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What lies in the caves

It waited for so long. A dozen of years, lost in a dark network of caves, feeding on the few insects and bats it could find. Sometimes fishes in an underground pond, when it was lucky enough. But at last, the sun was warming up its body. The heat hurted it at first, making it rush back to the cave, feeling the sunbeams piercing it from part to part like burning arrows.

But when it tooks its courage to finally got out, learning how to enjoy that feeling, it felt revitalizing at an alarming speed. It quickly gained strenght and determination. Now that it was fully conscious again, it had to feed proper food, and find a vessel. And it could sense the perfect one a couple hundreds of miles from here. Slowly, it began to crawl, feeding on the plants and small mammals that had the misfortune to get too close from it all days and nights long. Nothing could stop it.

Allen was achieving his final day of work, harvesting his own vegetables for the last three days. It was a good harvest ; he had salads, huge and sweet carrots, pounds and pounds of apples bigger than his fist, some impressive eggplants and cucumbers. It was the best harvest he never had since he bought that farm at the edge of a dense forrest. He already bought all the other ingredients he needed to last the whole summer by himself ; since he was living that dream, he enjoyed spending an extended period of time alone. This one was about to be the longest ; he even gave his phone number to some friend in case of emergency.

It took him about an hour to stock all the supplies in the fridge and the closets. He would have never guessed he would have so much food, which makes him happy ; the summer holidays would feel even more awesome if he could gain some extra pound. He was pretty chubby already, but he liked being fat. He knew that as a horse, being fat could make him even more sexier, if not for the others, at least to him.

There was another reason about staying alone during summer. More than just enjoying it and being able to get a bit more fatter without any guilt, he had a little secret that only he was aware of. It was locked in a big wooden chest, in his bedroom's closet. It was getting dusty, but each time he thought of it or took a look at it, his cock began to slide out of his sheath.

After wiping his sweating forehead with the back of his hand, shaking it to let the sweat drop on the floor, he went to his bedroom and sat on his bed, facing that said chest. He didn't want to rush on it, he felt like it needed some sort of ceremony. It's been so long since he last opened this, and had fun with what was inside, that he wanted to appreciate his heartbeats racing with anticipation, and his penis getting sensitive against his thigh. His hands were slightly moist, and he was biting his lower lip. At last, two months just for himself to do everything he wanted !

He went on his knees, and opened his chest. There was a couple of dildos of different shapes, colors and sizes, but that wasn't what he was looking for. In the bottom, hidden under those « casuals » toys, a couple of diapers were expecting him, waiting to be put on and soiled. It felt like an eternity that he didn't at least touched the plastic of those diapers. He knew he had enough of it, and even if it wasn't the case, he planed on buying it while wearing one in the closest market. Nothing could stop it from enjoying it. Blushing, he finally took one, and undressed his sweaty pants and briefs to put his diapers on.

He slightly moaned when the absorbent cotton carressed his genitals and butt. It already felt like heaven, even if his erection was making it tighter that it should. Each time he was wearing a diaper, he had an erection for almost an hour ; actually he was sure it could last longer, but each time he had to help himself so he would loose that erection, soiling himself with cum for as long as he had to keep it on. But usually, he could use them for a week maximum. This time, it was way longer. He intended to learn how to keep a diaper without the obligation to masturbate. Actually, his primary intention was to « forget » his control over his bladder and bowel movement for those two months.

The first hour felt like he was in heat, struggling to keep himself from touching his bulge in front of his diaper. He barely moved on his bed, enjoying all those sensation, glad to know how lonely he was. No one to know and judge about him and make him feel uncomfortable. Each time he was accidentally touching his erection, or if it was just slightly brushing against the sheet of the bed, it was turning him even more horny. He was asking if he would go crazy by the end of the day because of his stubborness.

But as the sun began to decrease, he woke up. He didn't realized, but as soon as it was getting easier, the mental struggle he fought put him to sleep for an hour and a half. He chuckled, then stretched himself. It was going to be a long night after such a nap !

