Beast

Story by Hinny Mule on SoFurry

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My stories are copyrighted, so NO take!

Beast

By William W. Kelso

I looked up at the demoness and grunted in pleasure as I kept fucking the goat, but it was a horrible pleasure, sickening and unnatural. I had been helplessly fucking the goat; to the demoness's great delight, nonstop for over an hour, unable to stop as I rammed my aching cock in and out of its slick wet vagina. I wasn't truly being forced to, but the demonic beast had cast a spell on me making me so rampant and aroused it was painful, and then sadistically provided the goat as the only means to try and slake my horrible lust. I resisted at first; but eventually had no choice but got give in to my horrible lust and need, and was horrified and revolted as I mounted the apparently equally aroused animal, but couldn't stop myself. But it wasn't working, with every thrust I thought I would orgasm from the intense pleasure, but it went on and on as I kept fucking the goat, my thighs slapping against its furry rump, desperate to cum. But I didn't want that intense sickening pleasure, not like this.

Somehow the demoness had broken free of the pentagram, and I was hers now, and she was evidently taking great pleasure from watching my degradation and unwilling act of bestiality. I lunged into the goat's vagina again; hilting with every thrust, moaning from my horrible need for release, and begged,

"Ugh, uggghh, please, 'slap', uh, ohhhh, 'slap', I...please make it stop, ugghhh!"

"But you're having so much fun," the demoness hissed, "you should listen to yourself, and your 'lover' is enjoying your services too, listen to her bleat in pleasure as you mate with her, she longs to be filled with your seed."

Over the squealing of the goat; as I kept fucking it, I sobbed, "This, ohhh, 'slap', uGHHH, isn't, oh, ohhh, 'slap', ugghh, what I wanted!! 'Slap', Nuuuggghhhh!! Y-You, 'slap', tricked me!"

"Oh come now," the demoness said, "you told me you wanted all the sex you desired, to be able to fuck any female you desired, and are you not doing so?? Did I not also give you the larger genitals as you also requested, did you not eagerly mount the female I provided, and are you not having sex even as we speak? Are your moans not those of lust and pleasure, just as you desired? Was it not generous of me to provide you with an eager mate to help you try to slake that lust, satisfy your need? Is her pussy not the wettest, slickest, hottest cunt you've ever fucked, is it not giving you incredible pleasure?"

I looked down at my thick eight inch cock as it slid in and out of the goat's slick, loose, sloppy pussy, fluids dripping down my legs, my thighs slapping into her rear with meaty thwacks. The goat bleated in pleasure as I hilted again, my cock throbbing, balls aching, and the pleasure was almost unbearable, horrible, wrong..

"UGGGHHHH, not, 'slap', not..uggghh...with...'slap', uggghhh, an...an animal!! 'Slap', UGGHHH!!" I gasped.

"Well," the demoness said, "you just said you wanted to fuck females, you didn't specify species, and she was the nearest available one. I think the two of you make a lovely couple."

"Nuuuhh, nooo, 'slap', uggghhhh, please, oh, uh-uh-UH, 'slap', not with, uhhhh, 'slap', an animal!!" I begged as I kept thrusting .

I sobbed in agonizing ecstasy as I watched my cock slam in and out of the goats vagina, my pubic hair mingling with the fur at the base of her tail every time I hilted, so hot, so slick, so...much... pleasure, but so horribly wrong. I'd wanted sex, but not like this, not with an animal!

"NOT, AAHHHH, 'slap', WITH AN...UGGGHH, 'slap', UGH, UGGHHH...'slap', ANIMAL!" I sobbed loudly. Oh God, I couldn't stand it anymore, I need to cum so badly! 'Slap', UGHHH, 'slap'!"

