Fertile Soil Detour

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This is a side story based on the Fertile Soil series by CodyDreamPuppy - more gratuitous sexual horse transformation.


"Hey, Mike!"

The well-muscled teenager stopped outside the main barn and looked back. Mr Cooper, his boss, had stuck his head out of the side stable door. Mike grinned and walked over. "Hi, Mr. Cooper. Sorry I'm a bit late. My bike had a flat and I had to walk here."

"Hot day for that. You look like you got hosed down." Mr. Cooper smiled. "Look, just wanted to let you know we got a lot of folks around the farm today. My nephews are around somewhere, and I got a researcher here with his kid. Dr. Greenly's in here with me. We're doing some, uh, work with Fascinus, so leave the side stalls for last. We should be done by the time you get all the rest cleaned up."

Mike nodded. "Sure thing."

Mr. Cooper started to go back in, but stopped. "Oh, by the way, you heard of anyone around here missing a big black Shire stallion? Had one show up here this morning."

"Uh, no sir." Mike grinned. "A Shire stallion? He's gonna make Fascinus jealous."

That made Mr. Cooper chuckle. "No, I don't think so. Fascinus... well, maybe I'll show you later. Go on and get to work." He went back in the stable.

Mike continued on into the main barn, pulling off his sweat-soaked t-shirt and hanging it on a hook to dry out. He kicked off his shoes as well - in the winter he always had mucking shoes but when the weather was hot he liked going barefoot. Stepping in goat and horse manure didn't bother him - he'd have to take a good shower anyway before he left. By the time he was done mucking and cleaning up after all the animals, he'd be a filthy mess . At least this way he'd only get his shorts dirty.

He tossed the muck rake in the big two-wheeled manure cart and headed for the furthest stall. As expected, Fascinus' stall was empty, but the one all the way down held the biggest horse Mike had ever seen. He gave a low whistle. "Fuck! You really are a monster!" The horse stuck his head over the stall gate and sniffed at Mike, his ears flicking back and forth. Mike stepped a little closer, but made sure he was out of range in case the stallion was a biter.

He was relieved when the huge Shire relaxed and perked his ears. He was curious about Mike, but seemed friendly. The young man opened the gate carefully and slipped in to check the stall. Water bucket was full and there was hay. One big pile in the back to muck up. He'd move the Shire to another stall so he could clean up in here.

The horse snuffled at Mike's tangle of brown hair, lipping at it. "Not hay, fella!" The horse let his muzzle get pushed away, but shifted to block the stall door. Mike pushed at him, but the huge horse wouldn't budge. "Holding me captive? That's not nice." A couple of attempts to get around the front didn't work either. Well, there was always under.

Except that the stallion was making himself really well known - the huge black horsecock had dropped and swayed under the Shire's belly. "Holy shit! You're gonna make a lot of mares happy." Mike ran his hand over the swollen shaft, and slipped his fingers into the sheath at the base to check for lumps of smegma. "You're clean. Somebody takes good care of you. "

Mike decided to go ahead and slip under the horse's belly while he was down there. That meant having the swaying shaft slide over his back. And then the Shire sidestepped to press against the gate so that Mike couldn't get out from under that way. At the same time, he rocked his massive body so that the horsecock slid up and down Mike's slick, sweaty back.

"Oh, fuck." Mike was scared for a moment. If this monster got the idea Mike was a mare and tried to mount him, he'd be crushed. But even as he thought that, the stallion neighed and shuddered as he shot a load all over Mike's back, neck and hair. "What the shit?" Another explosion of sticky warm liquid hit Mike, and then the animal stepped aside. Mike took advantage of the opening to get out of the stall, shutting he gate before he felt the back of his head and neck. Thick white semen dripped from his fingers, and he could feel it sliding down his back. His hair was matted with the stuff. "Oh, gross!"

The spunk had a strong smell, but it wasn't bad. He sniffed at his sticky hand. Weird. That smelled familiar. Vanilla? He licked at it experimentally before he realized what he was doing. Yeah, vanilla. He flushed and looked around suddenly, embarrassed and glad no one else was around. The taste had made the tip of his tongue feel a little tingly. It wasn't anything like what he would have expected. Staring at the thick spunk, he grinned and then sucked it off his fingers. The vanilla was the strongest impression, taste-wise, but the smell was still really musky and heavy.

Suddenly remembering Mr. Cooper's warning about visitors, Mike blushed again and headed towards the back of the stable to look for some rags. It would be embarrassing enough for Blake or Basil, the two nephews, to see him covering in horse spunk - he didn't need strangers laughing at him too. Damn. It felt weird. Still warm, and sorta tingly on his skin. It felt good in a crazy way.

Just before he got to the clean-up area, a small shape came in from the back door. Mike dove into a side stall, not wanting to be seen covered in horse cum. But he'd already been spotted.

"Hi, Mikey!" The voice was immediately recognizable. Basil, the younger nephew.

"Uh, hi, Basil." Mike wished it was the older boy. But then again, Basil probably wouldn't realize what was all over Mike's back. He took a deep breath and stepped out of the stall. And nearly jumped back in shock. "What the fuck!"

There was no doubt that he was looking at Basil. But not only was the boy naked except for his shoes, it looked like someone had put some incredibly realistic costume parts on the boy's body. Was it a costume? Mike stared closer at Basil, who looked back at him with a shy grin.