He put back his white shirt, the armpits on the piece of cloth and the belly turned grey by all he sweated all day. He liked the musky smell he was emitting around him, it was conforting. All his previous sex partners and himself were stinking that way after sex. He was about to get horny, but the fear to live the same thing he just experienced again was keeping his head cold.

Allen patted his belly, and let out a long fart, partially muted by the diapers. It warmed up his butt, making him chuckle again. He slept with his mouth wide open, filling him up with air. He always loved that ; one hour sleep could turn him into a gasworks. He farted again, grunting to let it all out. It lasted longer, but the padding at the bottom was slightly blocking his rear exit, making it a bit difficult. He knew it would be easier when he will be used to it, letting anything out without holding it for a second.

He went to the kitchen, and prepared himself a meal big enough for three people of vegetables and meat. As expected, the vegetables he just picked in his farm were delicious, fresh and sweet. He felt so lucky he could live on his own like that, with his own production. The dream of many, really. And he could eat as much as he wanted, it was his. And so he did, until he felt, and saw his belly round and full. He let out a long burp that echoed through the room, making him proud. It was so satisfying that he almost had another boner. But he wanted to experience something else first, before he could finally grant his diapers a huge load of horse cum.

And he felt it was about to happen when another fart was powerful enough to bring his doughnut-shaped asshole against the coton. He had the chance to have that kind of anus he would love to fuck every hour of everyday, but it wasn't what he had in mind. He was thinking about its primary use, what was held inside. He intented to hold it as long as he could, wishing it would « brake » his ability to hold, and to shit as much as he could. But maybe pooping as soon as he felt the need to go should be a better idea... He decided that he didn't care, and would let his will decide.

Another longer and warmer fart came out, making him slightly moan. As he suspected, he already had to go, making him horny. The first poop in a diaper for the holidays... He couldn't thought of something to make it special, he was way too excited about it. And he even had to pee !

He began to blush. Something in his mind was telling him it was wrong, and that he should quit. It was embarassing, but it was only making things better somehow. He bit his lower lips with excitation, and pretended to go to the bathroom. He fell on his knees halfway, letting out another fart, burping at the same time.

« Oh, I'm so gross... » He whined as his boner tried to get out of its soft cell.

He couldn't even have a proper erection, it was way too tight for it. He farted once more, moaning like he was about to be fucked. His whole face turned red with humiliation and excitation ; he couldn't help this time but rubbing his dick against the padding by slowly moving his hips, just enough to enjoy it. « I'm a bad horsie, I can't control myself ! » He felt a pretty big log poking his asshole, asking if it was okay to go out, giving him an idea.

Looking through the window, it saw its host. His level of lust was incredibly high, it could feel his excitation from here, driving it mad, but it couldn't go in yet. It had to see first, hidden in the dark, waiting for the perfect moment to break in and use him.

He was already sweating, trying to hold both his bowels and bladder. He burped again, another one big enough to echo through the room. He was clencing as hard as he could, to the point that it was slightly painful. The fat horse then began to slowly relax his hole, feeling the shape and the weight of that turd, which felt gigantic. It felt as expected : when it came back to normal, the pressure the dirty log against his backdoor increased greatly, but he clenched at the very last time. He chuckled nervously, then did it again.

The turd felt as he wanted ; thicker and longer than usual. Focusing on shitting slowly almost made him cum, feeling every inches licking his asslips on its way out. He felt it blocked against the padding for a second, but lucky him it was way more stretchy than the front of his diaper. Soon it began to expand, and he sighed with his mouth wide open as it finally poured out.

« Ah, I'm such a dirty baby... ! » He said, as he couldn't control his bladder, warming up his balls and cock with a smelly stream of piss.

It felt way better than he imagined, soiling himself in the middle of his living room in a diaper like a kinky cub.