"Hmmm," the demoness said. "Well, since I already own you; body and soul, I really don't have to do this, but I'm in a generous mood. I'll make you an offer, mortal. If you can keep from cumming until the break of dawn I'll let you go, BUT you have to keep fucking the goat the whole time. If you pull your cock out once, or stop, the deal is off. AND the whole time you're fucking her you'll be slowly transforming into a goat yourself; but if you don't cum before dawn I'll change you back, and let you go. But if you cum before dawn you'll be stuck as a part human/part goat beast, and you'll join the breeding herds in Hell as a stud. What say you? Have we a bet??"

"Uggghhhh, 'slap'." I gasped as I serviced the squealing got, but what could I do? So I gasped out a 'yes' in-between my moans from the horrible unnatural pleasure as I fucked the goat. It was my only chance to avoid eternal damnation.

So I kept coupling with the squealing bleating goat, speeding up, then slowing down as I felt an orgasm approaching, my eyes clenched shut as I gasped from the slowly increasing pleasure. Oh God, it felt so good! No matter how I fought it; tried to deny and ignore it, the pleasure kept growing. But somehow I fought down my lust and need for release, but as the demoness had said I kept fucking the goat, not daring to stop or even slow down too much. How long until dawn, I wondered?? And, oh God, I could feel myself changing!! It was slow, but steady. My legs were starting to cramp a little, my skin itching and twitching.

"Ugghh, 'slap', uh-uh-uhhhh, 'slap', ohhhhh, UGGHH!" I gasped and moaned, it hurt, it hurt...so...good! I needed to cum so badly, but I couldn't let myself reach that release, and desperately fought to beat back my lust even as I kept lunging into the goat's hot slick sex, the animal squealing in pleasure. I now had to deny myself the release I so desperately needed, it was my only hope; but it was so hard. I needed to CUM!! But didn't dare let myself reach that relief!

And as I fucked the goat I felt her pussy getting tighter as my penis began to thicken and lengthen, and I groaned as I felt my balls began to sag lower as they grew in size and weight, throbbing and aching. And her scent, I could smell her sexual arousal now, sweet and potent, and felt my own lust increasing, but it was an animal lust, there was nothing human about that horrible growing need in my loins as my horrible unwanted pleasure became less human, more...animal. Grunting I started thrusting faster, oh yess, almost there!! It felt sooo good! "'Slap', grunt, 'slap', ugHH, 'slap'." Soo close!! But NO, NO, I couldn't!! But I needed to CUM so badly!! Gasping, I managed to slow down my thrusts, and felt my peak fading as I regained control. Oh God, I had almost lost control, given into my increasingly bestial need!! But still I kept fucking her, not daring to stop. "'Slap', grunt, 'slap', ugghhh!!"

My legs suddenly cramped violently; and with a loud groan of pain I adjusted my stance, and the new angle caused my penis to slide even deeper into the goat's pussy, and it squealed in pleasure as I gave a gasp of surprised pleasure. "UGGHH!" Looking down I saw my legs were now covered in dark brown hair, and ended in split hooves instead of feet, their shape all wrong. I realized in horror that I now had the hindquarters of an animal!! I looked up at the demoness, and moaned as my thighs kept slapping against the goats rump. It hurt, it hurt so good! CUM, I-I needed to...NOO!

"Yesss," the demoness hissed, "that was close, you almost came that time. I can smell your lust growing the more you become a beast, why don't you give in, the pleasure will be incredible, and I'll leave you as a Satyr, half man, half goat. Your time in Hell will be much more...enjoyable that way, your sexual partners more...varied. I will have you trained as a pleasure slave. Hisss!"

"NOOO, 'slap', UGGHH, I won't, I...'slap', uh-uh-UGH, won't cum, 'slap', I'll win!! You'll see! UGH-OH-UGH-UGH, 'slap', I'll beat you!" I managed to gasp out as I thrust and thrust, trying to beat the pleasure back at the same time. I gritted my teeth, tears running down my cheeks, must...not...give...in! Must...not...CUM!

"Very well," the demoness hissed; "then it continues. Your hindquarters are mostly changed, now for the rest!"