"I got bigger." The boy was a little taller, but Mike figured he was referring to the massive horse's cock and balls between his furry legs. From the waist down, Basil had gotten really odd looking, a cross between horse and human. His ears were horse's ears, and there were streaks of fur on his chest and sides as well. Basil rubbed at the heavy sheath and as Mike watched, a fully equine penis pushed out.

"Uh, that's pretty amazing! " Mike stared at the shaft that swelled like the stallion's had. "How did you manage that?" He was shocked, amazed, and fascinated by what he was seeing. It had to be real. The veins throbbed, the skin got taught, the huge, swollen balls swung heavily and jerked like a real animal's just before...

For the second time this afternoon, Mike got sprayed down in horse cum. Basil gasped and shuddered as his supercharged balls sent an explosion of spunk that hit Mike in the face. He stumbled back with a shout of surprise, landing on his butt as he was doused with a second blast, and then a third.

Basil was wide-eyed, flushed and looking scared. "I'm sorry! I'm sorry! It just..." He panted grabbed his thick cock with both hands. "I can't make it stop!"

Mike was still stunned, but he shook his head and managed a grin. "It's OK, Basil! You didn't do anything wrong. I.. sorta liked it." It was true. The boy's cum had the same curious vanilla-musk smell, the same warm tingle of the stallion's. It felt like he was completely covered, his hair plastered to his skull and strings of cum making him blink his eyes. Man, he felt weird.

Basil stepped closer, intending to try hugging the older boy to get some comfort. But his slick heavy cock chose that moment to throb erect again and arc out suddenly. The equine flare hit squarely against Mike's lips just as a fourth gush of semen shot out.

The older boy's eyes widened as his cheeks stretched, the massive load of spunk filling his mouth. He swallowed hard, dazed and confused by what was happening. Basil looked so frightened now. Mike licked the flare absently, making Basil shudder in pleasure. Even though it was weird, perverted even, Mike licked and sucked at the end of the horse cock until Basil shuddered one last time in orgasm.

Mike swallowed it all, gasping afterwards. "Oh...wow..." It was hard to talk, to concentrate. He felt hot and dizzy and excited, his own cock throbbing hard against the confines of his shorts. "That was fantastic! I would do anything to be hung like that!"

Basil had looked worried before, but that seemed to make the boy happy. "I got something I think would help!" He turned back and picked up a set of dirty coveralls from the dirt floor - they might have fit the original boy, but obviously didn't work for this horse-human mix. He reached into one of the pockets and pulled out what looked like some big blue pills. "I think these make you more horsey! Like me!" He picked one out and pushed it towards Mike's mouth.

Mike let the boy feed him and rolled the pill around in his mouth before chewing and swallowing. It had a strong, but pleasant vanilla taste. But his mouth suddenly felt swollen. Basil stared at him, and then grinned in delight. "It does work!"

Mike felt his face and discovered that his mouth and nose had pushed out from his face, and continued to grow as he explored thicker lips and a thickening coat of fuzz on his cheeks. The warm tingling he was already feeling inside and out from the combination of horse and Basil cum got more intense, heat that seared him and yet was still pleasure. His cock strained again his shorts, his balls pressing painful, and he lay back and fumbled to yank them down.

He gasped when he saw the black equine sheath, cock and balls that pulsed larger with each heartbeat. They drew his attention away from the glossy black hair sweeping over his thighs and belly, and the thickening of his fingers.

"Here!" Basil pushed a handful of pills into Mike's mouth with a giggle. Mike accepted them, only dimly aware of how small the boy's hand seemed in his mouth. More vanilla, more heat, more tingling. His whole body throbbed like a monster orgasm, pleasure, pressure, heat all overwhelming his senses. It should have hurt, watching his fingers fuse into hooves, his arms become forelegs, his human body swell out massive and heavy across the dirt. But as he changed, it was more like he was becoming what he should have always been, as if he'd been a horse crushed into that puny, weak human shell..

The sensations faded slowly, leaving a dull haze of pleasure and contentment blanketing Mike's brain. He was aware of what had happened, knew instinctively that he was a Shire stallion, not a human. He rolled up to his belly and pushed himself to all fours. Basil stared up in awe, tiny in comparison to Mike's huge equine body.

A wave of fatigue hit Mike so suddenly he thought he might fall over. He needed to find a safe place to rest, to recover from the amazing, wonderful, impossible transformation. It took effort to focus his thoughts, to make his mind work out solutions. The stall across the barn wasn't used. It was big and clean and safe. Slowly, but with surprising ease, Mike shuffled to the empty stall. Moving four legs was easy - in fact, he felt completely natural and normal, except for the buzz of pleasure and contentment that still fogged his mind. Part of him worried that his intelligence was fading away, that he might be stuck as an animal forever. He lay down in the old straw with a heavy sigh, mulling those thoughts over as he let the exhaustion claim him. A Shire stallion, a horse, a beast of burden. All his schooling gone, his thoughts more focused on mares and clover. And just before sleep blacked everything out, Mike had a final, confident, and happy thought of "YES!"

Basil watched the huge black horse lay down and watched it with an awed expression. He'd turned Mikey into a horse! A really big, black horse! Like the new one Uncle John had found this morning. Basil felt a little confused. There was something odd about all of this. He had changed some too, and he was naked and Mikey was a horse and... He shook his head as complicated thoughts short-circuited and it all suddenly didn't seem important. The whole incident was suddenly accepted and normal, and Basil resumed his exploration of the stable.