FSE

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formerly SoFurry search engine

Insatiable

By Cimmaron Spirit

Commission for DCrest13

WARNING: This story contains: muscle growth, cock growth, hyperphallic, male to herm, breast growth, human to canine TF, excessive cum, musk, vagina growth, selftit-job, autofelatio, anal sex, vaginal sex, masturbation, fingering, sounding, household objects as sex toys, constant sex, and lots of other stuff. If you aren't 18, or ff this isn't up your alley, then you better go somewhere else. Otherwise, enjoy!

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Danny hummed to himself as he retrieved the box from the front steps of his house. He was curious, because he didn't remember ordering anything, but he must have. Why else would anyone send packages to him? So in to the house he went, door closed, and box opened to see what he got.

He grabbed a knife and cut into the tape on the top, digging into the plastic foam peanuts to see what was inside. His hand touched something metallic, so he pulled it out.

And in that moment, Danny was done for.

“Hmm, what's this?" he asked himself, looking at the strange medallion in his hand, with a bright green crystal in the middle that glowed brightly in the light of the house.

But something didn't feel right. Like his clothes were growing too tight, especially around his crotch…

He looked at the medallion, and gasped as he saw that his hands were now covered in white fur, his fingernails replaced with claws.

“Yip!" he cried out, dropping the medallion, looking over his hands. Not only was it white fur, but also black spots all over, like a Dalmatian dog.

Everything suddenly went dark, which first made Danny panic that he had passed out, shock from the sudden appearance of hair on his hands. But, after a moment, he realized that it was his hair: the neatly-trimmed black hair on his head he usually had suddenly sprouted three feet in length, the heavy mane draping over his shoulders, his back and his front like a curtain. When he reached up to brush the hair away, he froze as his his fingers brushed against his cheeks, though it felt like it was in a different place than before, but it was still his cheek? But it was also fuzzy, like if he hadn't shaved in his life. His other hand reached up, felt around and over: touching his nose, which felt wet and cold to his fingers, but it was several inches in front of his face…

“Wait a minute…I have a muzzle? Like a dog?" Danny exclaimed, his words slurred and lisped, due to the sudden change to his face… and the rather large, fat bottom lip that stuck out from his muzzle.

RIP! RIP! RIP! Before he could contemplate the fact that he was now a bipedal dog person, Danny's wardrobe suddenly began to tear away all over his body. He looked over himself, at least as well as he could as his neck grew thick with muscles. He looked down in time to see his stomach, with a little bit of pudge from a bit too much junk food, become perfectly flat and turn into a six pack abs that would put many bodybuilders to shame, and quickly covered by the spread pelt of white fur. His shoulders bulged out with rock hard muscle, bowling ball sized and making him almost as wide as he was tall, to accent the vein bulging biceps that had basketballs shoved under the white and black spotted cover.

Even lower, his thighs and calves bulged out, forcing Danny to widen his stance so as to not fall over. His toes burst out of his shoes, revealing that he was now the owner of a pair of thick digitigrade legs, with wide paws to support the sudden increase of muscle mass. With a groan, he felt a pain just above his butt, and, struggling to turn around, he noticed a long, but somewhat skinny tail wagging excitedly behind him.

Though it wasn't just the addition of muscle that must have added over twice his previous weight to his frame in moments that made him unsteady, but the long, fat, red rocket attached to his groin. His cock was over three feet long and pointing straight ahead, and leaking copious amounts of clear pre seed, the equivalent of a normal ejaculation with each throb and pulse of his dick. Fueling the lewd log on his groin was a pair of heavy, watermelon sized balls, sagging in their new fuzzy white and black sac just below his knees, and churning, pulsing, producing cum and sperm in industrial quantities. At the base of his cock, a thick fuzzy sheathe that couldn't possibly have held the massive cock was formed to attach to his body, but it had been hidden by a massive, bulbous knot that ballooned out, as wide as Danny's torso, bright red with thick purple veins bulging all over.

