siblings-with-benefits: Authors Note: This is part 4 of my on going incest themed story between two

siblings-with-benefits: Authors Note: This is part 4 of my on going incest themed story between two siblings. Also, this is to celebrate the fact that my blog just broke through 50,000 followers. I’m sincerely humbled that so many people have expressed the slightest interest in what I post, it’s truly baffling. Thank you, deeply! Also, Part 4 includes several other graphics, just for more imagery. I’m not sure who to credit, but all rights belong to those involved, or the owners of the images, and all credit belongs to them entirely, no copyright is intended. They were discovered on the public domain. Story summary thus far: Two siblings, Amanda and Jake, while traveling with their Mom and Dad to Louisiana for a Family Reunion, stopped by creepy voodoo shop and became exposed to a mysterious vial of pink liquid that opened all their sexual libido. After being exposed to the mystery vial, Amanda and Jake fall deeply in love and lust with each other, and are trying to keep their new found relationship secret.Part 4It had been over two weeks now since the family had returned to their nest, and the excitement from the vacation had long since withered and died. The stifling July heat in Los Angeles was a constant burden that we all bared, and it seemed to be unrelenting in it’s ferocity. I stood in the kitchen, having finished my days work. I was working now as a Valet at a high end Hotel across town, and what I thought would be high tips and excellent customer interactions, turned out to be pain in the ass snooty rich people, barking orders at me as I sprinted across burning hot asphalt to retrieve their vehicles for ten hour shifts straight. My calves had been throbbing with the new stresses, but now were toning and becoming rock hard slabs of muscle. Also, it didn’t hurt that the extra sunlight gave me a solid tan that Chelsea was definitely appreciating. I took the job to earn some extra dough between semesters at UCLA, but I didn’t know how much longer I could put up with the bullshit. It didn’t help that my boss, a foreign prick, was constantly puking up orders at me, and constantly bitching that I moved too slow. Today was rough, I thought, looking out the kitchen window, scanning our patio and deck area, the lemonade I poured myself still ice cold in my hand. I was fresh out of the shower, my ear buds were in, and I was listening to my library on shuffle, a random hip hop song about a rough childhood came on, and although I felt like music was a good past time just moments before, seemed to lose my interest immediately. I popped the ear buds out, and then realized that I was looking back out the window at our pool.Dad installed it last year at a major discount from his construction company, and I wasn’t going to deny it was an excellent addition. I spent most of my summer out there last year, and as I was admiring how good it looked, my eyes settled on Amanda. She was sun bathing, totally relaxed in the lawn chair, her tiny bikini doing it’s best to contain her curves and supply skin. She may actually be napping, judging by the fact that she hadn’t moved in the few minutes I was looking out of the window and day dreaming. She had curled the lines of the bikini and adjusted them so her lines wouldn’t be as bad, and she looked like her skin was absolutely glowing. Typically, Amanda was pale, indoors, and reading a book with her hair in a messy bun, but since we returned to from the family reunion, she was tanning daily, exercising more before and after her traveling volleyball practices, and wore make up daily. I smiled, sipping from the cold lemonade. I wonder If I awoke something in her, I thought. My goody-two-shoes, straight A student, bible study hosting sister became a voluptuous, sex fiend bombshell in only a few short days. Well, I rationalized, I guess I didn’t, but that mystery vial did. Still, to this very second, even remembering the strange fluid made butterflies explode in my stomach, and I became intoxicated, giddy, and excitable in my heart. It was potent shit, for sure, I thought. I felt emotion for Amanda well up in my chest again, and sighed through the lingering feelings. I loved her. I knew I did, I had come to terms with it, I wanted to provide for her, and make her cum, and feed her, and care for her when she felt ill. I smiled again, the lemonade resting against my lower lip. She felt the same way, I know she did. Geeze, she has the right idea though, getting a tan her way was far easier than how I was getting mine. I should go wake her up, I