Flash Pulp #19 Bestiality

Story by Casca on SoFurry

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#19 of Flash Pulps

An alchemist gets an idea on how to help his horse to live a longer life but needs semen to do it.


Lucien sighed as his horsed walked slowly toward their home. A good day's work and a good day's pay but he was ready to be back at his little cottage and give himself and his old steed a rest. So they wandered down the path as the sun started to get low in the sky.

The alchemist had this particular dappled grey stallion with him for years and he had grown very fond of him. Most days, like today, he rode bare back just a blanket and a soft, leather lead and he felt it brought him closer to the handsome animal. Lucien gently brushed his horses neck as they got closer to their destination, holding himself close with his own strong legs as he felt the powerful muscles beneath him pulse and writhe with power.

It was a rather enchanting sensation. It used to embarrass him that it made his rod swell but after riding him for so long and getting to love his pet as he did he looked forward to the feeling. His breeches tightening around his crotch was a sign it was time to get home, though, so he gave the mottled stallion an urging nudge with his heels and a permissive pat with his hand and he took off, running at his own pace, bounding through the dirt toward home.

Quickly enough, Lucien pulled back on his lead, slowing him down to a walk again once they approached his private land. It was an unassuming cottage on the edge of a small wood. No game to invite hunters, no mysteries to invite adventurers. Just his little laboratory and his little stable. He'd built it himself when he bought the old stallion. He was proud of it and, slipping off his back, he lead his companion in preparing a nice feed of sugared oats and finding his brush to comb the dirt and burrs out of his fur.

Stroke after stroke was calming, smoothing the mildly dulled fur and watching the horse's muscles shift was one of the alchemist's favourite parts of the day. Listening to his appreciative nickers and huffs was like they could speak to each other. Lucien often did. Just reassuring nothings and idle thank yous until each flank was clean and the old grey was properly fed.

Of course relaxation did nothing to assuage the man's erection, still throbbing against his clothes, his flesh wanted attention after lingering so long in the stallion's musk. The alchemist took a deliberate effort to keep the horse and his stable clean. He'd even done a few experiments to eliminate the smell of waste, which worked much better for the horse than it did for him. So he was alone with the horse with a scent that was almost purely masculine musk.

He really did need to attend to the aching member. But not prepared to leave his friend he wiggled out of his breeches right there since the old stallion certainly had no place to judge and started to stroke himself. He had always been proud of his size, though one of his first experiments as an alchemist was to try to improve it. He needed three fists to hide it all. Of course, it could inconvenient when he rode into town but here on its own it was nice to see and feel and play with.

Meanwhile he petted and stroked the horse with his free hand, the beast's heavy head swinging to meet his, pushing him playfully and rubbing his neck against his, or as close to it as he could. It was a real pity he was starting to show his age. He still had a couple of years before Lucien would have to put him to pasture but the alchemist would lament having to replace him.

But as he stroke and felt his precum ooze down his fingers he couldn't help but think it wouldn't have to be that way. His fingers pumped furiously up and down his length while he doted on his precious pet wet and loud with his juices and just as his orgasm hit things became clear.

He groaned as his body pulsed with pleasure. He could feel his shaft filling with his seed, launching it proudly between his horse's legs and splattering the side of the stall with his hot, white lust. The smell was weak amid the cologne of horse flesh but he could see it ooze slowly down the wooden wall, gooey and heavy and tinted by the early evening light.

The alchemist watched his cum creep and pool for a long moment, remembering how many experiments he performed with that very substance. His salty cream been excellent for potions to stop decay and withering. Certainly there was some way he could stop aging. Of course his load, as big as it was couldn't possibly be enough to satisfy a horse. Lucien would need lots of it. Especially for the experiments leading up to the treatment.

That's when he noticed his stallion's own erection. The horse with it's feet of cock and his massive swollen orb seemed to know where his rider's mind was going before he did. He flexed his muscles and gave the flared head a slap against his belly, flinging his precum across the ground. He seemed eager to be extracted, as Lucien liked to call it when he jerked his own meat for an experiment. Even asking him in exactly those words elicited an impatient toss of his head and deep wicker.

As much as he wanted to get down there and begin, he had to be prepared. He rushed to his lab, half limp cock swinging naked through the air, and gathered a big glass bottle. Then with a quick sprint back to the stable he got to work. He knelt down beside his stallion and grasped his cock, gently easing him into the feeling of touched and fondled by his rider before tightening his grip like he imagined a young mare would. The old horse had always been mild tempered and he simply huffed and shifted his hooves around in anticipation.

Lucien breathed deep of the sexual smell and stroked fast. Both hands gripping the firm leathery flesh he rocked back and forth, reaching forward now and again to smear the warm precum beginning to gush out of the horse in earnest to make the cinch all the more pleasant. Faster and harder he worked down his steed's length and the horse started to buck back working together to bring him to climax.

The old stallion didn't last long, giving off a loud but relieved whinny as his cock jumped and erupted with thick seed. The alchemist watched in amazement at his steed's production as the first shot fanned out in sloppy chaos, too forceful to to come out in a jet just a tidal wave of hot fresh spunk. That alone might have filled his bottle but he couldn't take the last shot and he was caught off guard, blasted by some of the stray cream and writhed as it seeped into his tunic and washed over his face.

The second was more focused buy even more copious than the first, his 'pure essence' -- another of Lucien's alchemy terms -- flowing out in an opalescent stream. He scrambled to capture this second shot, the best to use for his research, but in his clumsiness only managed to feel the thick goo splatter all over his fingers and make his grip on the bottle loose. Still he had some and the third wasn't so bad.

He could see the cum dripping from his hand, the strings connecting him to the bottle and the bottle to the horse's shaft and he could feel his own spring immediately back to life. The warm film coating the Alchemist, sinking in and restoring his libido as he prepared for the third blast. It quickly filled the jar. A single shot filling it to the brim and then bursting out around the lip with the excess.

A fourth and fifth shot followed closely, the air thick with the taste and smell of sweet horse jizz while Lucien continued to stroke with one hand try to regain control of his bottle with the other. He was amazed by his stallions production, like he'd been holding on to every drop his body ever made since he last studded and then some. It was everywhere, clinging to the walls pooling on the floor. Puddles and splatters scattered everywhere until the horse finally relaxed and his cock went limp, gradually climbing back up toward his shaft.

Experimentation would go well if the grey horse could keep this up. Of course Lucien would need bigger vessels to contain it all but that could be readily arranged. As it was he was warm and sticky and smelled delicious so he stripped off his tunic, to happy with his condition to do anything but be naked like his contented steed and led the horse to one of his alternate stalls so he could clean up properly once he got his first concoction percolating then he was left with a sticky and still warm bottle of horse spunk.

He debated with himself for a long moment. It was completely unprofessional the thought in his head. If he followed through he'd have to collect more from the grey though he doubted the old beast would mind. He walked back toward his lab and sighed unable to fight his erection any longer and tilted the bottle to his lips.

The heavy cream rolled over the alchemist's tongue, marvelously bittersweet and so rich in flavour. He smacked his lips in satisfaction and slowly swallowed his mouthful of stallion essence. But with a certain amount of decorum he promised himself that the rest of the bottle was for his brews. Still the temptation was there. Of course the stronger temptation was to return to the stable and perform another extraction. But that would have to wait.