Spreading Transformation

Story by poweron on SoFurry

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#1 of Spreading Transformation (ARCHIVED)

Even more characters transforming and getting generally sexed-up with really really minimal story :)


She laid in her bed, the moon was full for the first time in a long time. Her crotch was on fire. Fur began sprouting from her crotch, up her belly and down her legs. The fur covered her modest breasts and crawled up her neck. The fur completely covered her face in soft gray fur. By now her arms and legs were covered in soft thick fur. She gasped. Her skin felt like it was on fire. Her panties began straining against her soaking vagina. She felt like her crotch was full of molten lava, her labia pulsing with every breath. Her clit began growing, straining outward exposing itself above her engorged labia and becoming massively sensitive. She put her hands down her underwear and submerged one then the other into her growing sex that pushed deeper and deeper inside of her.

Lubricant spurted copiously from her crotch soaking her underwear, streaming down her legs. She moaned long and hard as her orgasmed again and again, arching her back as her body was wracked with pleasure and pain as her body changed. Her vagina pushed out into a mound of pulsing flesh, her huge labia consumed her entire crotch, flapping open and closed revealing her hot wet inner flesh as her vagina winked open and closed. She began having a hard time keeping her hands in her crotch, her underwear became a thong in her front and back, its silk stuck between her thickened labia. She screamed as her underwear finally succumbed to her massive vagina. Her hips cracked and expanded to better accommodate her large mound. She rolled off the bed and fell on her chest. Her nipples pressed against the cold floor.

Her small fur covered breasts started to press downward painfully. Her vaginal lips squeaked in and out against the floor as she orgasmed again and again, hot liquid pouring out in waves. She screamed as her chest pushed out into B cup, then C then DD. Her nipples elongated to and her aureolas expanded. She could feel her breasts filling with liquid, hot milk. Her breasts started leaking out of her huge nipples. She screamed as her whole body was wracked with a final huge orgasm. Her nipples jetted streams of the hot milk onto the floor in viscous sprays. Between the mind-muddling orgasms she managed to flip herself over, her huge fur-covered breasts bobbed impossibly on her chest. Her face painfully pushed out into a sharp canine muzzle, she gritted her huge canine teeth as her face contorted.

She screamed through the clenched teeth as her crotch inflamed further, causing her body to arch in painful ecstasy. Claws erupted from her fingers and toes as she clutched her engorged breasts. She screamed, her legs cracked in the middle forming canine digitgrade joints. Her feet extended into long sharp toes to support her increased weight and mass. She felt a tail swishing behind her, being pushed into the floor. She struggled up, using her bed as a crutch. Her hands slowly reached behind her and felt long bushy tail sticking out above her perfectly formed butt cheeks. She pulled her butt cheeks slowly apart with her hand paws, her huge vagina becoming further engorged, demanding more attention. She moved her hands to her huge pulsating labia and leaking breasts.

Just then she heard a knock on the door. "Sis, you ok? I heard screaming.." She heard her little brother say through the door. The canine part of her mind sniffed the air, it was a male, giving off sex musk. He was only 16 but well into puberty. Her human mind resisted what her canine mind was telling her, to take him immediately, to fill herself. Her human mind countered that it was wrong, wrong, wrong, but that part of her was becoming quieter and quieter. "I am coming in" she heard him say. The door squeaked open, letting in light from the hallway. "Man its dark in here, where are you sis?" he said quietly. He fumbled for the light on the far wall but couldnt find the switch. It smelled acidic and pungent in the air, almost like wet dog.

He finally felt the switch under his finger and flicked it. Just then he felt something smash into him, knocking him to the floor. A huge dark creature loomed above him. He felt something wet and hot dripping on him. He began shaking, he tried to scramble away but it pinned his arms. His vision adjusted to the lights and he saw a giant tooth-filled muzzle looking at him. It was somehow familiar but he couldnt imagine how. "oh god, oh god, oh god" he began repeating. "James...." the creature said "I....". His eyes focused...it wasnt possible "Si...sis?" he asked meekly. "I cant......cant control....." the creature said huskily and deeply, lowering itself closer to his shivering body. "Sis.....is that you?" he asked, loosening a hand from the creatures grip and bringing it to its huge canine face. "I...I dont want this James, he.....help me....." she gasped through her inhuman muzzle. "What.....what are you going to do to me?" he cried out. He could see the creatures eyes they were his sister's eyes. He looked down, he realized that the hot liquid dripping on him was now, it was dripping from her crotch and white liquid was coming from her huge breasts whose giant nipples were mere inches from his chest. "I cant......arrrrr......arrghhhhhhhhh" she screamed as her body began shaking, she was fighting something inside her, her breasts began leaking milk faster onto him. Her grip on him became painful. "I cant control it James.....I need.....I neeEEEEEDDD YOU" she screamed as her crotch reignited into a heated rage of orgasms. "No, no no!" he screamed as she lowered herself onto him. Her huge tits began pressing into his chest. Her hard nipples pushed against his t-shirt, he could feel them throbbing, jetting small streams of milk, soaking his shirt.