thought. Maybe we can fool around before Mom and Dad get off work. I glanced over at the clock on the kitchen wall. 05:26pm. Nah, they’ll be home any minute. We seemed to be getting smarter, I thought with a soft laugh. At first, it didn’t matter. I came inside of Amanda’s pussy while Dad was in the middle of a conversation with her, and then she did swallow most of my cum with my driving us home in the front seat after all. Now that we’ve been home, we interrupt each other in the shower quickly, or before retiring for the night meet in the upstairs hallway for quick hand play.I decided to wake Amanda after all, and poured a second glass of lemonade for her that she would enjoy. She was incredibly sensitive, I had learned, and I could keep her cumming again and again. I took a little more work to get off, but Amanda was talented and “loved the challenge!”. Still though, since we’ve been back, it’s been difficult to find a solid schedule for us to actually fuck again. We’ve only had to settle for hand stuff, and I’ve blasted off on a couple pairs of her pajama bottoms. Only once since we’ve been back have we attempted anything more, and it was when I interrupted her shower two days ago. She tried to put my cock in her mouth, and only a few seconds in, we heard the garage door opening. Turns out Mom’s yoga class had been canceled, and she came home about 30 minutes too early. I had to quickly jump out of the shower, and sprint back to my room dripping wet so Mom couldn’t catch us in the act. That being said, I had a major case of blue balls, and had to “relieve” myself later that night. At least we didn’t get caught, I thought again, putting away the pitcher of lemonade. I felt my phone buzz in my pocket, and checked it. Oh, Chelsea texted me.“Can’t make it to the movies tonight. ☹”“Why?” I replied. She was the one that set this date up, why is she backing out now? It was some bullshit romantic comedy that she was looking forward to.“Amanda txtd me and said you 2 were busy tonight. Said it was a family thing”Huh, I thought, re-reading the message. I didn’t even know Amanda had Chelsea’s number. I did feel a flutter, or my stomach dropping. It was just a little terrifying knowing that the girl I’m cheating with on my girlfriend is texting her. I wonder why Amanda was canceling my date for me? She must have something planned.“I’ll find Amanda and find out what’s up. I promise I’ll take you to the movie tomorrow night”“You’re the best ”I put my phone back in my pocket, grabbed the lemonade, and made my way out to the back yard. Amanda was out like a light, as I expected, and I gave her a small shake awake and handed her the lemonade. I took a seat on the lawn chair next to her, and watch her slowly stir awake. She gave me an adorable smile, and brushed her hair behind her ears “mmmM, lemonade, thank you!” she said with a bubbly laugh, and take a big gulp. She sat upright, and asked about my day. I decided to kick my feet up on the lounge chair, and relax in the semi-sweltering heat. We sat together for close to a half hour, just cracking small jokes, asking about everything we have going on, and about our “big plans” this weekend. It was a joke between us, ever since middle school. When anyone would ask us what we were going to do that weekend, we’d say “Oh, we’ve got big plans!” which was ritual Saturday morning cartoons and video games before Mom and Dad got up. Obviously, the nostalgia of those lost youthful years kept us asking what our “big plans” were, and it was as much tradition to ask about them as to actually have them. Mom and Dad must be home by now, and we still were chatting about life when I saw them moving around in the window to the kitchen. “Oh, I almost forgot to ask” I said, and turned to Amanda (who again, I realized, is looking amazing.. her tan is really coming in beautifully, and her skin was turning a gold and darker by the day) “did you cancel my date plans tongith?” Amanda turned her head to me, and her slender neck was absolutely appetizing in the light. “No, technically, I didn’t…” she said, smiling. “oh god, what does that mean? Are you going to serial murder me or something?” I said jokingly, and gave her a small shove. “Not quite yet, doofus. I have a surprise for us. Guess what?” Amanda said, sitting up right. My pulse quickened when she looked me square in the eye, I couldn’t help it. “What? I said, slightly nervous.