"Welcome! It's a pleasure having you join our team of breeders." A scientist in a lab coat stepped up to Summit and reached out to shake his paw. "Looks like all the paperwork is in order, if you're ready, we can step into the back." The scientist turned and stepped through a pair of double doors.

With an eager stride, the husky-coyote followed.

Inside the room was a scene right out of star-trek. Computers along all the walls with multiple scientists running between them. Metal lab tables with microscopes and electronic equipment littered about. And right in the middle of all a naked fennec fox stood out like a sore thumb. His arms crossed behind his back and his tail curled around his legs. He wore a bemused expression on his muzzle.

"We like to pair first timers with an experienced partner." The scientist leading Summit answered the question before it could be asked. "This is Kobaj, he's one of our best."

Summit gave a polite smile and reached out to shake the fox's paw. But Kobaj just squirmed a little while maintaining the same grin from before. With a curious head tilt, the canine realized the fennec's arms were bound together.

"It's...just a precaution. If you remove your clothes and assume the same position as your partner we can begin." The scientist started to list off the next set of steps.

But Summit didn't hear them. He had a bad feeling. Was this what he had signed up for? The fox didn't look too worried. Maybe it was safe.

"Summit?" The scientist interrupted the canine's thoughts.

With some slight hesitation Summit began to strip. He wasn't trying to show off, but he could see that Kobaj was staring. Admiring his toned pecs and abs as he removed his shirt. The fox's tail even began to wag when he removed his pants and jock strap - revealing muscled legs and a large sheath. He finally crossed his arms behind his back and felt the scientist clamping them down in place with some leather cuff like material.

Summit wasn't sure about being tied up. Was this listed in one of the 100 long pages he signed? He did remember one page that said he could opt out at any time. He was just about to ask the scientist when the entire room's lights dimmed and a circular ring of almost blinding white light lit up beneath the two subjects. With his eyes shut tight, he didn't notice that above him a large circular aperture had opened up.

Several semi-transparent purple tendrils descended from the ceiling. They moved with impeccable flexibility as they blindly searched for the two subjects. A tendril finally landed upon the soft rubber fur of Summit's shoulder. Which caused the canine to open his eyes suddenly and stumble backwards in fright. But with impossible strength a second tendril came up behind the canine and coiled around his waist. At first just holding him upright, but then quickly hoisting him into the air. Kobaj made a soft delighted yip when a tendril found him and did the same.

Summit's eyes darted around and a look of horror spread across his face. This was not what he signed up for. He opened his mouth to shout to the scientists for help, but before a single sound could be uttered a thick tentacle pushed itself between his lips, across his tongue, and down his throat. Silencing him completely. For a few moments he just thrashed wildly in the air. But the attempt was futile.

Kobaj chuckled softly to himself and tried to give the canine a reassuring look. Then after licking his lips, he opened his muzzle and invited a tentacle inside. The smooth purple appendage slowly pushed across his tongue and down his throat. Leaving a slimy yet surprisingly sweet residue everywhere it went. Inch after inch disappeared down into the fox's muzzle, til no more could fit. Only then did it start to pulse and throb, pumping thick slimy liquid into the stomach of its host. Upon seeing that Kobaj was calm and in fact, even wagging his tail in delight, Summit began to calm down himself too.

More tentacles and tendrils fell from the aperture in the ceiling, wrapping themselves around the pair. Leaving sticky residue everywhere they touched. Some curled around their tails and legs, helping hold them up and spread apart. While a particularly unique tendril slipped down and dragged itself against their warm sheaths.

Looking down, Summit was surprised and a little embarrassed to see his cock fully erect. His foxy partner was pretty cute, and the tentacle did feel pretty good as it thrust in and out of his muzzle. But surely there must be something else going on to make him so suddenly horny. An aphrodisiac or similar in the liquid that was being pumped into his stomach. It made sense, a necessary ingredient to help him breed.

And he definitely felt a sudden need to hump something, anything! Thankfully as if reading his thoughts, the unique tendril touching and teasing his sheath split open. Revealing a slick hole that perfectly fit around not only his shaft, but the fox's too. Letting both of them thrust and bump and grind in a double penetration like fashion.

Kobaj grinned in eager delight at the next part, but Summit was far too awash with his current pleasure to notice two tentacles, larger than all the others, slipping out of the ceiling. That is until it brushed beneath his tail and squirted his entrance with warm slick liquid. Before the canine could react, the tentacle pushed itself forward. Spreading open his tailhole and forcing him to stretch around the thick appendage.

The tentacles were relentless as they worked themselves into the fox and the canine. Just like with their muzzles, inch after inch of the purple creature disappeared deep inside their bodies. Summit had never felt anything like this before. There was the familiar delight of pressure on his prostate, sure, but the deep guttural full-ness was a whole new form of wonderful bliss. And it only got better as a new bulge began to press against their rims.

Summit assumed it was a knot, much like that of a canine cock. And with just a little bit of stretching it would allow the tentacle to lock itself inside him. So he folded his ears back against his head and breathed deeply, preparing for that inevitable end. Infact, his own knot was starting to swell around the base of his cock. He didn't normally reach climax this quickly, but it was admittedly all a bit overwhelming.

The pressure beneath his tail built more and more, until finally the bulge managed to pop inside the canine. Summit squirmed in pleasure and delight, toes curling and tail wagging. The extra rubbing on his prostate practically forced him to climax. Cumming hard, he bucked against the tentacle gently sucking on his cock and moaned in delight as it accepted every drop he had to give. He tried to moan, but the tendril still in his throat prevented it, so he just let out a long deep breath of satisfaction.

Of course Kobaj knew better than to give in so early. Rather than clenching around the bulge after it popped inside him, he tried to relax in preparation for the second.

Just a few seconds later, as the second bulge presented itself, Summit's eyes opened wide in realization that it wasn't a knot at all. It was something else. Something being pushed through the tentacle and deposited deep inside his body. He wasn't breeding anything at all, he was being turned into an incubator and being bred!

The second bulge was quickly followed by a third, and a fourth, and a fifth. Each felt more intense than the last as any remaining space inside their bodies was stuffed and filled. The fox eventually had to give in and climax himself. The wonderful full feeling and constantly rubbing of his prostate was too much. His whole body shook and trembled as he filled the suction tendril with his seed. Summit of course was in a whole new world of pleasure, his vision was blurred and his body almost started to ache. But he could distinctly now see that what was inside the tentacles was eggs. And there was more than he could count still remaining to be deposited inside him. For hours he was pushed to his limits as an impossible number of the eggs were forced under his tail.

At some point he must have passed out from pleasure as he woke up in a warm bed with his rubber fur cleaned off. Though he could still taste the residue on his tongue. And his insides felt more full than ever before. He swore he could feel the lumps of the eggs as he rested a paw across his stomach. Just then a door opened and a familiar figure stepped into the room.

"How was your first breeding session?" The scientist asked. At first Summit assumed it was just some light hearted bed-side empathy, but quickly realized the question was not rhetorical. He was asking from a scientific perspective. And so with an enthusiastic nod, the canine began to explain in great detail the joy and pleasure he experienced. And that he was already ready for round two.