The Milking Lab

Story by blueaera on SoFurry

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#6 of Milking Stories

Three unfortunate guys find themselves trapped in the Milking Lab with a rather hungry experimental new creature...


Finally, another lewd story emerges! This one is sort of standalone - hopefully I'll get back to some other stuff soonish - but is pretty much the same kind of smut I always end up writing...


Colm yawned slightly as he woke up, wondering why he felt so groggy - the lizard hadn't felt that bad when he went to bed last night. He went to rub his eyes, but for some reason he couldn't - his arms felt stuck. Opening his eyes, he blinked a few times as they adjusted to the light before he could see what was happening.

To his surprise, he was definitely not in his bedroom anymore. In fact, he was very far from it - not only was he not in bed, he was upright, held against a wall by a series of tight, but surprisingly comfortable, restraints - arms, legs, and a few around the torso.

He tried to stretch, both to try and wake up as well as to test his new, er, situation - but there was no give at all in the restraints. At least his head and neck were free, and he got to have a good look around the room he found himself in.

The walls and floor were covered in hard, gray tiles - at least it wasn't your usual mad-scientist white, he joked to himself - and the ceiling was plain white, small lights dotted all over it. It wasn't too bright in here, thankfully.

Looking to his left, though, he saw another surprise - two other guys shackled onto the wall the same way he was, restraints around every limb, and - he just realised - totally naked. The otter to his immediate left looked very buff, to the point where Colm almost thought he could just flex his way out of the problem.

Further along the wall behind him was an avian, tall and lean with dark, neatly-preened feathers. Both of them were waking up too, and Colm tried to shout out to them, only to find himself gagged, meaning only a strained "mmmmmf!" came out.

As they all woke up and looked around, wondering what was up, a speaker clicked on somewhere overhead, and a male voice crackled out. "Good morning, boys!" said the voice. "Welcome to our lovely little testing facility. We have such a great program in store today!"

Colm's eyes darted around the room looking for any sign of the announcer, but there was nothing to be seen apart from a large, closed door on the opposite wall. "Now, who do we have today?" crooned the announcer.

"Let's see... ooh, what a trio! Colm, the pilot, Kyle, the college quarterback, and Tanni, the artist! We haven't had variety like that in a while." Colm saw the otter - Kyle, he guessed - angrily try and shout and pull his way out of the restraints, but he was reduced to just squirming as the gag muffled everything down to a "mmmfff! FFF!" noise.

"Now now, my dear otter, calm down, we'll get to you in a moment. Today, we're going to run you all through a full session with our experimental subject, and see how everything goes. We're pretty sure we've got the design nailed, so this is more a formality, but I'm sure you'll... enjoy it nonetheless."

With that, there was a noise of moving machinery as the door started opening, rolling up to reveal a small, dimly-lit chamber beyond. Colm could just about make out something moving in there, but as it pulled itself out into the light, he got a better look at the... creature.

It was three or foot long, slimy and vaguely worm-like, though with the added bonus of small insectoid legs on the bottom to pull itself along. The top was covered with see-through sacs and the whole thing squirmed along the floor in a slightly unsettling manner.

The sight of the thing had made all three of them stop moving. Kyle resumed his efforts to try and escape, but the otter could not move any of his restraints even slightly. Tanni just looked at them both with resignation, hanging there silently.

The creature paused as it got to the middle of the room, before it opened its mouth and extended thin, slimy tendrils into the air. They wiggled around, as if to taste their scent. Surely enough, after a few seconds it turned and pulled itself towards the avian, Tanni's eyes widening as it came closer.

"Ah, it seems you're first, Tanni! The others get to see what's in store for them!"

As the creature approached Tanni, more tendrils emerged from the creature's mouth and started to wrap around his legs and lower torso. With horror, Colm watched some of the tendrils gently probe at the avian's genitals, gently brushing along his flaccid cock.

