Uncontrolled Test Group

A story for Skarlath

Living in a society where only one gender, males, exist can present a number of oddities. Unfortunately with the missing female gender sexual intercourse is replaced with vat grown clones, external wombs or, for the more adventurous, the treatment. This treatment is exactly what the trio of Skarlath, Artemis and Roan have been waiting for. It can take over a year on the waiting list until you finally get the go ahead but that day has at last come. In the initial talk with their assigned physician, a middle aged falcon, they are explained in simple language how the entire process will work.

Artemis, the lion, and Roan, the stallion, will serve as the "fathers" and as such will receive an injection containing hybridised organic nanomachines and a concoction of hormones that will trigger a prodigious production of sperm. Skarlath, the grey timber wolf, will serve as the "mother" and be provided with a similarly advanced medication that will be ingested orally; inside the digestive trace it will create the synthetic facsimile of ovaries and a womb that will make the pregnancy possible.

First Artemis is shown through to a sterilised white room where they keep the potentially dangerous treatments. The old hawk does not actually perform the injection himself, instead just overseeing the nurses and alarmingly crab-like medical machine which prepare the lion. He seems non-plussed until multiple needles pierce his skin as if he is undergoing cyber acupuncture. The lion's roar can be heard in the next room where Skarlath curls up against Roan, but the sound soon dies away as the injection into bone marrow and tissue is complete.

The lion emerges from the room where Skarlath bounds over to him and hugs him tightly, more than a little teary eyed as he licks his leonine lover's face. Artemis is calm as he hold his wolfboy in his arms, gently rubbing his back in a reassuring motion. He looks up at Roan as the brown furred stallion walks up and nods at the two before stepping through to the room. Skarlath frowns but the lion tells him that the equine will be fine and takes him back to sit down in the waiting room whilst the lupine clings onto him.

Of course Roan goes through the exact same procedure, although he produces a far less desperate sounding noise in a braying action than his lion partner. He prides himself in being the toughest and once the needles are out he acts as though nothing even happened. Returning to both Skarlath and Artemis, they see the doctor again as he explains that both males will feel any number of symptoms and should probably take a week off work to not run into any complications. He then presents Skarlath with the last key ingredient of the treatment. A container pops up out of the physicians desk, which doubles as a pharmaceutical dispenser, containing the orally ingested pills.

***

Returning home the three waste no time in retiring to their custom fabricated bedroom inside their flat belonging to the high tech skyscraper they live in. The smart house AI is aware to put on the mood lighting, just bright enough to make detail out up close, as they males start to undress.

Artemis wastes little time in sinking his claws into the Skarlath's plump furry rear, pulling his pants down eagerly. The wolf hikes his butt up as the feline starts to apply his coarse tongue, raking it over the soft furry edges of his tailhole. A blushing Skarlath undoes the stallion's buckle as the brown equine reclines on the large bed that accompanies the three. The horse's pants come off and his rapidly hardening cock springs out and into the lupine's face with a dull thump against his muzzle.

"Mmm, good horsie." Skarlath giggles as he brings his paws around the equinehood and starts to lick at it with broad strokes of the tongue from base to tip.

Becoming bored with simply tasting his wolfy lover's ass, Artemis quickly removes his clothes revealing his powerfully lean leonine form in the low light. Roan nods at the lion as he takes his proud erect cock with a staggering hype endowment of three feet and thrusts it up smoothly against the wet furry butt which the wolf proudly wiggles for him. Gripping the four and a half foot horse rod in front of him Skarlath is rewarded by a stream of pre bubbling out of the head which he immediately laps up.

Eager for that tight ass, Artemis finishes rubbing himself against the wolf's buttocks, as his phallus is rock hard now and drooling for some action. He digs his claws in and spreads the lupine's rump out before thrusting forward into Skarlath's tight little tailhole. The wolf yips and then moans as the lion enters him, erect barbs plucking at the edges of his hole and raking their way along his insides sending spikes of pleasure all over his body.