But he wasn't done yet, even with the instant sexual gratification of a meter long fuckstick, muscles to make professional bodybuilders jealous and ashamed, and a sudden species change that any furry would kill for. Because at that moment his chest, already massively expanded into rock solid pecs from the muscle growth, began to expand again, growing round and heavy, until the thick shelves he had before were replaced with two perky white and black basketball sized breasts, with shot glass sized nipples standing at attention on each of his new boobs, leaking a thick and heavy milk constantly and quickly dripping onto the floor and mixing with the precum.

And not only that, something felt… off between his legs. But with the tits and muscles and cock and balls in the way, it was impossible for him to actually see what was going on. But, whatever it was, he could feel liquid running down this thighs, and a desperate, hungry need to reach down and find out what it was…

“No… no…" the human turned over muscled, extremely hermaphroditic, excessively phallic, two legged Dalmatian. “What the fuck is happening to me? Change me back! This isn't funny anymore! I'm like… like… some monster, sexual pervert now! How can I even leave the house now?"

Danny was - or rather, had been - a pretty normal guy: about 5'9", with a moderate build, and black hair, weighed about 180 pounds, and measured a very normal five and a half inches in his pants. On the street in a crowd, he would have blended in, just one of many “normal" people. But now… now, he was anything but. The only thing about him that didn't change was his height: he was still a few inches short of six feet tall, but now he was stacked with muscle, perhaps 350 pounds, maybe even more if you factored in the three foot cock and massive balls, and the equally massive pair of tits that would put many a porn star or stripper to shame, not to mention the long, thick and luscious mane of black hair that must have reached down almost to the base of his new tail. The fact that he was now a dog, with the cock and legs and muzzle and ears to prove it - and a Dalmatian to be exact - was just the icing on the cake of horrible things to effect Danny in the past few minutes since he opened that package.

He breathed heavily, looking around in fear that he might be noticed, or that some shadowy people were turning him into a test subject for illegal and unethical science experiments. But as Danny tried to hide himself, to try to see if anything nearby could help him, a scent began to tickle his enhanced sense of smell, an increasingly potent and heavy and mind fogging scent… musk to be exact. His cries of panic and terror soon faded, to be replaced with moans of lust and pleasure, and the thoughts of using his massive cock to fill women and men with his seed, and turn them into more anthro canines with round tits and huge cocks began to flood his mind.

“Ugghhh… no… I… can't… gahhh…" Danny moaned, trying to push the lewd and increasingly tantalizing and wonderful thoughts from his mind. But the more he struggled, the stronger the urge, the desire, the need affected him.

“What… the… ohhhh… fuck…" Danny groaned, looking down at his new tits, and the tip of the cock that could just barely be seen over it. He touched his cock with one hand, and one of his boobs with the other. The simultaneous stimulation of both of his grotesquely expanded body parts at the same time send a tidal wave of electric tingles of pleasure and ecstasy through his body. His knees buckled and he collapsed onto the floor face first, only to have his breasts cushion the landing onto his huge cock, which only sent another wave of lust and pleasure through his body.

“Ohhhhhhhhhhhh-" Danny loudly moaned, trying and failing to get up as his hands and knees kept slipping in the slick fluids on the floor or giving way as another shot of pleasure arched through his body, until his flailing and struggles turned into a self tit-fuck, using the two milk jugs to get his puppy dick to cum.

The overly sensitive flesh and fur of his body made that happen quicker than Danny was expected, and with a loud moan of ecstasy and with a full body shudder that felt more like an earthquake, he felt his dick pulse and throb, and a huge shot of cum, enough to fill a milk jug, rocketed out, coating the wall and couch in front of him in his puppy batter. His tits squirted out pints of milk, soaking his cock and balls in cream.

“Fuuck me…" Danny groaned, as his hand instinctively grabbed his cock, pulling the tapered red tip into his cleavage, and latching his mouth onto the urethra, sucking hungrily as he seized his breasts and began to rub them up and down over his cock, moaning as the hot, salty taste of his pre seed quickly filled his mouth, the flow steadily increasing moment by moment as his hands, his breasts, the thick bottom lip all teased and toyed with his sensitive, throbbing manhood.