The smell was filling up the room, mixing with the scent of his sweat. He was embarassed that it was his fault, but also that he was loving it that much. He just wanted to piss and shit forever, stopping only to cum then doing it again. It began to felt like it when the front double-sized, and the back and bottom began to feel much heavier. He was constantly moaning and chuckling with excitation ; someone that would pass close to his house could think he was having sex like any other person.

He soon finally stopped pissing his diaper, but he kept shitting slowly for five minutes, making his hole sore and loosened up. He even began to fear that it would overflow and mess the floor, but nothing like that happened. It could be exciting, but he hated cleaning his house, and didn't want to think of it. An lucky him, it finally stopped, letting him all sweaty and shivering with excitment and pain.

Allen didn't dare to move at first, still thinking it will overflow or that the bottom would break. But what it feared most was that he would cum just by feeling his waste moving inside his diapers, his cock rubbing against the wet coton in the front. He knew it was enough for him to make him ejaculate, as it already happened in the past.

He looked behind him to see the huge bulge he created. It was pretty satisfaying, making the pain worth it. And maybe the pain was the first sign of loosing bowel control, who knows. But seeing such a big pillow of shit gave him a dirty idea.

The fat horse wiggled his butt, feeling all the weight in the bottom that was beginning to warm up is balls. It was pretty impressive, he may have broke his record about it. But now, he wanted to test that brand of diapers. Carefully, he began to sit, feeling the shit imediately moving around, filling any place it could find around his waist, between his legs and between his big asscheeks. But what made him shivers and moan higher than usual was when it pushed against his cock. That was too much, he had to cum in his diaper, it couldn't wait anymore. He needed to be messier.

He lifted the rubber band at the front of his diaper, the stench punching him in the face. He couldn't see his balls, buried in his mess, and most of his cock was browned by his shit. Allen was about to rub that poop around his pole until he came, but it never happened.

The window opened suddenly, as a huge draft would have force it. But there was no wind. What had opened was nothing he had ever seen before, making his heart jump with fear.

In front of the fat diapered horse was a big creature, about half bigger than a nice watermelon was standing here. A big blob of green transparent goo that didn't move at first. He felt like it was looking at him, judging him. His face turned red with humiliation, but what he trul felt was fear. He didn't know what it was, he just wanted to hide in his room.

As the monster began to form a tentacle bigger than his wrist towards him, he tried to get up, stuck in his own muck. Slowed down by the weight between his legs rubbing his inner thighs, he only made two steps before that tentacle grabbed his ankle and glued him to the ground. It was warm and soft, the grab was gentle but felt as hard as concrete. He fell to the floor, thinking he was about to break his foot, but no such thing happened. His foot was blocked inside that goo, floating confortably. It didn't felt wet, as he first imagined, it was more like honey. He tried to get it out, but it was stuck, the tentacle following every move he made, allowing him to move his leg as long as he wasn't trying to crawl away from it.

From his ankle, two other tentacle, as big as the first one formed, and began to glide along his leg towards his diapers. He tried to struggle and screamed for help, scratching the floor with his free hoof, but he was alone for miles around, and way too far from the phone.

Allen felt one of the tentacle sliding under the leg of the diaper, moving around his mess, making him blush. It might be stupid, but he hoped the stench would disgust it and make it go away. But it stayed here, he could feel it surrounding his mess, gently rubbing its rubbery skin against his butt. He was so confused that he forgot to run for a moment.

He couldn't tell what was happening, except that it was creating a bigger bulge on his diaper. His guess was that it was playing with it, and he was true. It was absorbing it, creating logs inside it that he would have seen if he dared take a look. It hold it in a soft ball of goo, while another tentacle moved towards the front of his diapers. He was about to react when it felt the tip of the first tentacle poking his sore butthole.