"Now, now, don't forget yourself." Roan says and places a heavy hand on top of Skarlath's head, forcing him down gently as his lips part to take in the big equine's huge endowment.

He moans over the huge organ, lips squeezing around the fat head as he licks the underside with his tongue. The lion grips his submissive lover's butt, squeezing the cheeks together around his cock, helping him to milk it as he grinds into Skarlath. The wolf whimpers and moans over Roan's rod as his hands slow down along the meaty pole to play with the stallion's big full balls.

"Mmm yeah, just like that pup." Artemis purrs as he leans over Skarlath's naked back and licks at his neck before bitting into it gently.

The wolf quickly makes his way down the horse's pride and joy, all the way until his lips are pursed against the equine's crotch and kissing it gently. Roan pulls back on Skarlath's head though, pulling him off before pushing the greedy canid back down. All the while Skarlath slurps, sucks and licks eagerly at Roan's member, taking a lungful of air each time he comes free only to return to sucking his partner's throbbing dick whilst playing with the sweaty ball sack beneath it.

His other partner meanwhile picks up a steady pass of screwing the wolf's ass, his lion balls smacking gently against him as they swing to and fro. Artemis growls and clings onto Skarlath's back, eyes fluttering as he submits his body to the instinctual forces sweeping over him. Each powerful thrust into Skarlath's sensitive and tight flesh leaves a wake of enticing sensations shooting through his nerves and up his spine to cloud his head and judgement. The wolf's own malehood comes out to play, although not as impressive as either of his partners, the pointy and knot-equipped erection still reaches up to his chest at two solid feet as it drips its pre over itself and the floor below.

"G-Get on the bed." Artemis growls and Roan smiles in agreement.

The horse grabs Skarlath and carefully pulls him up onto the bed, pushing himself further back onto it and all the whilst making sure the lupine keeps sucking his big hard cock. Once the lion is settled onto the bed too he purrs and goes into a full on doggy position, fucking Skarlath's little tailhole for all it is worth. Artemis leans over Skarlath's shoulder and watches as he slurps and gurgles on the equine's engorged cock, pre collecting on his lips before dripping down his chin. He licks the wolf's cheek in a gentle sign of affection, but Skarlath is too busy working on both males' dicks from either end to show any response other than an even tighter hold around the leonine meat inside of him.

All of a sudden something tenses up inside the horse, Skarlath can feel it as his fingers play across the tall male's plentiful balls. If he could, the wolf would have grinned in wicked anticipation right now, but as it stands he is too busy sucking down on the equinehood which he knows it about to explode with a primal ferocity he is in love with. Similarly the shorter and fast thrusts Artemis is now making is a sure sign that the feline is just about ready to release his pride into the omega wolf's eager little rump.

"Oh gods... can't..." Roan gets nothing else out as he throws his head back, one hand still holding Skarlath down, and neighs out with the satisfaction of reaching his peak. A torrent of semen breaks free from the dam that is his testes and rumbles as it travels up along the long shaft before erupting down Skarlath's muzzle.

Skarlath has to reel himself in after the first five seconds, so much cum shooting out of the weapon-grade penis inside his mouth and throat that it bubbles up threatening to shoot out of his nose. He pulls back, both hands still wrapped around the cum cannon and milking it as his mouth rapidly fills up. It is coming out too fast, Skarlath struggles to swallow even half of it down before it pours out of his mouth and gets all down his neck and chest, the rest of it ending up on Roan's crotch and balls.

"Not... without... me..." Artemis gasps and then roars as he drives himself all the way inside of Skarlath, his loins lifting up before he too cums inside the wolf but from the opposite end.