“Mom and Dad are having a late dinner for us tonight, and thennnn…….. drum roll pleaseeeeeee!” Amanda said with growing enthusiasm, and then threw her hands up towards the sky. “Dad and Mom are going to a retirement surprise party tonight! They won’t be back until after midnight!” The realization dawned on me. Amanda and I were going to unabashedly fuck in the house tonight for the first time ever. My face must have expressed complete shock, because it threw Amanda into a fit of gleeful laughter, and she kicked her legs in the hysterics. “You boys are so predictable! You get a little pussy and it’s still a huge surprise that you get any more!” She said laughing. My cock gave a dull throb, and I knew it was going to be absolute mayhem tonight. We could be as loud as we wanted, go as many times as we possibly could, and get away with it all scot-free. Hell, Amanda even had the foresight to cancel my date with Chelsea so we wouldn’t get interrupted. “So you’re saying, all we have to do is survive one measly dinner with our parents, then the flood gates are opened wide to our wildest depravities?” I asked, already knowing the answer. “Duh! Doofus! We can do whatever you want!” Amanda said, standing, and giving a good stretch. “And you better bring it tonight. I’m in a weird mood, and I really need to cum, so I’m down for a lot!” she said. It still absolutely blew my mind hearing her say things like that. Less than a month ago, I never would have conceived it. Yet, here she stood, her tight butt barely hidden by a tiny bikini, saying she wanted to be dicked down good tonight. “Come on, let’s go inside. I want time to shower and get everything shaved and softened up for you!” She said, and gave me a hand to help me up. “Alrighty,” I said, and stood with her before walking back to the house. “you don’t have to tempt me twice. One quick dinner, then we’re home free. I assume you’ll be coming to my room, my bed is bigger?” I asked. Amanda nodded, and allowed me to open the door for her. I gave her a quick spank as she passed me. “Careful!” she said with yelp. “Save it for tonight!”——————————-Dad in an effort to ensure no misbehaving with his children, asked us to go to our bedrooms after dinner so there was no chance for “games” as he called it. Granted, it was almost 09:30pm, and since I had been up at 06:30am typically to go to work, I offered no objection. After clearing the table, I chuckled at their trust. They have no idea, I thought. They think us getting out of the house is going to get us in trouble, but only Amanda and I knew that the real trouble we could get into would be happening under this very roof. I stumbled my way up to my bed room, and closed the door behind me, flopping down on my bed. Quietly kicking my clothes off so I was totally nude, I laid there silently, my eyes wide open in the darkening of my room. I glanced around at the lay out, several rock band posters, my computer and desk, my dark closet against the wall, my tv and and dresser taking up most of the room. I checked my phone to see the time. 10:00pm. I heard Dad yell up the stairs to my Mom that they were late, then footsteps, then muffled conversation, then doors closing, then the garage opening and a car pulling out. There, I thought, in the darkness of the room, the only light coming from my computer. My heart was in my throat in anticipation. Any second now, a simply drop dead gorgeous would be sneaking into this very room, and riding me until we were cumming all over each other. I shudder in excitement, and checked my phone again. Chelsea had texted. “I’m so horny tonight LOL, I was hoping we could fuck after our movie.”“No such luck, babe. Maybe tomorrow, after my parent’s go to sleep.”“Fuck ☹ that’s too long to wait. I get soooo wet thinking about your thick cock…”“Are u trying to turn me on? Behave yourself, little lady! ”“Fine, I’ll save myself for you tomorrow. But promise me something?”For some reason, I felt a quick pang of guilt knowing I was going to cheat on her in a few minutes, but was going to promise her something right now.“What can I promise you?”“Don’t wear a condom with me tomorrow… I want to feel everything! ”“You got it babe. ”My door creaked open, and I set my phone down quickly at my night stand, and allowed my eyes to adjust to the dark at my door frame. There she was, I thought. Amanda was stark naked. Her breasts hung naturally, globes of lust filled flesh that moved with every breath, her nipples erect and sensitive in the soft light my room provided. Her hair hung loosely around her shoulders, still wet from her shower. I was amazed… I had only briefly seen Amanda this raw and natural when I’d break into her showers, but still the sight was impressive. Her thighs were just thick enough, her stomach washboard and slender with the slightest definition of abs, her ass thick and round, bubbled and held high from her long legs. She was a knock out, and my cock simmered under the blankets. “Got room under those covers for me?” She said, quietly, in the empty, dead silent house.