He felt her lowering her crotch onto him, her wide hips enveloped his much thinner body. Hot liquid oozed out all over his jeans, soaking through to his underwear. Her huge labia squeezed against him, she began grinding her body against him, using her massive vagina to massage his crotch. She screamed as her body was wracked with an orgasm, her huge tits slapped Jame's face as she arched her back in ecstasy. Her thick wolf milk splashing in his face. She growled, dismounting him. She grabbed his jeans with her huge hand paws and ripped down, shredding the jeans without a second thought. "No....dont Sis, this isnt you" he said.

The words resonated this time. She pulled back "I cant...I cant...control this" she huffed, her crotch a virtual waterfall of lubricating sex juices. Her hands travelled to her crotch to cover her pulsating labia. In a mater of moments her hands were no longer attempting to cover herself but delving into her deep pulsating crevice, using her thumbs to tease her huge clit. "I need...I need you inside me to.....stop.....this" she said as she withdrew a hand from her crotch and pointed at her body. James scrambled up against a wall, covering his naked bottom half with his hands. He was breathing hard, tears filled his eyes. She could smell his sex scent, as minute as it was.

She screamed as her body's sex drive doubled and redoubled she could no longer fight it. She pounced on him and pryed his hands away from his crotch. She wrapped her muzzle around his small penis and began licking and sucking with her rough canine tongue. He screamed out as she lapped harder and harder at his manhood. Soon his penis, however reluctantly started to engorge and become erect. She withdrew her muzzle and pulled James up against the wall. She brought her huge crotch up to his cock and let its 5 inch length slowly pierce her wet womanhood. James was a virgin and was shocked at the heat and pulsating wetness that was her huge vagina.

She put her hands on his back and pushed him as deep into her as she could. It wasnt enough, it was too small. He started cumming, but it was a small spurt in her huge chasm. She howled as the lust got even worse, it was making it hard to concentrate or move properly, her only thoughts going to pleasure. She pushed her left breast into her brother's unwilling mouth, its long nipple pumped milk deep into his throat. She howled as her body began spurting milk in long hot streams from both breasts, her loose breast's milk splashing against the wall in a river of rich white liquid. James began choking and coughing as the milk filled his mouth and throat. It tasted sharp and sweet but it was choking him. The heat of the milk from her engorged teat burnt his mouth.

Finally after what seemed like ages she pulled away. She was breathing hard and collapsed backwards, continuing to pleasure herself with her paws. James laid against the wall crying, milk still dripping out his mouth, his penis ravaged by his sisters powerful vagina. Suddenly he felt heat starting to build in his stomach. The first thing that came to mind was the milk, it had to be the milk. The heat spread to his whole body, soon it felt like his skin was on fire. Soon he noticed his matted pubic hair turning from deep black to golden brown and thickening, cracking the caked on cum.

The heat began to spread intensely in his crotch. Soon there was an intense pressure as he sat with stupification as his small drooping penis began to elongate and thicken. Veins began popping out and becoming more pronounced, huge amounts of blood flooded into his head, it bloomed purple and became huge. His penis went from 5 to 8 to 10 inches within moments, soon he was holding a 12 inch monstrosity in his hands. Thick veins coursed around its length, feeding his engorged head. He screamed as he shot a load of cum onto the floor, his urethra opening wide as the hot white liquid spurted out of him. Short fur was growing out of everywhere. He came again, much harder this time, his entire shaft sticking up almost vertically as cum dribbled down it. "No.....no.........nnnnnnaaaaaaayyyyyyyy" he screamed as his face distorted and extended into an equine muzzle. His teeth grew huge and flat. His huge wet nose snorted. "What....what is happening to meee.eeee.....nnnnnnnnaaayyyyyy" he screamed, His crotch was on fire, his chest felt like it was on fire. His chest barreled out into that that would better suit a body builder, His fingers fused into 3 double jointed fingers with huge thick nails. His hips widened with a sickening crack, his but sprouted a long hairy horse tail. He groaned as his testicles began to expand, going from the size of cherries under his huge shaft he grabbed them with his hoof hand. His disfigured fingers cupped around his scrotum as it pulsed with veins that throbbed and receded back into his huge flesh shaft. Every time his balls grew larger a huge wave of cum spewed from his penis. Soon his balls were as large as oranges, the weight of them was immense. They were tightly wrapped in black skin and pulsing with potency and drove his desire to mate. A thick mane sprouted on his head and grew to the small of his back.