I dug my fingers into the goats hairy back; grasping handfuls of fur as I held on, lunging into her, fucking her brutally, trying desperately to hold myself back, to deny the release I needed so very badly, but it was getting so hard!! Oh God, she smelled so good, her sex felt so wonderful to my aching throbbing cock as I hilted with each thrust, her slick wet vaginal muscles clasping and stroking my shaft, my balls swinging in rhythm with my thrusts like a large obscene pendulum, and I could feel them pulsing, my scrotum taught and swollen. I...I needed to cum, so...so badly!! But NO, I had to fight it, resist!! Stay human! But...but it was so hard, oh God, it felt SO GOOD, the pleasure agonizing!!

"Please...'slap', I gasped, ugggghhh, 'slap', stop...uhhhh, make...'slap', it...uggghhhh...stop! "'Slap, UGH-UGGHHHH! SLAP!'"

"All you have to do is let yourself orgasm, and it will stop," the demoness said. "Only two more hours to go."

"I...I...UGGGHHHHH!! 'SLAP'!" I sobbed. I needed to cum so badly, but I couldn't, I didn't want to be a beast! But the pleasure, the NEED, ohhh God!

"That's it my pet," the demoness hissed, "give in to your needs! Do not resist, empty your balls and feel the ecstasy, and that will only be the start! I will give you an eternity of sexual pleasures you can't even imagine, just give in, just let yourself cum!"

"Nuhhh, 'slap', NO, UGGHHH!! 'SLAP', I-I'll beat you! 'Slap!'", I gasped.

I watched helplessly as thick brown hair slowly grew and moved up my body from my crotch as it spread, and I could see the penis sliding in and out of the goats nice tight pussy was now a dark red color where it emerged from a penis sheath, my sex now entirely that of an animal, and the pleasure as I thrust into my 'mate' was almost painful now, an unbearable ecstasy, my need agonizing. And it felt wrong, so very wrong. With every lunge I thought I'd cum, but I fought to control myself, to hold onto my humanity.

"UGGGHHH, 'slap', UHH, grunt, uh-ahh-'slap'-ahhhhh!!" I squealed in pleasure as I fucked her and fucked her, digging in my hooves so I could thrust harder.

The fur crept over my shoulders and down my arms, itchy and horrible to see as it thickened and flowed over my body, first thin and downy, then thickening into a pelt. I moaned as my fingers began to cramp, my nails thickening and turning black as my fingers began to grow together, and felt a brief sharp pain at the base of my spine as I grew a short tufted tail, and I could feel it twitching and flicking behind me, flagging as I kept fucking the female. Cum, oh God, I need to CUM so badly!! But NO, NOO! I'll win, I have to!!! But...the...NEED!! NOOO, I don't want to be like this forever!!

"UH, UH, 'SLAP', UGGGHHH, 'GRUNT', AHH-BA-AAA, 'SLAP', NUHH!" I grunted, horrified to feel my face beginning to bulge and push out, watching as my nose turned black, wet and sensitive, flaring my increasingly sensitive nostrils to take in the heady scent of the female I was mating with. "NOOOO, 'SLAP', NAAAHH, P-PLEASE!!! 'SLAP', UGGHHH, UGH, UGHH, 'SLAP', BAA-AAAAA!! NAA-AAAA!! 'SLAP!'"

"Let yourself cum, and it will end." the demoness said, smiling as she watched the two beasts coupling, the 'man' hardly distinguishable from his 'mate'. Not long now, she thought.