He felt embarrassed. He didn't want to be touched here by a monster, but the worst part was that deep down, he wanted it, as if he had too much libido in his veins. Something was really exciting about it, he even was having an erection from it. And if it only wanted to play without causing damages, what was the problem ? With a shaky voice, he asked it if he wanted to harm him. He got no answer, of course.

However the way it reacted could have been interpreted as an answer ; the second tentacle began to soflty rub his balls, spreading the shit over them and massaging them in a calming way. He was already into it when he felt how good it was at making him feel good.

The first one began to enter in his puffy, dirty asshole at the same time the second one grabbed his cock, making him shout with surprise and pleasure. It felt warm inside, and thick, like an actual cock. But around his cock it felt wet and soft, like he would imagine fucking jelly.

The monster slowly released his anckle ; he lost all interest in escaping away. In fact, after the first inches, he felt something strange, something new and unique. He bit his lower lip, enjoying the sensation of that tentacule beginning to fuck him. He began to feel, to know that the monster was here because of his sexual needs. It needed to be fed with all his sexual tension. But it had to be there by its side, always, enslaved to each other. Something in his mind stroked him with a question, which he replied affirmatively.

Allen was already drooling with excitation, the tentacle increasing in width and length. It was making his asslips more painful, but the pleasure was making it worth it. He never felt blown like that, like he could cum anytime in the most amazing way. He also was pretty sure he never took a cock that big before, and never knew it could feel that great. It might be another effect of that creature ; to make anything feel incredibly good.

The creature made him undersand what was about to happen. He opened wide his mouth with a smile, moaning louder and higher to the thought of what was about to happen.

He felt like the monster ordered him to get on his knees, and his head on the ground, and so he obeyed, lifting up that huge bloated diapers in the air. He didn't realized it, but most of the creature was inside of it now. It began to move around, making strange wet noises, impressing him by the elasticity of his diapers. With so much shit and that monster inside, it would have broke if it was just a regular brand. Witnessing it and feeling it against his ass wouldb e enough to make him cum, but that gooey tentacle knew what it was doing ; he was only shooting precum when he was too close from ejaculating. And Allen knew that the tentacle was keeping it all inside it.

The tentacle grew a bit more in his ass, stretching him much more wider than he used to. It was becoming wild, and was shooting a sticky substance, warm and arousing inside him. « Oh no, it's cumming in my dirty, shit-filled ass ! » He moaned, just before the tentacle allowed him to cum, turning his whining into long, high pintched screams of an intense pleasure.

What he couldn't see but knew, and soon felt was that all of his cum was running through the creature, and was being shot inside of him, along with the goo. And knowing and feeling such a perverted thing was only driving him even more crazy. He felt like his balls were about to completely empty themselves ; it was the biggest cumshot he ever produced. And all were running into his messy bowels... It felt like climaxing twice at the same time.

As his balls felt dry and empty, his ass and belly sure felt bloated and heavy. Most of the creature went inside now, the last tentacle cleaning his cock before going inside him. It didn't felt really confortable, as if he ate way too much and had to take the largest, longest shit of his life while being constipated. He looked and felt much fatter, reinforcing that impression. And it was moving, making him feel both weird and excited. Something was exhilarating, about feeling a foreign body inside him that was living on his sexual needs. All he had to do to keep it happy was to have fun, and it would even help him to do it. That was the best agreement he never did.

Allen was about to get up when he farted for around twenty seconds. He didn't felt the urge though, he didn't felt bloated with gas or anything. He couldn't even stop it.

« Oh man... you really destroyed my shithole ! » He said with a chuckle,thinking that the thrusts were responsible. This time, the goo creature didn't want to make him understand what was happening. He had just enough time to get up that he had to get back on his knees, pressing his stomach with his hands. He felt like he was about to shit himself, and his first reflex was to feel ashamed and humiliated, and tried to hold it in.

But it wasn't regular poop. The monster wanted to toy with him a little more, acting like it was a huge turd, bigger than the fat horse's cock. He moaned and grunted, his asshole completely ruined and painful, but being totally unable to clench and forbid him to get out was amazing. He wish it was just shit instead of his « little friend », he could differentiate the textures and well, he couldn't shit that much.