Before he knew it his sister was mounting him again. "Nnnnn.....nnnnooooooo sis" he stammered through his horse face. "I cant....stop.....oh....god....oooooooh.......nnnnnaaaayyyyyyy" he whinnied as his sisters deep vagina engulfed his throbbing shaft. Her thick walls gripped at him and her breasts were leaking all over his furry body. He felt himself tense, he was about to cum again. His shaft was made of rock inside her. But nothing happened, his huge urethra seized up. He felt like he was going to explode. "Arrrrghhhhhhhh!!!!!!" he bellowed as his penis began growing again, pushing deeper and deeper into his sister. His balls throbbed, growing to the size of grapefruits, pushing his legs apart. "Tooo.....toooo bigggggg!" his sister huffed between moans and howls of pleasure. Pussy juice was flowing all over his crotch. He pulled her down onto himself hard with his hoof hands, forcing her to take all of his huge cock. He began to cum violently. Each time he felt a river of cum stream deep into his sister. "Noooo......nnnnnaaaaayyyy" he bellowed as his huge penis head completely filled his sister with white sticky cum. After the third time her vagina could hold no more and it backflowed out of her thick heaving lips.

She grabbed her breasts and squeezed her nipples as hard as she could releasing huge torrents of hot milk. He grabbed her back and pressed her deeper onto him, her eyes rolled into the back of her head, her canine tounge rolled out of the side of her mouth. He came again and again, his penis was massive and began to lift her up off the floor. Soon only 6 inches of his massive girth was sticking out of her crazily throbbing vagina. She howled as more breasts grew out of her chest in rows. Soon her small teats were little smaller than her main pair of breasts, she was leaking milk everywhere. She was losing complete control, her brothers huge penis lifting her off the ground with its massive length. They both reared their heads as a final huge orgasm washed over them, spending all their juices. Her breasts spewing hot wolf milk everywhere while her crotch was overflowed with a huge torrent of her brothers horse cum as his huge balls convulsed below her. After their bodies has thoroughly expunged the last of their juices, his penis heaving dryly and her engorged nipples only dripping drops of milk.

His penis began to recede into his quasi human horse sheath and released his sister onto the floor. They both passed out almost instantly in the flood of their own juices. Slowly their bodies receded into their human forms. Her huge vagina receding into normal human size as well as her lower breasts receding into her chest while her main pair shrinking into A cup again. Her brothers huge two and half foot penis shrank back into its 5 inch length while his mane and horse features morphed into human proportions. His body became scrawny again, losing all its muscle definition.

He woke up first, slumped against the wall of his sister's room, his skin caked in foul smelling cum. His memory was hazy he could remember heat, lust, his penis, cumming over and over, but not any details.

A Week Later

He was walking down the hallway at school. He spotted Sarah up ahead in the hallway. He began day dreaming and walked straight into the back of one of the football jocks. They didnt take all too kindly to being bumped into by a nobody like him. He felt himself hit the lockers, hard. His head was ringing. Sarah was looking at him over the shoulders of other gawking onlookers. The jocks were saying something to him but he couldnt concentrate on the words. He could only hear his heart beat, it was speeding up faster and faster. He felt ashamed that Sarah was seeing him like this. His face turned red as he could feel an erection coming on, despite the light pummeling he was begging to take. Tan fur was starting to spread down his chest, he felt itchy everywhere. Soon the bullies noticed that his pants were tenting from his raging erection. He covered himself quickly and made a dash for the bathrooms. Luckily none of the jocks followed him, they got what they wanted already.

He shut himself into a stall. The heat was everywhere on his body, he felt like his insides were being ripped apart. Suddenly he has a flashback to that night with his sister. No....no it couldnt be. He groaned as he balanced his head against the stall door. His pants felt so tight all of a sudden. "Ahhhhhhh......" he moaned as his penis peeked above his shorts. His bones began cracking, he was growing, soon he was almost 7 and a half feet tall. His head just inches from the low ceiling. His shoulders widening as golden fur covered his body. He pressed his face hard against the stall door as his face began to push out into an equine muzzle, his teeth distorting into huge flat horse teeth.

He screamed as the stretching pain coursed through his skull. His ears pushing up onto the top of his head and becoming pointed horse ears. "N.....nnnawwwy nnnooo" he bellowed through his hose-like head. he remembered now what happened with his sister in her room that night and it was happening again. He tried in vain to push his face back into its human shape, His crotch began to command more attention as heat throbbed through his growing shaft. His penis was halfway past his belly button, its shaft was thickening and straining with the beat of his heart. His balls were pressing painfully into his pants, soon they began erupting out of the legs of his shorts. His zipper breaking in two to display his huge head. His hips snapped wider and wider to allow his huge balls to rest between his throbbing, shifting legs. Soon his shorts gave way to his huge and growing package.

