinching and pulling on her nipples and had her fingers deep inside her tight virgin pussy.
"oooooh fuck yeah, mmmmmmmmmmmmmmmmmmmm fuck fuck fuck"
She pulled her finger out her pussy, sucked them clean, and then stroked her little clit furiously trying to bring herself to climax.
By this time, I had already zipped open my pants, pulled out my cock, and was beating like there was not tomorrow. Mariela was squeezing her huge right titty in her little hand and was violating her own pussy something mean. Past all this, what she said next shocked me most.

"oooooh fuck yeahhhhhhhhhhh sammmmmmmy. Puuuut that big dick in deeeeeeeeeper."
Holy Fucking Shit!!!! She was pleasuring herself while thinking about me! My dick could cut diamonds now and I tucked it back into my boxers and erupted what felt like 10 gallons of cum into my helpless underwear. At that exact moment, Mariela's back arched and her tits jiggles like crazy as she erupted into her climax. She kept flicking at her love button, riding her orgasm as much as possible before collapsing of exhaustion on her bed. I left her asleep and went to my room, intending on beating off another 10 times before my mom got home from work.






Dinner that night was pretty routine. I knew something that she didn't know I knew so it was only a little off for me. I kept finding myself staring at her chest, because it reminded me of how they jiggled when she came. She found me looking at her chest every now and then too, and I could tell. She would blush red and shyly look down and I'd lick my lips, eagerly wanting to taste those delicious milk jugs. While she and my mom ate, my cock was growing back to full strength and was restrained by my zipper. It started to hurt and I needed release. Now. I excused myself, ran to the bathroom, and took all of 30 seconds to flood the toilet bowl in hot cum.

Fuck me........

This fucking chick was driving me nuts. I needed to see those tits again. They were big and luscious. Her areolas were about the size of a half-dollar coin and they were shiny from her sweat. Every stroke of her hand would make her tits bounce and god were they just appetizing.
So every night for about two weeks I would camp outside her door with it cracked a little and wait for her to pull down her shorts, lift up her shirt, and fuck herself in that tight little pussy. It was the hottest, kinkiest, most taboo thing I've ever done. And I loved it!
Each night, She'd fuck herself in a different way. One night, she lifted her legs ud over her head and fucked herself with a cute little vibrator. Then another night she layed down with a pillow between her legs and fucks that pillow like a bitch in heat. But each night she'd scream my name and each night I'd beat my dick so hard, I should've been charged with 2nd degree assault.
Sure, it sounds a little weird, but shit, this girl had me aching. Might as well catch a glimpse of her to ease my cock held hostage. However, my guilt began to play its part on me and I had to stop. Spying on my little sister masturbating and beating of my own cock is about the lowest thing I could do. Its all the guilt of incest without the actual pleasure of incest. So I stopped.
I ignored any of her flirtatious moves and even though I wanted to wrap my hands around my cock and pound it like I was tenderizing chicken every time I took a peek at her cleavage, I held back. I didn't want to exceed my already shattered morals and besides that, I didn't want to get caught checking out, nevertheless whacking off to my sister.
But fuck, a little peek at her every now and then wouldn't hurt, right? Anytime she bent over...little peek. Leaned over towards me...little peak. Jump up and down...little peek. Anytime I could take a peek without getting caught, I took it.
So that's the way it continued for about a month. No looky, no touchy. And fortunately, I was never caught peeking by anyone. Then one day we were in the kitchen getting an after school snack. While I was getting the pickles out of the fridge, I told her to get the popcorn. Now by the time she was reaching up, I was already to the side to her.
She stood on her tippy toes and reached for the popcorn on the top shelf of the cabinet and I took the time to stare at her beautiful tits. Her calves were flexing from below her skimpy skirt and her tits popped out a foot from her flat belly from the side view. What really turned me on was her nipples were popped out as if they were hard. And thats when I started to think, "whats making her turned on?" Then I slowly looked up to her face, taking time to check out her sexy neck and arms, and saw that the whole time her tits where being ravaged by my eyes, she noticed. Fuck! I was caught.
Thats when she looked me up and down and just slowly licked her lips.
That night, I relapsed. I beat the shit out my dick like it fucked my wife behind my back. God Dammit! This bitch is gonna have me go crazy. From then on out, the vision of her licking her lips was glued in my mind, in turn, causing me to beat off every night. I went back to square one.
Now, even though I was a sick, perverted asshole who beat off to his sexy little sister, I was smart as hell. By the time I was a sophomore, I was taking college courses and Acing them. At the middle of my senior year, I had been offered scholarships to several major universities and even an ivy league school. Granted, it wasn't just my brains that scored me a bright future. I had been in wrestling for four years and won state twice. I wanted to be a professional fighter or a lawyer, both of which I had already got my hands on.
But my sister was another story. She was smart, but never wanted to work. She would get by with C's and never really cared about school. But when she got to high school and was forced into higher level classes, she struggled a lot.
I always tried to help her in some way, almost being her private tutor. Most of the times, she wouldn't even be able to get up to C's so I's help her any time I could. Lately though, even with my help, she refused to turn in her school work so she ended up failing her English class. At

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