With a sudden loud snap I felt my spine suddenly give and change its shape, and with a squeal of pain I lost my grip and fell forward over the goat's back, my cock sliding even further into her sex as the angle became more 'natural'. I groaned in pleasure, my head resting on her neck as I panted for a couple of minutes until the pain in my back faded, and then I tried to rear back up, but my fingers had become three large clumsy digits made up mostly of slick hard nails, and I couldn't get a grip anymore, and my 'hands' just kept sliding off, so I finally just let them dangle as I gripped her around the middle with my front legs, and could feel my fingers fusing in into split hooves. In horror I realized I was a quadruped now, a four legged animal. Looking down my face I could see my nose, black and wet, the skin I could see covered in brown fur. But it wasn't over as my neck began to swell and push out, my jaws still lengthening and reforming, and I felt two stabs of pain on my head as horns begin to sprout.

"Nuuu, 'slap', N-aaaaa, grunt-grunt, 'slap', BAA-AAAA!" I squealed and bleated in horror, no longer able to make any intelligible sounds as my long thick tongue slobbered over large square teeth and my vocal cords reformed. NO, PLEASE!! "NAA-AAAAA, 'slap', grunt-grunt, 'slap', BAAA-AAAA!!"

I squealed as I felt horns push out of my forehead, growing longer and curling backward, my ears pushing out and becoming pointed, growing longer and furry before flopping down. Oh my GOD!! I realized in horror, the change had ended, I was a...an animal now, a-a goat!! Then I gave an even louder squeal of pleasure as my cock and balls suddenly underwent another growth spurt. The goat's pussy got a little tighter; my balls swelling and throbbing, sagging even lower, and with a guttural bleat of lust I sped up my thrusts. NO, NOO, NOOO! I thought, and despite the agonizing need I managed to slow down again, gasping from the effort. Oh GOD, I needed to cum so badly!! But I couldn't; wouldn't, give in to my horrible agonizing need!! If I did I was doomed. As my lust slowly faded to a controllable level I looked up at the demoness triumphantly, I was in control again! I kept fucking the goat as I had no choice, but now I knew I could keep myself from cumming. I might be an animal now, but my human mind was in charge and I'd be free, and a man again!! I'd won!!

"BAA-AAAA!" I bleated in pleasure, and relief, I'd won!!

The demoness gave a brief smile, baring her fangs, and getting up came over to me. I looked at her nervously as I kept lunging into the now frantic goat. The pleasure was incredible, but I was in control! I might have an animal's body, but my mind was still human.

"Most impressive," the demoness said, "I thought you would surely have given in to your needs by now, especially your new bestial lust. But I think I know what the problem is, let me see if I can... help."

I grunted as the demoness reached down and grabbed my swinging balls, gently holding one in each hand. Wha...what is she doing?? I wondered, turning my head and looking at her, bleating nervously even as my hindquarters kept thrusting. And then she began to squeeze and fondle the large hot shiny black orbs, holding one in each hand as she kneaded them with her strong powerful fingers.

"UGGHHH, 'SLAP', BA-A-AAAAA!" I squealed, oh God that felt good, and I felt my lust began to build again. NOOO! I thought, NOOO, stop!!! I've won, this isn't fair!! Ohhh God, it feels so good!! NOOO, STOOPPP!! "BAA-AAAAA, 'SLAP', GRUNT, 'SLAP', BAAA-'SLAP',-AAAA!!" I squealed as I started thrusting faster, unable to stop myself. NO, NO, I...I...WON'T...CUM!! I looked at the window, how much longer till dawn!?! Had...to...resist...n-need...to...CUM!! NOOO!

Suddenly I felt a wonderful tingling warmth flow into my balls, and then up them and into my cock, and to my horror felt my balls began to swell yet again, and my cock began to lengthen and thicken, and it felt like I was getting an erection even as I helplessly kept fucking the goat, grunting and squealing in unbearable pleasure as I lunged into her, faster and faster as the beast took control. And as her pussy got even tighter; my cock making squelching sounds as it slid in and out of her sex, I felt my lust return tenfold, and with a gasping bleat began to thrust harder and faster; unable to stop myself, the lust, the aching need irresistible now, I need to cum, I HAD to CUM!! Oh God, the LUST, the NEED! HAVE...TO...CUM!! I thrust faster and faster, my whole body trembling in building ecstasy. NOO, NOOOO!!! PLEASE! I wailed in my mind as I lost control, the animal now in charge as I thrust faster, and faster, the goat screaming.