Skarlath' body fills with warmth, making him murr gently into the still jizzing cock against his muzzle. But then something catches his attention and as Skarlath opens his eyes he notices Roan is not the same horse he has always been. Now the equine, merely in an upright sitting position on the bed, has his ears brushing against the ceiling of their spacious bedroom. That which brought Skarlath's attention is the fact that the horsehood in his paws is far larger than it was only moments ago, longer and thicker with a head that probably could not fit inside his mouth now.

Then the wolf yips and barks loudly as he feels the lion's cock deep inside him grow too. He looks back at Artemis as a blissful look on the lion's face changes to one of peeked curiosity, although not alarm as he does not feel bad. Both Roan and Artemis look at one another as their bodies continue to grow, skeletal and muscular structure adapting as everything is changed proportionally. They should be worried, confused and even frightened, but instead they feel great. A very loud moan from the wolf distracts Artemis from checking out his changing body as he remembers he is still inside, and still ejaculating within, poor little Skarlath.

"Are you okay? Let me pull it ou-"

"No! Leave it in me! G-GAH! F-Fuck that's good." Skarlath howls as he spills his own seed and shudders, his insides clamping around the rapidly growing leonine manhood inside him. It should be hurting him, even tearing him apart by this point, but something is allowing him to take it and boy does it feel wonderful for the lupine.

Eventually though the lion stops orgasming and he pulls out as he and Roan try to not crush anything of important to them; especially in the case of Skarlath as the wolf recovers from so well filled. The two increasingly gigantic males start to smash through walls with their elbows and the floor strains as they rapidly outgrow the flat; the large bed already having now become a compressed husk of what was once furniture. Thankfully their apartment is pretty close to the ground inside the building so Roan suggests that they simply break out before they destroy the entire building.

"Are you serious? I mean, this can't be happening." Artemis protests and motions with one clawed hand before it smashes through into the kitchen.

"Yes I'm being very serious right now Artie. You pickup Skarlath, cats always land on their feet so you can keep him safe right?"

Artemis is about to respond defensively to this speciesist, and to point out he is not just simply a cat but a kingly lion, before one of the stallion's hooves goes through the floor and they hear a scream from the room below. The lion nods and gathers his drowsy looking afterglow rich wolf partner, the lupine curls up snugly against the lion's arms as he continues to grow. Roan then tears his way through with his bare hands, reaching the floor below he then launches himself for the wall to the outside.

Cold night air flows past the giant naked stallion's head and then a pregnant pause before he hits the ground with a loud crashing sound sending debris and dust everywhere. Artemis follows with a good deal more grace as he lands on his paws smoothly. Then both of them bellow as the transformation kicks into an even higher gear, their growth spurts becoming massive and just a little erratic.

The sounds and cool air quickly rouse the half-unconscious Skarlath as his body recovers from the filling it received. He looks around in panic at first and then stares at both of his lovers as their ginormous forms dominate the view. He wriggles his way free from the lion's paw and uses his fur and even a little of his mane to help make his way up to Artemis' shoulder.

Looking down the wolf gauges that he is some thirty metres up off the ground now or in other words a hundred feet; he whimpers and clutches onto the side of Artemis' face. The incredibly macro transformation stops now and the lion takes in a few gasps of air before he notices the changes in perspective he has now. At first he has to stop and wonder if this is all real, before then hearing a certain wolf scream into his ear.

"Oh, sorry there honey." Artemis coos and picks up Skarlath, holding the canid in his paws gently.

"We can figure out why this happened later, but fi-" Skarlath stops, as a funny feeling distracts him, then similarly to Roan and Artemis he too begins to change.

"Don't fight it. It really is very good." Artemis suggests and then puts Skarlath down for a moment as he grows, although his body is not as impressively built with empowering musculature as his lion and stallion lovers, the wolf is still rather proud of his nice big bubble butt as it grows in real estate value.

Ultimately the macro growth for Skarlath stops far sooner than Artemis and Roan's did, leaving him as what could be called a lesser giant than the other two and almost child-sized in comparison to them. Nonetheless he enjoys being able to pick up an parked flyer and pretend it's a cub's toy for a moment before coming to his senses.

