I pushed all the way in until I could feel my knob pushing at her throat, before easing slowly back and thrusting in again, quickly setting up a steady rhythm. Lauren was choking and gasping and I could feel myself getting close to cumming.
Suddenly Dusty pulled hard and his knot slipped from her ass and huge amounts of dog cum started pouring from Lauren’s butthole. I had no idea dogs came so much! I buried myself all the way in Laurens mouth, feeling her lips against my ball sack and I came again, giving short thrusts as I emptied my balls right into the back of her throat. She gagged for a moment, then I could feel her swallowing my load. I fired several shots before I pulled back, letting the last of my cum dribble out into her mouth.
I was surprised when I felt her tongue running over my knob and her lips closed around my shaft, trying to get the last of my cum out. My dick finally slipped free with a pop from her mouth and I collapsed down onto the grass, temporarily drained of energy.
Lauren stayed on her hands and knees, not looking at me, just staring at the ground before she began running her fingers over her face, scraping up my cum and sucking her fingers into her mouth.
Had I just got my sister hooked on my cum? She looked so hot, sucking on her cum soaked fingers I could feel my cock hardening again. Dusty was sitting a short way off, licking at his dick, noisily slobbering away.
“Do you want some more cum Lauren?”
She finally looked at me, if looks could kill I think I would have been an instant dead man. I scooted backwards, a little scared of that look, wanting to be out of her reach.
“You FUCKWAD!!!! How dare you do that to me?”
The anger in her voice was unmistakable, had I gone too far? I had wanted to humiliate her and make her pay for teasing me, but I finally realized that I had pretty much just raped my sister.
“Oh god Lauren, I’m so sorry, I didn’t mean to get carried away like that” I didn’t know what to think now, but thankfully Dusty came to my rescue.
Without either of us noticing he had come back to clean up his mistress, just like any good dog should. With a loud slurp we both heard his tongue slide up Lauren’s ass and he began licking up all the cum that was still leaking from Lauren’s ass.
I couldn’t believe it, Lauren came instantly, what the hell? She moaned and whimpered as Dusty continued his assault on her sensitive bits. I just sat back and watched as she writhed under his tongue before finally pushing him away and collapsing onto her side, her legs pulled up almost into a fetal position.
I waited a couple of minutes, Lauren was still just lying there and the grass was starting to make my ass itch.
“Lauren…Lauren are you ok?” I asked.
“What do you think asshole? I just had the most amazing ass fuck ever and then my asshole brother comes in, sprays his goo all over my face and then jams his dick down my throat, cums again and never even asks if I mind? How would you feel?……Asshole!”
She seemed to be trying to stop herself from smiling and the anger was gone from her voice. I still wasn’t sure where this was going though, so I had to step carefully. She stretched out, lying on her side with her head propped up on one hand looking at me.
“I’m really sorry Lauren, but when I came home and saw you and Dusty, I just couldn’t believe it. You looked so hot, I couldn’t help myself and after the way you teased me last night it was just too much.” I gave her a sheepish grin and a shrug.
“And you think that makes it okay to jam your cock down someone’s throat like that?” There was definitely a smile there now.
“Well, I don’t know if that makes it ok, but you did it really well and you practically tried to jam your ass down my throat last night!” My cock was pointing straight up again and I could see her eyes following it whenever I moved.
“You did eat my ass really well, I guess this makes us even….for now. Wanna do it again?” Her free hand ran down her stomach, until she reached her pussy, before running her fingers through her matted pubes. Her whole pussy was covered in dog spit, dog cum and I’m sure some of her own juices were mixed in there somewhere.
“Uhhh, you look a little messy right now sis”
Lauren looked down and laughed, I can fix that. “Dusty, come here boy” She got back up on her hands and knees, her ass stuck up in the air. “Lick, Dusty, Lick”
Dusty quickly stuck his nose back in her ass and began licking her pussy and asshole. Lauren let out a long moan and reached out for me, her hand running up my leg, only able to reach my knee. I slid forward, spreading my legs until my cock was right under her face.
Never breaking eye contact Lauren grabbed my dick, stuck out her tongue and took a long lick up the side before swirling her tongue around the head and back down the other side.
“Oh god Lauren that’s incredible”
Lauren opened her mouth and sucked the tip of my cock in, just holding it there for a moment, her tongue swirling around my knob, just as Dusty’s tongue was swirling around her pussy. Then she eased her mouth down until her nose was right in my pubes. I could feel her throat swallowing around my shaft before she eased back up and pulled off completely.