Tanni clearly grimaced as the tendrils gently caressed him, his talons clenching as he tried to ignore the creature's advances. His cock wasn't listening, though, as it slowly stirred, getting stiffer as more tendrils emerged to wrap around it.

"In stage one, the creature is going to examine you and extract a sample of your seed, to determine its quality. There's no point resisting, it's designed to do this... very effectively."

Tanni was fully hard now, his cock covered in the slippery tendrils, slowly sliding up and down his impressive length. A few more emerged and wrapped around the tip, gripping tightly as the started an up-and-down motion.

Tanni's expression had gone from one of resistance to one of surrender, as he gave in to the creature's gentle caressing. A moan escaped from his mouth as the tight wrap of tendrils reached the base of his cock, before moving back up again to the tip, the creature relentlessly stroking him.

After a minute or two, a small bead of precum had formed at the tip of his cock, and the tendrils quickly lapped it up, as if to taste it. Their stroking of his cock resumed with a faster speed, pumping up and down as a few more tendrils caressed the avian's genitals and gently wrapped around his balls. Colm could tell that the bird was getting close - his breathing was getting more rapid, and his talons were starting to clench - and clearly the creature could sense it too.

It pulled itself closer, still caressing the bird's cock, its mouth now hovering just below as the tendrils wrapped around it. Colm saw his eyes close as he tensed up, his orgasm approaching, when suddenly the tendrils all pulled away, leaving the avian moaning through his gag as he was left on the brink of orgasm, flailing desperately.

A single tendril remained, gently caressing the tip of his cock, keeping him right on the edge. The avian's breathing was still heavy, shivering as he was kept right on the edge, until his cock twitched slightly as a small drop of cum leaked out, dripping onto the waiting tendril as it licked it up, careful not to push him over the edge into a full orgasm.

The tendril withdrew into the creature, and a few seconds passed. Tanni was still breathing heavily when the creature shifted and a long tongue-like proboscis extended from its mouth, shooting up to curl around his cock.

Tanni screamed through his gag as the tongue gripped his cock tightly and pumped up and down. The stimulation finally pushed him over the edge and he came hard, shooting several large spurts of cum into the creature's mouth as it continued milking him with its tongue. His entire body was shaking with his orgasm as the speaker crackled into life. "Ooh, good, looks like you passed the test!".

Tanni was paying no attention as his orgasm kept going for a good 20 or 30 seconds, smaller and smaller spurts of cum landing in the creature's mouth as it hovered just under his cock. Finally, his orgasm was done, his cock dripping the last few bits of cum as it started to go soft, still throbbing every so often as the avian panted heavily.

"Five minutes! That's one of our longest times for a first extraction! Not many can hold out that long. It'll digest your load now and be back for more later, though first, it needs to make sure you'll be ready!"

The avian barely moved as the creature pulled itself up and curled its abdomen around, a long, thin, wet-looking appendage on its rear curling underneath Tanni and, as his eyes widened, pushing gently into his tail.

The bird flopped weakly into the restraints as the creature slid inside him. Colm saw a purple fluid pulse along the creature and up into Tanni's ass. The bird groaned as it filled him and pulled away, purple liquid dripping from his ass as he collapsed into the restraints.

"That's a nice powerful aphrodisiac that'll have you back in no time!" uttered the voice chirpily, as the bird's now-soft cock slowly started to harden again as he breathed in and out deeply.

The creature, apparently done for now, shuffled along the wall to line up in front of Kyle. The otter was already rock-hard, his small cock poking out of his fur, and the creature lined up in front of him. Clearly he'd enjoyed the show.

The otter's cock was almost quivering as the creature positioned its maw right under his cock. The tendrils re-emerged and wrapped around it, causing a loud "mmmmMMMMf!" immediately. They rubbed and squeezed all over his cock, and after only ten seconds the otter was already shaking. Suddenly, the tendrils all withdrew, and Kyle let out a loud groan as his near-immediate orgasm was delayed by the lack of stimulation.