“Fuck yeah!” I said, cracking a smile and trying to ease the thick sexual tension.Amanda laughed and damn near jumped into the bed with me. Immediately, my mouth found hers, and I started kissing her sexually. Her strawberry flavored lip glossed smeared on my lips, and I savored the delicious scent. That, and she was wearing the perfume that I got her last year for her birthday. I cupped her naked ass, and helped glide her up and down on my hardening cock. She worked up and down magnificently, and I ached against her. Our breath quickly turned ragged and she was whimpering and moaning in my mouth. “Fuckkkk” she breathed out hard, making my bed creak. “I wanted you to fuck me soooo bad the last couple of days!” she whispered, taking a grip of cock, and sitting backwards so she could stroke it, breaking our make out session. “Do you have any idea how dirty you make me feel? I considered waking you up with a blow job before work, you know” she smiled, and I gasped. “The only reason I didn’t was because you share a wall with Mom and Dad’s bedroom. It’d be a hard thing to explain why you’re moaning that early in the morning with your sister in your room” she said, still working up and down on my thick cock. “I would have found an excuse, because it would have been worth it!” I said, smiling. I cupped her ass again, and helped her sit up slightly. She started rubbing my cock against her hardening clit and slickened pussy lips. “I don’t think you understand…” Amanda whispered, again, her panting came back with the traveling sensations. “I have never been how I am right now… I only imagined what a man would feel like using my body…” she was breathless, my cock slithered against her pussy and begged to enter her fully. “You can say…. That I’m… totally cock- hungry for you now….” She said, and slowly started impaling herself on my cock. My dick began stretching the thin ring of flesh that was her love tunnel, and the feeling was euphoric. She went agonizingly slow, and it was a serene view watching her tiny body accept my cock. “Fuck, I almost forgot how big you were!” she said, now speaking at full volume. “My toy isn’t even this big…” I was almost entirely inside of her now, and she was soaking every inch of me with her natural lubrication. “What, you have toys? Amanda, where the fuck did you get something like that?!” I said, and helped lift her to adjust to my girth. “Oh come on… you didn’t think I was entirely innocent in my room… late at night… when there was no one around?” I was now gently rocking Amanda up and down on my shaft, and she bent forward and was making out with me again. “I used to cum all the time…. Dreaming of a cock that was just as thick as I could take…. Just as long as I could handle…..” she said, her body starting to jiggle with my popping hips. My cock was now grinding in and out of her soft velvety pussy, and we were both in absolute heaven. “I never realized until these last few weeks…. The perfect cock for me…. Belonged to my own brother!” she said, smiling quickly with her vibrant white teeth before her breath was taken away from the pistoning cock. “It makes sense right, it’s the perfect size for me…. My pussy is only as tight as you are big!” she was trying to keep talking but I was concentrating on drilling into her, and her g-spot was getting stimulated perfectly with our convulsing bodies. “Don’t you agree….. my Big Brother?… because we share the same genes…. I’m can only stretch as big as you get…!” She had such a dirty mouth, I thought. She is going to get me to cum, just from her dirty talk! I still was fucking her silly, but wanted to do more with her before our lust ended. What did she tell me by the pool earlier? That she wanted me to do whatever I wanted? A wicked grin spread across my face, and her moans were echoing across the house. Our bodies were slapping against each other in a frenzy, but I wanted to do something kinky, something we hadn’t tried yet. Using my superior size, I wrapped a muscled arm across Amanda’s waist, and picked her up, flipping her over quickly in the same movement. We were now fucking doggy style, her ample ass backing up forcefully against my cock which rapidly disappeared and re-appeared out of her hungry pussy. “Get ready!” I said to her, and her legs trembled against me in anticipation. She knew that I was going to use her right now, and the thought was going to make her cum. I silently put my thumb in my