“Guaallhhh!" he moaned, muffled by his cock as he came into his mouth. Each cumshot was like a full can of soda being shoved into his mouth, with barely a chance to swallow the last shot before another gush of seed demanded entry into his throat and stomach.

After only three gulps of his cum, Danny pulled his mouth off to catch his breath, as his cock continued to spray cum up and over, a lewd fountain of semen, that now coated his body, matted his fur, and clumped into his hair.

But Danny didn't care as he started licking over his cock again, persuading another orgasm to come out, another shot of the heady drug that was his climax. And when that one came, he got back to work to get another one. And then another. And another. Over and over again. He couldn't stop. He didn't want to stop. He never would stop.

And Danny came, over and over again, his balls providing a never ending flow of white cream, his nipples shooting out more milk than a dairy cow could give in a day with each climax.

But soon that wasn't enough, the need that he was trying to fulfill never quite being satisfied.

And there was the little question about what was going on between his legs and under his balls, the feeling of emptiness, of longing to be filled that shouldn't have been there…

So as Danny tried to coax out another orgasm with his mouth and tits, one hand reached passed his thick thighs, under his cum factories, and diving right to where his taint would be...

“AHHH! FUCK ME!" Danny roared out as he unknowingly shoved his thick fingers into his new vagina, and his cock shot another huge load all over, his tits gushing another gallon of milk onto the floor.

“Oh fuck, oh fuck, oh fuck, oh fuck," the Dalmatian herm groaned as he came down from the high of his seventh orgasm in fifteen minutes. “Oh… fuck… fuck… fuck… FUCK!"

He barely waited before he pushed three of his fingers into his cunt again, his thumb roughly playing with the clitorus, which seemed to act as a switch, as another orgasm quickly rocked his body, added with a very liberal squirting of juices over his fingers.

Danny didn't even wait for that climax to end, continuing to finger his pussy the entire time, queuing another orgasm right after the first, then a second, and a third… But the fourth and fifth, like his previous attempts, failed to live up to the mind-blowing pleasure of the first or second time.

“Bleehhh…" Danny groaned, hid body aching from the constant stimulation… but craving more all the same. Had he been under any control, he would have stopped there, flopped into the flood of juice and napped then and there.

But his body, egged on by the hormones and the musk and the need to pleasure himself, forced Danny to act, to do something, anything to get another orgasm.

Danny groaned as he stood up, legs wobbly from the constant abuse to his nerves and synapses… but he needed something into his cunt, to fill his new addition. His body wouldn't let him rest until he did.

So, slowly, in between small orgasms that spewed more white cream all over, he stood up, and, as carefully as he could between his massive tits and ramrod stiff cock and bulging muscles, he stumbled into the kitchen, toward the fridge, and pulled the door clean off, making cartons of food and drinks to topple over and land into the growing puddle of cum and milk that followed him everywhere now, reaching in to grab a cucumber that he had bought recently for a salad… but now was needed for a much more important job.

Danny simply allowed himself to land onto the floor butt first, making the whole room shake, dishes and glasses rattling in the cupboard. But he didn't care, as he reached for his cooch, struggled to get past his balls, before he just rolled over onto his side, shoving his cock into the open fridge and shoved the long, hard fruit inside his new cunt.

“OHHHH!" he moaned as he started ramming the cucumber in and out, in and out of his vag, fucking himself with the makeshift dildo until, with a panting moan, he came again, the flood of puppy batter knocking food and the shelves they sat on off their supports and coming crashing down onto his cock and balls, before landing into the pool of fluids Danny was creating.

He did that three more times, using the cucumber as a toy to get himself off, but the high of orgasmic bliss he sought got smaller and smaller each time. Soon enough, the cucumber wasn't enough… it was too small. In his lust filled haze, Danny spied a full two liter bottle of soda that had fallen from a cupboard. Licking his fat bottom lip in sex fueled lust, he grabbed the thick, unopened bottle, pulled the slick cucumber from his snatch, and replaced it with the two-liter bottle bottom first, making him roar and cry out in ecstasy as the plastic bottle hit his g-spot on the first go, sparking another flood of cum and milk to shoot out of his body. Though by now, it was hard to tell if there was any part of his body that wasn't easily stimulated to make him cum.