His penis sprang forward as its support gave way. He grabbed his huge balls with his now hoof hands and squeezed them in a futile attempt to reduce them back to their original size. His huge scrotum dropped by a few inches and allowed his huge balls to swing below his still growing penis. Huge veins of pulsing blood pushed his shaft larger and larger. Soon he had a 1.5 ft monstrosity swinging in front of him. Its huge head flattened and flared. He grabbed his huge penis and pulled it towards his chest in an attempt to contain it, but it was too large and becoming too stiff. It flew out his hands and slammed into the stall door. The impact sent a shudder down his penis and he felt his huge balls tighten.

Just then he heard the door open and footsteps through the bathroom. He heard "James, are you in here?", it was sarah. "Oh no, not now" he thought and began to panic. He ducked down in the stall, his huge sac hit the floor, but his penis wasnt de-engorging. "James, that was really mean of them, I wanted to say...I wanted to say...that I am sorry". "James?" she asked again, slowly entering the mens room a step at a time. She began to turn to go and then she heard "Wait....". "James? Is that you? Are you ok? your voice is weird" she said back to the line of mens stalls. She began to walk back towards the stalls. "Sarah...I... you cant....dont come closer..." he groaned. She peered beneath the stalls until she saw what she thought was a huge sack of flesh. "What....the" she gasped. She took a step back in shock. He realized she saw him. His penis began leaking precum down his shaft. He began shaking, he realized he couldnt let her tell anybody about this, he just couldnt. He burst out of the stall, his huge penis swinging wildly.

She was confronted by a giant man-horse with a shockingly large erect penis. The only things that differentiated it from a full horse was that its torso was human looking, if not more buff and it was standing upright. Before she knew it the hulking beast man was on her, grabbing her arms with its huge rough hoof-like hands. "Sarah....dont...dont scream" the creature stammered. The huge penis was smashed up against her, its huge pulsing leaking head mere inches from her face. She was overwhelmed by the horse cum musk in the air. It was hard to breathe.

Clear precum was leaking in a small torrent from the horse man's penis. Some of it was streaming down the huge length of his shaft, some of it was making its way onto her exposed stomach. He bellowed "I cant...I cant hold it in!!!" as his grip tightened on her arms. Before he could say anything more or she could scream for help his shaft stiffened and grew by several more inches. White cum violently spewed all over her face. She screamed as the huge globs of steaming hot liquid poured over her body. It seemed like it would never stop. He braced himself against the wall with his arms, the gushes of white cum coming out his huge penis were immense and showed no signs of slowing. His huge swinging balls were convulsing hard as he cummed over and over again all over the wall and Sarah. She was completely covered with globs of white cum, covering her completely from head to toe, her shirt beginning to slip off her shoulders from the weight of it. She stood there in shock as his spurts began to lessen until a small dribble was all that remained from his huge still convulsing urethra.

She began screaming, he didnt know why until he saw his cum starting to soak into her skin. Soon all but a few globs that landed on her clothing were absorbed into her body. Her breasts were the first thing to change. Her nipples stood at attention as her breasts began to balloon outward.Her heaving cleavage was ready to burst, her blouse was badly ripped and her bra was at its limits. She screamed as her nether lips flared out, thickening and slavering her thick juices into her panties. The horse man took notice and thrust his thick digits deep into her, straight through her panties.

She instantly orgasmed, clawing at the horse, her eyes rolling into the back of her head. Her ears grew out into large flabby rabbit ears in a moment. Her breasts began heaving, larger and larger with every breath. Her bra finally gave way, her huge globes bounced out. White fur began covering her body as the horse thing positioned its huge tool for her vagina. The fur accelerated up her body as its huge head broke through her lips. It was too large! She felt her insides shifting and moving to accommodate the length and girth. Inches upon inches disappeared into her crotch, she gasped. She grabbed the huge penis and shoved it even further into herself, beginning to grind against it. Her face pushed out into a muzzle with a pink rabbit nose, but she didn't even notice in the throws of such heat. A fluffy white trail sprouted above her perfectly curved ass.

She screamed as her legs cracked and reversed themselves into digitgrade. White fur was everywhere, her clit grew more sensitive, vigorously rubbing the huge tool inside her. She squealed as cum filled her, overflowed out of her, it was everywhere. Her brain knew only lust and passion, the hormones were too strong. The huge penis pulled out of her with a great sucking sloshing, her swollen lips were reluctant to let it go. She orgasmed again as the giant head cleared her labia. Her eyes rolling into the back of her head again as her breasts started to lactate down her perfectly toned stomach and legs onto the floor. His huge tool finally hilted, their hard foreskin slapping together. His huge balls were like battering rams, pendulously slapping her with ever thrust, their immense convulsing weight pressed against her nethers. They continued like this for hours, each orgasming over and over as their combined juices covered the floor and each other.