"Wow, someone was real pent up!" said the voice.

Again, a single tendril reached out and rubbed the tip of his cock, and was greeted immediately by a jerk and a large dribble of cum. It sucked up the cum and retreated, the otter whimpering as he was left on the edge of orgasm but unable to stimualte himself.

This time, though, the creature closed its mouth and started turning away. "Aw, shame, Kyle, seems your seed isn't up to par!" said the speaker. "The creature will harvest it for filler later, but for now it'll keep you nice and horny!"

As it turned away, it unceremoniously uncurled its rear injector and pushed it up Kyle's ass, quickly filling his tail with the purple liquid. He screamed through the gag as it pushed inside, his whole body tensing up as it withdrew. The sensation in his ass finally sent him over the edge and, as the creature pulled itself away, his orgasm hit.

He moaned as his cock twitched, three or four strong spurts spattering onto the floor in front of him, his orgasm ruined by the creature's quick departure. He was quickly reduced to just dripping small spurts onto the floor below him, the white cum splashing onto the tiles below. The creature paid no attention to Kyle as it pulled itself towards Colm.

"Well that certainly was quick" taunted the voice, "but don't worry, it'll make sure you last longer next time". The otter was too dazed to reply, his cock still hard even after his orgasm and twitching occasionally as the aphrodisiac took effect.

As the creature reared up before Colm, he felt his stomach turn, but he couldn't stop his cock starting to get hard in anticipation as the mouth positiond itself right below his groin and those tendrils emerged. "Now, everyone, what's behind door number three?" beamed the voice, as the first tendrils wrapped themselves around the base of the lizard's cock.

Colm groaned deeply as he felt them wrap around his cock and start caressing it. Two sets of them formed rings that started to move up and down his shaft, and he was rock hard in no time at all.

It had been a few days since he'd gotten any action, and he was starting to feel it already. A few tendrils moved beyond his cock to caress his balls, and he moaned involuntarily at how good it felt. The two rings of tendrils had sped up now, and he found himself breathing heavily in time to their strokes as they worked him up.

After only a minute or two, he found himself panting heavily, the tendrils now rubbing every inch of his cock at a fevered pace, and he felt his orgasm coming on. He took a deep breath as he clenched his fists, his balls retracting as they got ready to cum, just as the creature withdrew entirely and left him hanging on the edge.

In the blissful haze, he'd forgotten this was coming, and he screamed "MMMMMph!" through the gag as he was denied orgasm, his entire body trembling with the need to cum. It seemed like an eternity before that single tendril weaved its way back over to him and started stroking the tip of his cock with the lightest of touches, barely enough stimulation to even notice but enough to keep him on the edge.

He tried to will himself to cum but it was no hope - the creature expertly traced small circles on his cock, giving him the tiniest stimulation. Through all his concentration, he felt himself twitch involuntarily and looked down to see the tendril lick up the small drop of cum that had leaked out, expertly harvested without triggering his orgasm. He moaned as the tendril withdrew, leaving him entirely without stimulation, as it decided what to do with him.

With a sudden movement, the tongue shot out of the creature and smoothly wrapped itself around Colm's cock. It was warm and slimy, and the stimulation was enough to finally send him over the edge and he shook as he came hard, his first spurt landing directly into the creature's open mouth.

He shot spurt after spurt of cum, grunting heavily with each spurt, until finally he felt himself running dry. The tongue moved up and down on his cock as he came, trying to tease our every drop making him shudder as his now-sensitive cock was stimulated, before withrawing and letting his half-soft cock slip out of its maw.

"Good work, Colm! Looks like you passed the test, too. Two in one day is a great result." Colm barely murmured in response and went limp in his restraints, only to suddenly remember what came next as the creature shifted itself upwards.