"UAAAA, 'SLAP!', NAAAA, 'SLAP!', BBAAA-'SLAP'!, AAAAAA!!! I squealed and bleated in helpless horror as I felt my balls begin to throb, oh God NO, stop, stop!! But I couldn't!! "N-AAAA, 'SLAP!",grunt, 'SLAP!', BAA-AAAAA, 'SLAP!', grunt, 'SLAP!', grunt!"

The demoness smiled, and said, "Feels good, doesn't it, my fine stud?? Feel your balls swell, your cock grow, feel her pussy getting tighter and tighter, does it not feel wonderful?? Feel your insatiable lust growing even more as you become an animal. And you will continue to grow, larger and larger, until you give in to the inevitable and cum. Did you really think I would just let you go?? Oh no, but I must admit you're a strong one, your resistance was most impressive. You will make a find breeding stud. Few studs in Hell will be as well endowed, or as insatiable as you."

I lunged desperately, the animal I had become in full control, and could feel an irresistible pressure building in my aching balls as they began to pulse, my cock throbbing more and more each time I hilted in that tight juicy pussy, my balls and cock growing and growing, swelling, lengthening, thickening as the demoness kept fondling and kneading my balls. NO, NO, I screamed in my mind, STOOPPP!! It's not fair! I won, I WON! Looking up with my mouth open in a silent scream, tongue lolling out, I watched as the small basement window began to lighten. NO, NOOO, so close, only a few more minutes!! I had to fight, regain control!! But the...the...horrible...agonizing...pleasure!! I needed to CUM!! And still my balls and cock continued to grow!

"NAAA-'SLAP',-AAAA, 'SLAP!', GRUNT, 'SLAP!', BAA-'SLAP!', AAAAA, 'SLAP!', GRUNT, 'SLAP', GRUNT!!" I squealed in agonizing ecstasy. "NAA, 'SLAP!',-AAA!! SLAP-SLAP-GRUNT-SLAP-UGGHHH-SLAP-SLAP-SLAPSLAPSLAPSLAP!!!

SLAPSLAPSLAPSLAP!!!! I...I...the light, it was almost dawn!!! Have...too...stop...!! I...I can still...! Then suddenly the demoness squeezed my balls and began kneading them even harder, and with a bestial scream of agonizing ecstasy I felt my balls clench and strain, and a huge orgasm racked my body as my cock throbbed and pulsed as I brutally climaxed, my cock blasting thick hot cum into the goats womb. NO, NOOO, NOOOOO!!!! I screamed in my mind even as I bleated and squealed in ecstasy and sexual euphoria as I came, and came, ....my whole body shuddering; head thrown back squealing as I filled the shrieking goat with my inhuman cum, my cock pulsing and pulsing, the demoness squeezing my balls brutally as she hissed in sadistic amusement. NOOO, so close, so close, it's not fair!! I won!! I thought, oh God, please, I don't want to be an animal! "NAA-AAA, 'SLAP',NA-NA-NAAAAA!!" Oh God it felt...so...GOOD!! I kept thrusting desperately as the pleasure went on and on and..."SLAPSLAPSLAP!!"

Finally; after what seemed like forever, the horrible pleasure faded, and as I dismounted from the goat; my cock sliding free with a slurping pop, I realized we were no longer in my basement. With a squeal of desperation and denial I tried to stand up, but fell back forward onto my front legs, my hooves clattering on the stone floor. But not before I had seen what hung between my hind legs. My balls were the size of softballs; my black shiny scrotum stretched almost to the point they dragged on the ground, and my cock jutted out fifteen inches from its sheath, dark red and slick, veins pulsing along its inhuman length. NOOOOO, I thought, that's impossible!! And I could feel my balls throbbing and pulsing, my cock bobbing in lust, pre dripping from the tip in sticky strands. And it was like I hadn't even just had a massive orgasm, there was no sense of release or satisfaction, only that horrible lust, an inhuman, animal, bestial lust. I gave a sad bleat, this wasn't fair! I'd won, I'd WON! I looked at the demoness, tears running down my muzzle from the only human trace remaining, my horror filled eyes. "Naaaa-baa-aaaaa." Please, please change me back!! I begged with my eyes.