mouth, allowing Amanda free reign to fuck herself against my hard cock, while I lubed my thumb. Then, gently, now slick with my spit, I placed my thumb against her ass hole and began pressing in. “ooooooOOOOOOHH” Amanda moaned, and started pressing back harder against me, her moans shaking the whole house. I started to feel her accept me, and the feeling was divine. That’s it I thought. I know was fucking my sister doggy style on my bed, my thumb buried in her ass and she was moaning and whimpering like a slut in heat. “Fuckkkk you’re going to make me cummmm!” she was totally lost in her lust. Any resemblance to my sweet innocent sister was thrown out the window. She only cared about getting off, and it didn’t matter that it was her own brother that was going to make it happen. She kept backing up on me, fully inhaling my cock into her, and her ass jiggled with the force. “Cum in me!!!” she was now screaming, and was rolling her hips in circles around my cock and my thumb still buried in her ass. I can’t handle the sensations. I am going to nut deep inside of my sister, right now, with my thumb stimulating her asshole! “Do it, fucking cum in me, please! Fuck me, please! It’s all I want, I’m so fucking horny for you right now, I want you to use me alllllllll fucking night, please, cum in me over and over again, I want to be a slut for you, I want you to drain yourself in me over and over again, I want to be so soaked and sore tomorrow, I want you to come back for more, I want you to keep fucking me, please!! Don’t fucking stop, you’re going to make me cum!!!! PLEASE!!!!!!!” Spurt! Spurt, spurt spurt! I started unleashing wave after wave of cum, deep inside of Amanda, her pussy bouncing violently off of me, her body absolutely getting wrecked from our passion, our sweat mixed and dripping onto my sheets, her moaning and screaming all I could her, my balls clenching and flexing, my cock throbbing silently inside of her, her tiny pussy hugging every inch of me. Her hair was strewn across the bed, and she tried biting the sheets to quiet the moaning, but her legs were a give away, and I knew she was cumming from the feeling of me unloading inside of her. I drenched the inside of her uterus, and images of my thick pearly gobs of cum trying to find something to knock up flashed in my minds eye. I had destroyed Amanda from the inside out, and I don’t think that I’d ever had such a feverish fuck session. My thumb, still buried deep in her asshole, had felt every sensation of me cumming, and through the thin wall of her insides, felt the strong muscles of my cock flexing and orgasming. Amanda, laid beneath me, breathless and panting, and I quietly withdrew my thumb from her ass. My cock took a little more effort, as Amanda was so goddamn wonderfully tight and young, she didn’t want to release me yet. She fit me tighter than a glove, and I had to wait a few minutes for my thickened cock to dissipate enough to escape her tiny fuck hole. The second my cock slithered out of her, large gobs and rivers of our mixed cum leaked from her, and she gave a small laugh, smiling that amazing smile. “Holy fuck” she said. “I don’t know how you can cum that much, It’s so fucking sexy.” The river of cum that had started draining from her started running down her inner thigh, and made puddles against her legs before my sheets. Her ass was still pointed straight up, and She let me admire the work that we both just did. “Will you always fuck me like that?” she said, laughing again, and I joined her. “Because I’d be ok with it…. My god, that was the hottest fuck I’ve ever had.” She now crumpled over, and spun around to put her head in my lap as I sat at the edge of the bed. “I’ll do my best, but that was quite a chore!” I said, sweat still pouring from me, and I panted to recover my breath. I flicked the power on to my floor lamp, then sat back to relax. I started petting her hair now that she was on my lap, and the room quietly calmed down. 15 minutes easily had passed and we had laid in silence, me gently stroking her silky hair, the smell of sex and cum still potent in the air. Amanda broke the silence first. “That was the first time.” She said, and flipped over to look me in the eye. I had started to doze, and didn’t quite understand what she was talking about about. In the semi hard light my floor lamp cast, my hand still petting her hair, I watched that famous smile crack and spread across her gorgeous cheeks. “That was the first time that any one has ever been near, or definitely in my ass… or made me cum because of it!” -- source link

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