"Wait, where is Roan? I don't see him."

"Umm, he's over there." Artemis picks the wolf up and points to where the largest of the trio is busy exacting a shocking revenge.

Roan has been unemployed for the past couple of months, and his previous place of employment was as a technician at the city's delivery service Unimail. Right now the stallion is taking entire chunks out of the building by swinging his long, battleaxe of a cock at it. Each swing is rewarded by a mighty crash and more pieces of the facility being strewn across the road as people gather and watch in a transfixed terror and fascination.

"Get me on that cock!" Skarlath blushes and giggles a little as he realises what he has just said. But the ridiculous thing makes enough sense to Artemis that he carries the wolf as he bounds over smaller buildings and reaches the rampaging stallion.

"Don't try to stop m-" Roan starts but is soon stopped as Skarlath is firmly planted ass-first onto the equine's tremendous length.

At first Roan stops and simply looks surprised and confused, then he rumbles low and wraps his hands around the wolf as he starts to use him like a fleshlight. The lion steps back and watches as his two lovers do it in the most ridiculous of settings as giant amidst a road covered in rubble. Skarlath howls and moans as he bobs up and down along the giant horse's equally gigantic cock, somehow each metre of the thing fits inside him as the lupine wags his tail happily. His own phallus comes out to play and even as pre dribbles back down Roan's shaft the little people are treated to a gradually increasing quantity of male juices and scents in their world.

Forcing the big wolf down on his colossal cock over and over again, Roan's erection throbs powerfully inside the stretchy male. He forgets about Unimail but instead walks back, ripping up the road underhoof, until he parks his butt against another building caving part of its roof in. Stroking himself whilst watching the other two, Artemis simply can not resist as he takes a seat on the ground and starts sucking himself off.

At first the feline struggles with his multi-story hard on, but slowly he manages to get the thing into his mouth and starts to go down. People trapped underneath the giant cat's balls squirm and struggle to free themselves, the feeling of power is incredible and Artemis reaches out with one paw to sweep up some more tiny people and rubs them over his ball sack; some of the non-macros becoming aroused themselves, thrusting against the giant lion. Artemis purrs as he sucks down on his own gigantic length, the meat twitches and throbs down his throat as pre spills out past his lips and drips from fur and whiskers to add the male scents on the air.

Roan brays loudly as he thrusts the little wolf down on his megalithic member over and over again, his juices dribble free from Skarlath's abused hole and he shudders over the hot pillar of horsehood. Skarlath clings onto the front of Roan's crotchfur, raking his claws through it as he sniffs at the male sweat mixed with sex-filled scents coming off it in waves. Then the stallion begins to twist Skarlath around and the face on the lupine's face is one of divine bliss as his anus is teased out in proportions he is downright alien to. He howls and a jet of wolf sperm arcs over the city landscape before smashing into a building, breaking through hardened glass.

As the city people watch, both Artemis and Roan reach their climaxes. Both giants roaring and neighing with the volume of a sonic boom, their cocks flaring into life once more as cubic gallons of semen erupts from the organs like angry volcano gods. Skarlath howls and moans in delight as he is once more filled, his body blooming out before the equine's precious seed spills out and creates a waterfall pouring down on the ground below.

Meanwhile the lion, after a few seconds on top of his mammoth cock he pulls off and grips it in both paws as it explodes. Powerful jets of cum spray up into the sky overhead and then falls down as if it is rain, drenching cars and people, flooding streets and ground floor buildings. Then a wicked thought crosses the feline's mind and he aims his phallus at Skarlath, the jet is so powerful that it reaches and hits the wolf square on his torso splashing out in a radial pattern. Both the horse and lion are unashamed as they produce more semen than they have ever done before in their entire lives.