Now that his pussy was momentarily satisfied, other parts of his body demanded attention. His ass for one, ached for something to penetrate in the back door. Without a second thought, the cucumber from before was shoved into his ass, making him moan and cum again, but even before his rough handling of the long green vegetable would lose it's effectiveness, Danny searched for something else, and found a soup can. Not caring what brand or flavor or that he was using food to fuck himself, only seeking something to fill his greedy holes, he replaced the cucumber with the thicker can, before finding an even bigger can of diced tomatoes to shove up his ass as well.

But even as he took care of his butt, his cock, still spurting out a river's worth of cum, was begging to be filled. Without even thinking, Danny grabbed several spoons and forks, sticking them in handle first and using them as makeshift sounding rods, before another orgasm forced him to let go, and send the cutlery flying through the air like makeshift artillery. But soon, just sticking a finger or three down his cum slit, as well as ensuring his makeshift toys remained in place was enough to stimulate Danny to reach his next blast of euphoria and semen, adding to the mess of the house.

He was in such a state of mind numbing bliss of stroking, licking, stuffing, fingering, fisting, groping, moaning and cumming that he almost didn't hear the knock on the door.

Danny's ears perked up, his eyes went wide, as he scrambled up, the bottle of soda, well lubed as it was, fell from his pussy and burst on the floor to add a couple leaders of carbonated cola to the mixture.

“What the fuck Danny!" exclaimed his roommate Kevin as he looked over the mess and recoiled at the smell. “What the… fuck?!"

Kevin caught sight of the hulking dalmatian sex monster, and he froze in place.

“Yes, fuck. I… need to fuck," Danny moaned, nearly drooling at the thought of a partner to join him, to scratch the itch in his ass and pussy, and to use his own cock…

He came right then and there, shooting gallons of cum and milk all over Kevin.

“No! No! Get away from me you creep!" Kevin cried out, sputtering from the sudden blast of hot and sticky cum, before slipping into the puddle of Danny's seed and falling to the floor.

“Ack! Get it off! Stop it!" Kevin cried.

But it was too late, as brown and black fur began to cover his body, the 5'10" Kevin rapidly evolving into a hyper canine hermaphrodite, this time of the German Shepherd variety, and his whimpers of terror became whimpers of need and lust as his bottom lip puffed out, his massive cock ripped out of his pants and muscles ballooned over his body. His hands gropped the tick and firm tits that swelled on his chest, grabbing and tugging on his udder like nipples to milk himself as his balls bloated and his feet shifted into a new stance.

Before Kevin was even done transforming, Danny had turned around to present his quivering, aching, begging holes to Kevin, and Kevin was all to eager to jump onto the dalmatian, ramming almost half his cock deep into Danny's tight and never used pussy in a single thrust, only struggling to get his knot in too tie with the horny, sex starved Danny. The two moaned and whimpered and cried and gasped as Kevin fucked Danny. Danny's tongue lolled out of his mouth as he was finally, finally given the ramming and fucking that his body was craving, demanding even.

But the fat fuck stick that obscered almost Kevin's entire torso when looked straight on only needed a little bit of stimulation to blast his first load as an over muscled, over endowed, over sexed canine anthro. And that load was enough to make Danny squirt and shoot from every part of his body that could, streams of never ending milk and unlimited cum adding to the disaster their shared house had become.

But even as the last squirts were dribbling out of his tits and urethra from the most recent of a long forgotten number of orgasms, Danny was standing up and mounting Kevin, stretching the new German Shepherd's virgin ass, lubed up only by Danny's constant floor of semen and pre-seed. But Kevin didn't care, because he needed to be fucked and filled just like Danny needed moments before. And soon Danny would need to be mounted again, then so would Kevin…

Maybe when Jack got back from his night shift, a third could rotate in...