It was unbelievable ; he never knew that kind of pain could be so arousing. And he would have never guessed that after cumming so much, he could have another erection, because he had a sore asshole shitting a living creature despite him.

It lasted longer than the first time he emptied himself, and he made a whole concert of farts, running around the monster, tickling his inner walls and his asslips. He could even feel his belly deflating, going back to normal for each inches of the beast leaving its new cave, and any little wind exciting his bowels, surely provoked by the goo. The diapers took its previous state, making him a ridiculously big butt.

At this point, even his dick felt sore and exhausted. It didn't stopped him from wanting to cum again, rubbing his shaft against the wet padding, now cold but not enough to calm him down.

The nameless creature didn't want to explain him what was it thinking. He just began to feel it massaging his ass and licking his asshole clean ; it really felt like an actual tongue. He shaked with pleasure, moaning and drooling on the ground, falling on his side. The monster spread his cheeks so it could keep on satisfy him, his hole totally unable to close, gaped in front of that green gooey texture. He could feel, and see the monster going wild on his diaper, but he couldn't tell what was happening.

The fat, tired horse began to feel something weird poking his loosened back end. It was stiffer, drier than his new friend. Thanks to the goo it left on his hole, he could began to push it inside of him, sliding it rather easily. It was when the first piece of that thing that the beast made him understant.

« Oh, that's so gross ! » He said, blushing.

His « parasite » was actually trapping inside its body every little piece of crap it could find in his diapers, and was now sensually putting everything back inside him, after it molded it in a wider, longer shape. And it shared its thoughts, making him feel like he was being slowly fuck by his own dirty shit, fattened up by it. It already knew all of his secret desires and sexual needs, and it intended to use them all, anytime they both wanted.

It took it a couple of minutes to repack all his turds inside of him, making him feel more full than he was in the beginning of that night. He tried to shit it back, but the creature clogged his asshole with its gooey body, making him moan with frustration and excitation. He never felt such precision inside of him ; how long and wide it was, and it's shape and texture. He wondered if the creature made his bowels like a new sexual organ somehow.

He pushed once more and, retaliating, it forced it's body back in there, gently hurting his asshole and almost made him cum. He could have ejaculate, his prostate being crushed with shit and the monster, but it was having some precise control of it, meaning that the beast was now the one deciding when and how hard he would come.

Allen felt way too much full. He had to shit it all out, it was too heavy, and his belly became too bigger for any of his shirts. The weight was arousing, but his whole body was screaming at him to release it all.

At first, pushing did totally nothing. Back on all fours, he grunted as he pushed as hard as he could, but it didn't want to let anything come out.

« Oh, please ! » Allen whined.

He began to fear that the monster decided he would never shit again, that it would hurt him after all.

The goo creature felt his fear, and granted him a little thing. Each time he pushed, he let out a long fart, as long as he was pushing, like he was endlessly bloated with air. It quickly gave him back his trust, and he lay down on his back, and pushed fart after fart, still looking as bloated as before. He knew it wasn't gas he already had, that it was somehow creating them. But it felt good and exciting the same way.

He just touched his hard pole with one hand that he began to shit a tentacle, making him squeal with pleasure. The creature forbid him to touch himself, doing the job instead. It wrapped around his cock, envelopping it to get back to that wonderful blowjob it made sooner, stretching his hole at the same time. He could feel every movement the tentacle made on his hole, turning him crazy with excitation.

« Oh my God, you're so amazing ! » He whined, putting his hands on his face, drooling with pleasure.

Allen suddenly shat the whole monster painfully, taking away his breath for a second. His hole felt wrecked, sort of injured. But nothing came out first, he just felt the ring completely opened, unable to clench. Trying to clench was actually painful, making him push as hard as he could.