The demoness smiled in satisfaction at the look of horrified realization in the new studs eyes, the pleading in them just amusing her. Stepping forward she slipped a halter over the beast's muzzle, and hooked on a lead rope.

"Come beast", she said, yanking on the rope. "We need to put you to work; we're always short of good breeding stock. Welcome to Hell!" Lowering its head the animal followed her obediently, its huge phallus bobbing under its body; trailing strands of pre, massive balls swinging slowly. She lead it to a huge cavern, then down a short ramp to where a huge herd of goats grazed on sickly pale looking grass and other fodder. Unhooking the lead rope she stood back, and said, "This is where you will spend eternity." At first the Billy goat did nothing, but then unable to resist the scent of females in estrus he wandered into the herd in search of his first mate, other goats bleating in welcome to the new stud. With a smile the demoness turned and left, he would know what to do. He had no choice.

I snuffled at the goats rear, then with a bleat of pleasure I mounted the large shaggy nanny goat, and grasping her with my front legs, lunging into her until I hilted with a squeal of pleasure, her ripe swollen sex nice and tight. Despite her tightness she took every inch of my rampant aching cock, they always did. I grunted and squealed from the agonizingly intense pleasure as I serviced her, my huge balls swinging back and forth. I knew it would take me about fifteen minutes to mount and service her; I was averaging about four females an hour now. Slowly I sped up my thrusts with a grunt of lust, it felt...hurt...so.....good!! "BAAA-'SLAP',AAAAA!!"

The demoness watched in delight as the Billy mounted another nanny, the new herd stud had been performing quite well. He seemed to be slowly accepting his new 'position' in life. At first he had only mounted and serviced females when his need became too strong to resist, but now he was doing it much more frequently, and seemed to almost enjoy the couplings, his squeals and bleats of pleasure as loud as his mates. She walked over to the coupling animals, and as she ran her hand down his hairy back he turned his head to look at her, his human eyes full of resigned despair; and bestial pleasure, as he grunted and thrust into the female with rapid powerful thrusts. Despite her attentions he didn't stop, he couldn't, he was fully committed to finishing the coupling.

"Yes my pet," the demoness hissed, "that's it, that's it, do what you were meant to do, give in to your lust, become the beast you are, pleasure yourself and your mates as often as you can. You have no need to sleep or eat, eternity for you will be one of never ending agonizing sexual ecstasy, your lust growing and growing. Soon you will be able; and need, to service a female every five minutes, or even more often. Now I will leave you to your labors."

I watched as the demoness left, then looked at the hairy back of my 'lover' as I fucked her, desperately trying to reach the release I needed so badly, tears running down my muzzle. It hurt, it hurt so good!! And she was right, God how I needed that horrible pleasure as I tried to satisfy my insatiable lust. It was all I wanted now, all I lived for, all I needed, but it was never enough. No matter how many females I filled to overflowing with my cum, no matter how many I serviced, it was never enough, would never be enough no matter how hard I labored. Then I bleated and squealed in ecstasy as a massive orgasm racked my body, and came, and came, and....eternity was just starting, and I knew I would spend it as a sexually insatiable animal with a human mind, never forgetting I had once been something else. With a final grunt of pleasure I let my cock slide from the goat, the tip still dribbling cum, and with an eager squeal mounted the next female who presented herself for my services. It...hurt...so...good!! 'SLAP, SLAP, SLAP, SLAP!"

The End

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