However, even before their orgasms have finished, all three macros are growing again. Roan blinks before his ass crushes the building he had been sitting on and his cock grows even larger as the wolf whimpers and moans on top of it. Artemis steadies himself with his paws as he rapidly enlarges, feet tearing up the ground below before they hit the base of another building and it crumbles over his feet like lego bricks. Yes, even Skarlath grows some more, although still remaining quite small and easily picked by either of the other two males.

Once the second growth transformation ends Roan is standing up looking down at at a five hundred metre drop. Artemis is not far behind the stallion as he stands up at four hundred and seventy metres, towering above almost everything else and being able to knock down many of the skyscrapers like pegs in the ground. They look at one another and start grinning profusely, but a tugging sensation on the equine's phallus reminds him about poor little Skarlath.

"Okay, seriously, why the hell is this happening?" the wolf demands as he is held up by Roan.

"It has to be the treatment, something has gone wrong." Artemis states the obvious whilst scraping off something crushed underneath one paw.

"No something has gone very right Artie. I think it is mainly with us, but it seems that our semen also affects Skarlath a little." Roan beams looking down at the lesser macro wolf and knows exactly what to do. "Lets fuck him at the same time."

"What?" Skarlath squeaks and suddenly feels very vulnerable.

"Double penetration?" Artemis inquires for clarification.

"Yeah, he can take it, might as well enjoy ourselves some more."

"Alright." Artemis smiles as he takes the little wolf out of Roan's hands and kisses his nose. "Don't worry, you'll love it."

Skarlath waves his arms around and squirms a little, but before his protests can change anyones mind he is brought down and placed, butt-first, onto the mega macro lion member. He howls out as the pointy tip spreads inside his anus, working past his tight sphincter as Artemis roars out in delight. Somehow his belly makes room for it as it works past his tailhole and the barbs pluck at his cheeks on the way inside. The wolf then finds his face heading towards the feline's ginormous furry balls, he reaches out and hugs them as he is forced into them.

"Oooh goodness." Artemis bites his lip, grunting as the tight tiny wolf squirms around his colossal cock.

"Flip him upright, it's my turn now." Roan hefts up his building-sized erection as a river of pre runs off it and drips from his balls causing massive splashed down below.

As Skarlath is twisted around the barbed feline rod he whimpers and then howls with an orgasm sweeping over his body and another load of wold seed comes hurtling out of his macrohood and splashing against the lion's crotch. He then feels Roan's mighty length pressing up against his butt and the warmth it is giving off in waves sweeps over his rear and across his back. Skarlath wags his tail happily and closes his eyes, the stallion pushes forward and it feels as though the relatively tiny lupine is going to be split apart by the dramatically larger males.

Roan grunts loudly, his tail thrashing about as he forces himself forward whilst holding Skarlath down. Eventually it fits with a loud pop sound, the broad head of the equine phallus rapidly filling the wolf out farther than he has ever been stretched before by his two lovers. Combined, Artemis and Roan hold Skarlath as they fuck him with a steady rhythm, double penetration causing more fluids than usually to escape from between the colossal pillars as it falls down in an almost majestic waterfall of male sex.

The lupine's eyes are becoming teary as he tries to hold on to consciousness, howling with his lovers as he comes again and again, spreading his seed all over himself and their crotches. Then the lion and stallion kiss each other, passionately, with tongues intertwining and one hand each coming around to hold the back of the other's head.

Finally, the climax comes, and by all that is hot and sticky does it cum. Banks burst and wells overflow as Skarlath gets the hot messy filling of a lifetime. His tummy bulges out as the warmth of both his lovers envelopes and consumes his senses from the inside out. Their cries reverberate across the cityscape, and even the crowds of fearing voyeurs go silent for it. The moans, howls, roars, and braying of passions are punctuated at the end by an almighty crashing of seed hitting the ground many feet below them. It spreads out, then forks off into separate streams as it washes people, vehicles and debris with it.

"I... I... love you guys." Skarlath manages to say before he passes out.