Cube Labs Experiment 2 Space 02- Joy Ride

Story by RabidRabbit on SoFurry

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#2 of Cube Labs

Standard adult entertainment warnings here: please be of adult age and not to be offended by homoerotic acts or adult fantasy. If you are alright with that, please proceed. Constructive comments, grammar correction, and thoughtful suggestions are welcomed.


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Thank you for choosing Cube Labs for your testing facility. Please ask about our bulk lab rental special! Allow us to facilitate your interdimensional testing needs with our state of the art pocket dimension testing cubes. Every cube can be equipped to fit every control and modification for your scientific or creative needs. All recording equipment can be rented at an additional cost and we cover everything from quarks to quasars for your data requirements.

Cube Space 02-Joy Ride

"Hey, it's me," spoke a hushed voice.

Registered client identified. VIP protocol initiated.

Please input Lab parameters or select from your presets. "I'd like one new instance of preset three, parameters are as follows. Class M, linear time, lab one, subject D-8, W-14, and espresso with hazelnut crème."

Your room is ready, data recording started. Linear time will initiate as soon as you enter the Lab. Thank you for using Cube Labs for your testing needs. You are a valued client Dr. Cart-

The door had shut, and the doctor had entered his custom lab. Before him was an elegant chair and a large semi-circle console with a steaming espresso next to a cup of cream. As the white rat mixed his beverage, his other paw tapped a few controls on the console. The wall across his desk opened to a small concrete chamber.

In the center of the chamber was subject D-8, a muscular chestnut brown horse. Thick leather straps covered the equine's thick calves and even larger thighs to legs of the chair. Another band wrapped around his navel and bulging pectorals that connected to the back. His muscular arms were bound by the wrist and elbow to the chair. His large neck was held in place by a collar embedded into the headrest, leaving the naked hulk of a stallion unable to move more than an inch in any direction.

The rat finished the rest of his coffee before heading to the adjacent airlock. He entered the chamber with nothing but a lab coat on and inspected the subject. His paws traced along the horse's various veins and bulging muscles, murring softly to himself. The rodent couldn't help himself as he looked at the bound horse's impressive balls. He cupped the velvet like black sac of the stallion, rolling each orb in his paw even though one alone could rest on his palm. His other paw traced up and down the horse's thick sheath.

The bound stallion let out a long groan as he started to regain consciousness. He tries to move and discovers quickly that his body was tied down. This did not sit well with the horse as he started to shake his head and noticed the smaller rat molesting him. "Dude! What the fuck?! Get off me!" he cried as he tugged against his restraints. His impressive body flexing and pulling caused the metal to creak but could not break free from the bindings. The rat just grinned, watching the gorgeous body struggle.

"Settle down there. You're not in any position to make demands," said the rodent as he continued to fondle his junk. The horse was frightened and irritated but had to admit it the rat's paws felt pretty good. He tried to look around. His neck was kept restricted by the strap around his neck, leaving him to think for a moment. It was difficult to focus with the rat still massaging his balls and sheath and the haziness from still waking up.

"Come on, if you just want to fool around. I'd be happy to oblige," said the horse, attempting to buy into his captor's advances.

"There will be plenty of time for that later. I'm just prepping you for the experiment," replied the rat.

"W-What experiment?" the horse asked, looking around the room. He could see the observation room's window across from him. On his left corner, he could make out a work bench with some canisters. In the other corner is a large tank containing a murky white liquid.

"I'm only going to explain this for posterity, not because you asked," the raid said before giving the horse's cockhead a firm squeeze.

The equine let out a soft groan as his shaft flexed and smacked against his taught belly. "Ah, let me go now!" the horse said in frustration. He pulled against his bindings again, veins bulging against the unyielding straps. While he struggled, the lab rat had walked over the table and retrieved a canister and a glove.

"This is a modified version of a pretty nasty creature we colloquially know as the brain worm. The original species had a pretty nasty habit of destroying the host brain as it violently enters and takes over their body. They're such a complex and adaptive parasites to begin with being able to adapt themselves to the nervous system of anything with a brain large enough to fit it. This one however is a masterpiece of genetic manipulation by yours truly." The rodent strapped on the glove and took the cap off the metal tube.