He tensed up but it was no use as the creature's wet appendage pushed inside his tailhole, and his ass clenched around it as it pulsed, unloading warm fluid into him. He gripped tightly as he felt himself filled up, and as it pulled away with a wet slop sound, a good amount of the liquid leaked out and trickled down his legs.

He tried to ignore the feeling, but the warmth of the liquid spread through his body and concentrated in his groin, his almost-soft cock suddenly and painfully reversing course and getting harder as he groaned, the sensitivity from his recent orgasm still lingering.

"Good job, gentlemen. Stage two now, and this is where it gets interesting!"

The creature pulled itself away from Colm and moved back towards Kyle in the center, the otter still quivering and hard after his ruined orgasm and being pumped full of aphrodisiac. Colm swore he could already see a few drops of precum on the end of the otter's cock.

"Kyle, lucky you, you get to provide the filler for two people today! We're pretty sure this is safe, but you might not be able to cum for a few weeks after this."

Kyle let out an angry "mfffFFF!" through his gag, trying once more to break free, but it was no use. The burly otter was pinned in place, and the creature slid up to his feet, before latching onto him and pulling itself up his body.

The slimy creature pulled itself halfway up, its wet underside sliding along the otter's legs and belly, Kyle's cock squashed in between. The stimulation was clearly already making Kyle horny again, as he was starting to moan slightly, but then the creature shifted its abdomen and somehow pulled Kyle's cock inside, making him emit a deep moan.

The creature clasped onto Kyle now with all its legs, pushing itself hard against his groin as its body started to pulse. The otter was already moaning incessantly, and now it ramped up as the creature secured itself to him.

He was already panting heavily and his toes were curling, and while Colm could see no obvious movement, the moans and grunts coming from the otter made it sound like something was happening. Kyle's body started to shake and then his entire body twitched as he came, moaning loudly through the gag.

As Colm watched, one of the sacs on the creature's back started to get bigger, and fill with a milky-white fluid. It kept a tight hold on Kyle as it drained him, and the otter could do nothing but thrash and moan. The sac stopped filling up and he started to relax, his orgasm clearly over, but the creature did not let go.

Instead, it curled its tail up and thrust it inside his ass, pistoning it in and out while purple fluid started dripping out. Kyle whimpered as his tailhole was slammed open and the creature continued to hold on, his whimpers turning into pained cries as it didn't release him.

Instead, it increased the pace of its thrusting and he started moaning again, as the creature shifted itself to push down on him even harder. As it flattened itself against his body, Colm saw the tip of the otter's cock emerge into the cum-filled sac on the creature's back, just in time for the otter to scream through his gag as he came again, barely a minute after the last time.

Colm watched the otter cock shoot out cum inside the creature, the inside of the sac gripping the cockhead and stroking it in time to the spurts. It only managed to get a few more spurts out of him, but it increased the pace of the appendage in his rear again to even more fevered cries from the otter.

As they watched in fear, it brought him to yet another orgasm, the appendage in his tailhole seemingly milking the cum out of him as it pumped in and out. By this point Kyle was limp in his restraints, the burly otter just whimpering each time he came into the creature, slowly filling its sac with his cum.

After another four or five rounds of orgasms, the creature finally released him, and slid down off of the otter, its appendage releasing from his ass with a wet pop. As it slid off his cock, he was already totally soft, slime and cum coating his entire groin where the creature had drained him.

"Whew, that was a lot! Good job on lasting that long, Kyle!"

Kyle was silent apart from heavy breathing as the creature slid over to Tanni, the sac of warm otter cum glistening on its back. Tanni tried not to look at the creature as it slid up his front, clamping onto him like it had the otter.

The avian couldn't help but moan, though, as the creature wriggled to slip his cock inside him, and his cock sunk deep inside. It poked out into the cum-sac straight away, and Colm could see the creature start to pulse around it as the bird started to breathe heavily again.

As the creature tightened its grip, Tanni was clearly already very horny, as he was almost trying to thrust his hips to get more traction. A series of muffled moans and grunts increased in intensity as the creature continued to massage his cock, bring him close to orgasm quickly.