He was worried he was really injured when he felt the creature around his hole, calming down the pain. It began to gently suck on his hole, making him moan ; it felt like every millimeter of his ass and butthole were extremely sensitive, in a fantastic way. He couldn't differentiate pain from pleasure, and every sucking on his dick could be enough to make him come, but once more, the creature wanted it to last longer.

Feeling his most sensitive parts of his body perfectly sucked, the fat horse began to relax, sighed with relief between two long and girly moans. He was quickly learning to enjoy having his orgasms denied, to be driven to the very edge of climaxing without ever ejaculating ; it was powerful enough so all his skin was shivering, getting sensitive enough so even touching the wooden floor was a new experience to him.

The creature began sucking harder, like it was actually trying to suck something out. And soon, Allen felt it was indeed its intention ; he began to feel his bowel moving, but he wasn't really shitting. It was only moving when it sucked, and stopped when it was « catching air », and pushing or clenching changed absolutely nothing except farting.

Finally, a pretty big log came out, as large and long as his own cock. But it didn't stayed in his diaper ; as soon as it was out, the creature pushed it back out, rubbing it against his so sensitive prostate. It then went back into the monster, but the tip stayed inside, until everything was put back again.

« Holy... I'm being fucked by my shit... » He said, his mouth wide opened with pleasure.

It quickly became the best fuck he ever had, and it wasn't even a cock or a tentacle. Thanks to the monster, it wasn't burning or hurting like any turd would have caused, but he could precisely feel that turd fucking his ass harder and harder, that could not be clenched by such a gaped shithole. Once more, pushing was just making him fart, even if it was a bit more difficult with something pounding his butt.

A part of him wanted everything to stop, because of how gross and embarassing it was, and also how exhausted he was. He just wanted to cum, shit all he had stuck in his inflated belly, and then sleep, thinking about it all the next day. But a bigger part of him wanted it to last the whole night, cumming over and over while farting and shitting endlessly, his cock resting only to piss everywhere while getting fatter each time he passed any gas.

The creature messed with his asshole for at least a dozen of minutes, which felt like hours to Allen. He thought it will really never end, that the monster decided to obey any of his fantasies without thinking about it. His balls began to hurt, like they were growing bigger, stocking more and more sperm every second. His moaned turned in some sort of cries, without any tears. He kept drooling, his mind saturating by his senses. He was constantly farting, the sound muted when the turd was thrusting inside of him.

Finally, he came for the second time. It was even more intense than the first time, pissing rivers of cum inside that sucking tentacle. Maybe he actually was pissing at the same time, he couldn't tell. He was loosing his breath from how amazing it was, to cum so much while being fucked by his own turd like a savage beast. It lasted several seconds, until his balls felt empty and dry, back to normal. He sighed with relief, and thanked the monster over and over while it crawled back inside him with his poop, until he fell asleep on the ground, completely out.

His back hurted as hell when he got up. He was still a bit tired, but it was totally worth it. He patted his belly, looking at how big he was. He looked, and felt pregnant, and somehow it was true ; he had someone, or something in his belly that could come out. But he couldn't call it a baby, it was more like a parasite, the best parasite in the world. And thanks to it, he could fart on command. He tried it a couple of times, and it was indeed working everytime.

He just had time to feel the urge to go to the toilet, that he began to piss and shit himself as he was stretching, unable to avoid it. He blushed, and was scared for a second, until he realised that the gooey creature granted him his wish ; he was incontinent, for real ! He began to laugh, feeling accomplished. It was the best night, and the best day of his life, even if his asshole was painful and sensitive as much as his balls, and that his belly felt much heavier than usual.

He was scared that it would never change back to normal, but as he was thinking of it, he was okay with it. It could be strange, but thanks to that monster, he felt whole, complete. He could totally agree with living such a messy life, forced to live with his diapers on.

Those holidays were about to be much better than he expected. Actually, it was the best holidays he ever had.