He returned to the horse and poured the contents into his gloved paw. The horse's eyes widen in fear as he saw a dark purple slug squirm and thrash around in the rat's glove. "This little fellow can achieve complete control with out destroying the host's brain. The synaptic ganglia have been altered to attach at the tail of the spine rather than the top to achieve control of the host body. I have infused my own DNA into this one so its obedient to my commands. The brain worms are rather aggressive by nature when it comes to seeking a host, we will begin assimilation to subject D-8 now."

"Whoa! Stop, please wait! Don't let that thing anywhere near-gah!" the horse cried out as the rat ignored his cries and proceeded to reach over and press the wiggling critter against the horse's molted pink cock. The modified brain worm's end opened, and a white tendril pushed out before splitting and branching into numerous thinner appendages, squirming all over the horse's shaft. The thing left a slimy mucus all over the horse's tip before the tendrils flicked across his slit.

The tendrils all worked to pull itself closer to the end of the stallion's cock head. The rat tilted the main body, letting it start to push and squirm down the horse's narrow opening. He cried out as he felt the sting of the parasite invading his member. "The creature will make its entry through the urethra and root its rear end to the prostate and bladder while its head burrows towards the tail bone. From there it will begin to extend its ganglia and fuse with your spine permanently. This leads to the best preservation of the host body for future needs," the rat watched with glee as the purple worm was now a large bulge disappearing down the impressive foot and a half of meat.

"Make it stop-ah..." the horse trailed off as the burning sensation faded and his dick tingled. The sensation spread the deeper the worm went. His cock began to flex on his own as it felt like something was massaging his dick from the inside. The stallion never felt anything like this before. The worm used its mouth tendrils to push deeper and pull its main body along. It had reached the narrow bend of the horse's base and pushed the white tendril right into his prostate causing his hips to buck.

The rat took a step back and watched as his experiment began to take root. He placed the canister back on the table and returned to the control room. He tapped his console and brought up an internal image of the horse's hip section. The display rendered a holographic display where the rat could see through the horse's skin and muscles to watch his creation at work. As he studied the parasite pushing its way into the horse's bladder, his free paw idly stroked his thickening sheath.

"Fu-uh-fuck," the horse groaned as he felt like he needed to pee even with his dick feeling harder than its ever been. He continued to squirm as that fat thing pushed the rest of its slick body past the horse's swollen prostate. The tail end of the worm latched to the pleasure nugget of an organ and pierced it with a needle like appendage. It started pumping in a compound that caused it to grow even larger. The subject was about to go mad with pleasure, thrusting his hips into the air helplessly. Every slap of his leaking cockhead left sticky strands bridging his tip to the strap above his navel.

Distracted from such wild pleasure, he felt on the verge of orgasm. No matter how hard the pressure in his loins built, the horse couldn't reach the peak. It was beyond frustrating that he didn't feel the sting of the worm pushing past his bladder and reaching his tailbone. The second the tip emerged against the spine, it spat out all its ganglia. The rat watched his screen as the parasite began to attach itself to the horse's nervous system.

And just like that, the horse's eyes rolled back, and his head drooped back. His entire body went slack in the chair except for his leaking hard cock. The rodent studied the monitors, taking note of the continued growth of the horse's prostate. The worm had completed its initial stages of integration with the host body and began its chemical alterations. There were no signs of rejection from the body builder of a stallion. The rat grinned and fiddled with his console.

With a series of clicks, all the straps flung loose and release the horse. He just sat there, staring blankly as his mind was taken over by the parasite. The horse would be shaking in fear if he had any control over his body. He could hear whispering voices in his mind trying to sooth and calm him down. His attention was distracted briefly when the rat entered the chamber again. His eyes shot over and he felt a strange sensation of comfort and security wash over him at the sight of the lab rat.

"Beautiful..." the rat stammered as he walked back in with a digital pad in one paw. He glanced down at his pad then back up at the horse. "The work of two and a half years has finally bore fruit," said the rodent, reaching out with his free paw and cupping the horse's enormous testicles.

He commanded the horse to stand, and the muscular frame left the chair. He stood three heads taller than the rodent and easily weighted six times that of the rat. His meat hose bobbed up and down, inches from the doctor's snout. The lab rat made some notes about the responsiveness to commands. His paw moved from his hefty sac to the base of the horse's cock. His finger trailed along the line of a thick vein that ran along the side. He gave it a soft squeeze and it was as hard as a steel pipe. A spurt of pre squirted out when he gave it another squeeze.

The rodent produced a small sample container from his lab coat pocket and milked a few more spurts of crystal clear pre. He pocketed the sample and inspected the mighty stud before him. He tapped the pad and the chair disappeared into the floor.