"Now, we found in our research that we could massively improve the quantity of high-quality cum by mixing it with filler cum" said the voice, to an uncaring audience. "The problem is, we have to mix it in the... right place"

The avian's cries increased in pitch as the creature's expert movements brought him towards a quick orgasm, but as he reached fever pitch and his talons clenched, he didn't cry out with orgasmal bliss but instead with a loud whimper as the creature compressed into him.

Wondering what was happening, Colm saw the cum-sac on the creature's back start to shrink in size. It couldn't be...?

Just as he was hoping it wasn't what he thought it was, the creature abruptly pulled away from Tanni and his interrupted orgasm, dropping off of him onto the floor to reveal the avian's rock-hard cock covered in cum, and his balls swelled to twice the size they were before.

He had a panicked look in his eyes as his cock twitched and dripped in the open air, but he wasn't going to cum, and he let out a frustrated moan as the creature pulled itself towards Colm.

"That'll help things along nicely!" crooned the voice. "The rest of it's for you, Colm!"

Colm struggled as the creature drew closer, but he couldn't do anything, and it quickly grasped onto him with its legs and drew itself up his torso.

As it swung back to position itself, he saw a fleshy hole on the underside, and with one fell swoop the creature swung its body onto him and clamped down with its legs, burying his cock inside it. He moaned involuntarily as his cock slid inside; the hole was covered in warm, slimy bumps, and as it latched on the creature started to pulse itself up and down, his cock massaged by the slimy walls.

The feeling was intense, and like Tanni, it didn't take long before he felt his orgasm appraoching. The slick walls rubbed and massaged every inch of his cock, squeezing and releasing in just the right places to make him desperately horny.

Knowing what lie ahead, though, he tried to think of something else and stop himself cumming. He managed to quell the feeling briefly, but then the creature shifted and pushed further onto him, burying his cock even deeper inside and pushing his cock head through into the cum-sac.

The sac grasped onto his head and massaged as it covered it in warm otter cum, and he couldn't resist the feeling as it slid across all his sensitive spots. His whole body tensed up as his orgasm approached, and just as he felt like he ws about to cum, he felt a small tingle at the top of his cock.

"You see", said the voice, "it has to get you ready to receive the filler. We can't just shoot it in there."

A long, thin tendril pushed itself inside, quickly burying itself down past his prostate as his orgasm started to hit. His balls tensed up, ready to shoot their load, but in response the creature tensed up too and he screamed into his gag as his orgasm stopped in its tracks, instead replaced by the feeling of warm cum being pumped into him.

He watched, helpessly, as the entire sac of cum deflated, his cock twitching, wanting to cum but being filled up instead. After what seemed like an eternity, the sac was empty, and the creature detached, his still-hard cock slipping out of the hole, desperate to cum still, but denied.

His balls felt a lot heavier, and he could feel the last of the cum dripping down his cock and onto his legs. If anything, he needed to cum now more than ever, but the creature was already pulling itself back over to Tanni.

"Lovely! Now it's phase three, where you get to help fertilize all the eggs. How lucky you two are!"

Tanni looked very unamused, though he could barely hide his horniness either. All Colm wanted to do was to unload his oversized balls, and he was sure Tanni felt the same way.

As it approached him, the creature turned around and approached the avian with its rear, as a long, slimy ovipositor extended from its behind. Carefully, the ovipositor lined itself up just above the avian's cock, which was already dripping precum and trembling from the anticipation.

"We did find", said the voice, "that the highest quality is achieved with a slow release. So, enjoy!"

Tanni moaned frustratedly as the ovipositor gently lowered itself onto his cock, taking a good twenty seconds to fully suck him inside. The bird was already worked up, and every inch he went further in caused him to moan loudly.