“Like that do you? If you hadn’t been so rough before I could have done it more easily.”
Before I could say anything she swallowed my cock again, going right down until I was fully engulfed, then I felt her tongue licking at my sac. Holy shit she was amazing, where had my little sister learned to do all these things?
Lauren started humming, or maybe she was moaning, it was hard to tell, but either way the vibrations on my cock were incredible. Somehow I was ready to come again but I didn’t want to waste another load in her mouth, I wanted to fuck this incredible little vixen. I gently cupped her face in my hands and pulled up off my cock. She gave me a puzzled look as I moved out from beneath her and standing up.
“I want to fuck you” not the most eloquent of proposals but I meant it and it came from my heart or maybe it was just from my cock.
“Well if you can pry Dusty’s tongue out of my ass, then go for it” she giggled at me as she shook her ass. She wasn’t kidding though, Dusty was really digging deep with his tongue, sliding it right up her ass, licking out all of his cum from deep inside her.
I grabbed his collar and had to pull quite hard to separate them, he gave out a pathetic little whine, “Sorry Dusty, this bitch is mine now”
I knelt down behind Laurens sweet little ass, rubbing my knob up and down her lips, coating it in her juices before easing my way into her dripping pussy. We both let out a simultaneous moan as I slowly pushed my way in. I couldn’t believe how tight she was, like a warm, wet glove squeezing every inch of my dick until I was finally buried to the hilt in my sister. I just held motionless, luxuriating in the feel, this was the first pussy I had ever been in and I wanted to remember every moment.
I was rudely interrupted by Lauren’s voice, “Come on Alex, Dusty fucks better than this, do I need to get him to show you what to do?”
Hell no, I thought. I pulled back before slamming back into her, doing it over and over again until I had a good pace going, loving the sound of her ass slapping against my thighs.
“Is this better? Do you like your brothers cock more than the dogs?” I timed each word with a thrust, burying myself to the hilt every time, Lauren just let out a moan, her head hanging down, hair falling down covering her face.
I grabbed a handful of hair and pulled her up, forcing her to arch her back until she was almost kneeling upright, I then reached around, cupping one of her small breasts before roughly pinching a nipple. That got more a reaction, she writhed in my grip, grinding her ass against me, letting out a whimper.
“Yessss, fuck me bro, fuck me hard.” Lauren reached down between her legs grabbing my ball sack and lightly squeezing, I groaned in her ear before letting go and pushing her down to the ground, my cock slipping free of the slippery grip of her pussy. She was now lying flat on her stomach, legs still spread with me kneeling between them, and if she wanted a hard fuck then I was going to do my best to give her one.
I spread her butt cheeks apart, revealing her swollen asshole, still slightly gaping and glistening with dog spit. I moved forward, angling my cock down and pushing against her pucker. Even after the stretching Dusty had given her ass, she was still tight, far tighter than I had expected.
“Oh fuck Alex, you’re in my ass, your huge cock is in my asssss!” her last words drawn out as I buried myself inside her, I could feel my balls resting wetly against her pussy lips and all of my cock snug and warm inside her bowels.
I slowly pulled back, seeing her asshole being stretched and extending out, reluctant to let go of me, my dick came free with a popping noise, before I pushed back inside her. I could fuck her ass all day long, but I knew I couldn’t hold back much longer and time would be running out on us soon.
I stretched out on top of her and began making shallow thrusts into her ass, feeling every inch of my cock being squeezed as I eased in and out. Lauren just kept moaning, one hand still between her legs, working on her clit. Then I felt the weirdest thing, Dusty must have gotten impatient and decided to come back for more, as I felt his tongue go rasping up my balls and across my anus, startling me, causing me to flinch away and thrust hard into Laurens ass.
She let another squeal and said “that’s it Dusty, lick me all up, lick boy, lick!”
I didn’t know what to do, it was definitely weird but the combination of Laurens ass and Dusty’s tongue on my balls and asshole was pushing me over the top. I decided to just go with it and began hammering hard into Laurens ass. Spreading my legs a little wider, parting my cheeks and letting Dusty have better access I could feel his tongue licking my sweaty ass crack, edging me closer to another powerful orgasm.
“I’m gonna cum Lauren, I’m gonna cum in your dirty little ass!”
“Cum in me Alex, cum with me, oh god I’m cumming!” She started crying out, moaning loudly, I almost panicked, surely the neighbors would hear her she was so loud. But I was too close to cumming myself, with a couple more thrusts I pushed in as far as I could before firing several loads of cum inside her, coating the walls of her ass with my jism.
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