"Now beginning physical," announced the rat. He began to run his paws all along the horse's sculpted body. They roamed from his strong and long face, down his broad shoulders. He flicked his thumb across the horse's dark nubs, feeling the mound of muscles that made up the stallion's pecs. The entire time the lab rat examined and indulged himself with his subject's body, the horse never moved. The stallion stood completely still, watching and feeling every sensation of the researcher's touch.

"Bend forward and lift your tail," the rat commanded. The horse's obeyed and felt his ass being groped immediately. The rat began to run his fingers along the horse's ring and down to his hanging balls. The area between protruded slightly as the worm continued to expand the subject's prostate. The scientist's paw squeezed and rubbed the swollen bump, causing a huge gush of pre to explode from the horse's dangling cock. The mess splattered against the ground audibly.

The pad began to beep, causing the rat to stop groping the horse's prostate. He studied the readings and ran over to the corner. He unlocked the wheels at the bottom of the vat.

"Physical complete, gestation period had begun. All readings are nominal," said the rat. He ordered the horse to stand back, and wheeled the vats open end under the leaking hose of horse cock.

As he repositioned the cart, he pulls out the pad to check an internal view of the worm. The parasite had spread its tendrils past the horse's enormous prostate and pushed into his testicles. They began to tap into his sperm production for its next change. An opening formed above its tail and began to release several larvae into the host's bladder. Over the next few minutes, the lab rat gently pressed and felt the growing bulge below the horse's navel.

As the bump continued to swell a bit more behind the muscled gut, the rat's whiskers twitched, and he could sense it. "They're ready," he cooed and ran a paw down the entire length of the horse's still hard shaft. The rat picked up the pad to confirm his assumption. The display rendered a model of the subject's bladder. The organ was swollen like an overinflated balloon. Inside, countless worms pulsed and squirmed around each other. It seems the reproduction rate was twice as much as predicted. The rat knew he needed an incredibly resilient subject for this to work, but the success exceeded his expectations.

It was now the time to begin the extraction of brood. The lab rat rather enjoyed this bit. He wrapped both paws around the horse's cock and began to pump and stroke from base to tip. The subject felt every sensation ten-fold. Had the worm not controlled his motor functions he would have long since drop to the floor, coming uncontrollably. The rat continued to stroke with one paw while his other paw ran circles around the flared head.

Pre continued to gush out like a sprinkler head. The rat continued to rub and slather the flared tip before pressing his finger into the horse's slit. As he continued to wiggle and press, the rats finger began to sink in and push into the horse's shaft. After giving a few good pumps, the rodent popped his finger out. This made the standing horse shudder as the next phase began.

The rat's paw brushed against a lump at the base. He continued to stroke and aim the tip at the tank. The bump began to squirm on its own beneath the taught underside of the horse's cock. Another spurt of pre stopped short as a fat worm body plugged the exit. It was only a brief second before the rest of its body pushed out with a torrent of cum.

The horse started to come harder than he ever thought possible. The muscles around his prostate and bladder could quite possibly bend steel as they contracted hard and pushed out the parasitic load. Then the next worm shot out and another. The rat continued to milk out the brood into his prepared container. The bulge in the subject's bladder began to disappear over the next half hour.

The rat smiled as the tank filled with the young larva. He brought out his pad and verified the brood was accounted for and the horse now empty except for the parent worm. He sealed the vat and reviewed the recorded data. He returned to his console and filled out his release forms. Cube labs strictly enforces it's policies, and anyone found in violation may have their current dimension collapse around them. Suddenly, violently, and all over the place. Normally they do not allow the removal of equipment, but VIP had access to lease some equipment.

The rat squeaked, startled by a notification. The pad displayed an alarm from one of his labs from his origin dimension. His facility has been destroyed. "Well fuck..." He let out a sigh and submitted his form. He ordered the horse to wheel the cart and follow him as he left the lab. They stepped through a large gate of various sliding doors, some twisting and rotating as they approached. The final door slid aside to reveal a normal looking hotel room. The rat watched the closet door slide back close, severing the portal.

The scientist made a phone call to arrange for a new facility with his sponsors. After arrangements were made, he'd have to wait till tomorrow before he would have a new location. Till then he looked back at his enthralled subject and ordered the horse to lay on the bed. He straddled upon the horse's pecs and began to push his already hard mouse meat into the horse's lips, eliciting a soft moan. At least he wouldn't be bored till then.