Once it had bottomed out, the ovipositor quickly pulled back off of the avian's cock, leaving it dangling in the air, before slowly pushing its way back on again. The moans and grunts from Tanni made Colm even hornier, even if it did look frustratingly slow.

Then, after a few more rounds of this, the creature sped up, and suddenly it was pistoning up and down several times a second. Tanni's eyes went wide as he screamed "mmMMMMphhh!" at the sudden stimulation, and Colm saw he was getting close to cumming.

Right as he got close, though, the creature pulled away, and the bird let out a frustrated screech as he just didn't go over the edge, his cock pulsing and trembling, dripping with pre-cum.

The creature paused, and then sucked him in again, giving him a few more pumps up and down and then releasing him, expertly keeping him on edge. Each time it pulled away Tanni screeched more desperately, but he could do nothing about it.

Finally, after what seemed like a good 30 minutes, the creature pulled itself up and started pumping Tanni even faster than before, the ovipositor moving so fast it was almost a blur. The avian screeched even louder as he approached his orgasm - and this time, the pumping kept going.

Tanni's entire body convulsed as he came into the creature, his legs twitching in time as he unloaded. The creature kept stroking at full speed, and the avian kept moaning and screeching as he came - again, and again, and again, each spasm weaker than the last.

After a full minute, the avian was entirely silent, his legs now only occasionally twitching as the ovipositor milked him dry. Finally, the creature withdrew and slid itself off of the avian's cock, which flopped out, trailing a string of cum between it and the ovipositor.

Colm had been hard the entire time watching, but as the creature came towards him, he felt a sense of dread. The creature positioned itself in front of him, and as it raised its ovipositor towards his cock, he saw the end of it glistening with the avian's cum.

It hovered over his cock, before very slowly sliding onto his cockhead. He gasped as he felt the smooth outer hole give way to small nubs inside, each one moving individually. Tanni's warm cum was still all over the inside, and it dripped down his cock as it slowly slid onto it.

It bottomed out on his cock and Colm let out an involuntary moan at the feeling of all of the nubs rubbing the sensitive parts of his cock. As soon as it was there, though, it was gone, and he let out a frustrated grunt as his cock was left dangling in the cold air.

Once again, it slowly lowered itself on, giving him brief pleasure, before pulling away. It did it a third time, a fourth, a fifth... he started to lose count, he was so frustrated. All he could think about was cumming.

Each time the ovipositor bottomed out, his cock head poked against some sort of opening on the inside. Then, as the creature kept teasing him, it started poking through, and briefly he felt his cock bumping against small, tiny... eggs?... before he was pulled out again.

After the first ten minutes, he was almost delirious with a need to cum. After the next twenty, he could think about nothing else. His mind was filled with images of him cumming again, and again, and again. Each time the ovipositor bottomed out he let out an involuntary shudder.

Then, suddenly, the pace changed, and the ovipositor was pistoning up and down on him at high speed. The feeling was so intense he screamed into the gag - it was almost too much, it felt like his cock was going to explode.

His orgasm, hanging on the edge for the last half an hour, hit him like a wave, and he felt every limb tense up as he came into the creature. He came again, and again, each spurt bigger than the last, the ovipositor expertly dipping down in time with his spurts to make sure they went deep inside.

After the first twenty spurts, he thought he was done, but the milking kept going, and all he could do was moan as his cock was squeezed and rubbed, every single drop of cum being dragged out of it by the creature. He started to go soft, but that didn't deter it, still rubbing along his cock, getting out drops of cum and making him almost scream as his cock started to become over-sensitive.

Finally, after what seemed like an eternity, it stopped, and pulled away from him with a rude pop. His cock, totally soft, flopped down in front of him, cum still leaking from its tip as he shuddered a few more times with the remains of his orgasm.

"Looks like a good volume by both of you, well done!" said the voice. "I think you might be ready for stage 4 by tomorrow, even!"

As Colm flopped into his restraints, he was almost too tired to consider what the next thing might be...