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How the Herd Spreads

Part 1

For Repanbo

By Draconicon

The nanites had finally been installed to the suits. Seemingly correctly, too, though Tatyana had her doubts about that as she watched the process through a series of webcams from her mountain holdout. Ellyra was dancing about the room, clicking her heels together and making happy faces at one camera after another, always blocking the least-worst angle when she did so as the tigress checked the read-outs. She shook her head as the Cyrillic characters passed over the screens.

"Seems to be holding stable," the white tigress said, shaking her head again. "Nothing's coming loose, at least. No readings of nanites changing the table."

"Told you I fixed them!" Ellyra crowed happily, still prancing about. "It's perfect. Just like me."

"Hmmph. Mostly perfect. Not tested yet, so won't know until after that."

"Oh come on, grumpy. It's perfect. You can see it."

The tigress could see a lot, including the fact that the nanites were still in the process of integrating with the various suits in Ellyra's lab. While there were none of the negative reactions that she'd seen in the previous experiments, she could tell that there was still the possibility of something going wrong. Certainly, they'd gone wrong at about this stage in her own experiments with nano technology.

Admittedly, those were far less advanced than Ellyra's nanites, but the point still stood.

As she tapped a few keys, Ellyra leaped out of the camera reach. Tatyana blinked for a moment as the unicorn turned into a black blur, and only after the unicorn disappeared did she notice that one of the suits had gone, too.

...Oh, dear...

She reached for a different keyboard, pulling up the phone. She'd better call the dragon and give him a warning that a science-mad robocorn was on the loose.

Before she could dial him, however, the other monitors and camera feeds started going crazy. Three of them popped out, short-circuiting, and one of them actually went dark completely before opening up again. The camera showed her the world through a rainbow-esque filter, and everything - even the floor - had a happiness meter next to it.

Tatyana opened, closed, and opened her mouth again, only to see a ping at the bottom of her screen. She didn't need to click to open it; it opened on its own.

Oh, wow. I'm a camera now. Ellyra the camera; that's awesome.

"...Oh, fuck..."

Oh, can I make this whole place an Ellyra? Giant Ellyra skyscraper - no, Ellyra Kaiju! Yeah! And what about the place connected to -

"Nope."

Tatyana cut the connection between her facility and the camera, and then she sent four spider-droids to cut the hard-lines that ran between the outside transmitter dishes and the inner systems. She could repair those later, but for now, she was not going to let that sort of hyper-enthusiasm infect her inner workings.

Sorry, Draconicon, but it seems as if you and your city are on your own...

The city of Maiyone had started out quiet, but things started to change around noon as the robocorn of its ruler's harem started dancing around the halls, carrying a latex suit in her hands. There was little to be done as she hummed and skipped and pranced around through the halls, as the various kobolds and monsters that called the place home knew. She was an unstoppable force of happiness that kept moving to the beat of her own drum, and that was that.

She was on the move, though, and she was quick to find one of her other harem mates. She knocked on the door of a certain lion, slipping in with a wide smile on her face.

As usual, Fyacin was leaning back in a lounge chair, his mane trailing down behind his head as a few lionesses groomed it. They scattered quickly as Ellyra entered the room, however, and were gone by the time that she'd peeled the diaphanous curtains out of her way towards the feline's inner sanctum. He looked up at her, cocking his head to the side for a moment before grinning.

"Ellyra, what a marvelous surprise. And what do you have there? Another suit for the cat?"

"Something like that. Look at it!"

She held it up, and indeed, it was something to behold. The suit itself was shimmering smooth, with black along most of the strange material and gray colors along the back of the neck. Here and there, bright colors could be seen, but perhaps the strangest parts were the tail in the back - an exact imitation of Ellyra's own tail - and the lights that would occasionally burst across the material.

"What is that?" the lion asked, the slender male sliding his legs off of his couch. "It's different from the last one."

"That's because it's meeeeeee."

She smiled and spun in place, and there were few that would be able to deny her adorableness at that moment. Fyacin, for all the world-weariness that he put on, could not keep a smile off his face.

"Yes, it's definitely you, but...really, what is it?"

"It's a jumpsuit fitted with special nanites. Come on, try it on for me."

"But what'll it -"

"It's a surprise, but I bet you anything that it'll get you laid with master!"

"..."

"Come oooooon."

"Alright, alright, fine," Fyacin said, running his fingers over his hips and removing his loincloth. "Pushy-corn."

"Lazy lion. Come on, strip, strip, strip!"

"Throw a few dollars my way, and I'll go faster."

Ellyra grumped, but didn't say anything further as the feline slowly pulled his layers of clothes off. It was quite a delay, considering that the hedonistic lion had layered himself with transparent slip after transparent strip of silk, and it was like unwrapping a cocoon to get him completely clear of it. She tapped her hoof impatiently, but he only continued to take his time. If anything, he went slower.

When he was finally free and naked, she all but threw the suit at him, bowling him over and back onto the couch. With an oof and a groan, the lion managed to sit up again, but she was already whistling innocently.

"...Like anyone would believe that," he said, nodding at her before unzipping the back of the suit. "Anyway, what's this going to do besides look sexy?"

"You'll seeeeeeeee. Put it on put it on put it on."

The eagerness of the robocorn was catching, and it didn't take long for Fyacin to slide his legs into the suit, and then drag it over the rest of his body. It was surprisingly smooth on the inside as well as the outside, and there was far less friction than he expected, almost as if it had been greased on the inside. Yet, without the slippery stuff to make it slide, he wondered how that had happened.

As he reached for the zipper, however, it started going up on its own. He froze for a moment, then fixed the robocorn with a stare.

"Ellyraaaaaaa."

"Come on, it's fun!"

"You're hyper today. What did you do?"

"Oh, um, just might be a bit, uh, manic from making so many nanites. Had to have a lot of energy drinks," she admitted.

"Nanites? For - MMPH!"

The tail proved its point as it rammed into the lion's hole from inside the suit, spreading him open and leaving him stretched. The metal plug pushed ever deeper, and the lion's eyes bugged out as his cock suddenly pushed forward in the front of the suit.

Ellyra was hopping up and down on her little hooves as the suit took effect, the latex-like material at the neck starting to spread upwards while the plug started to let out various little nanite bursts, spreading through the lion's interior. The bulge of his cock immediately started to disappear, almost as if it was shrinking away, while the latex that spread up his face started warping the shape of his muzzle, dragging it in a bit before starting to extend it longer.

Upon his forehead, a bump started to grow. As his mane disappeared, a light strip sprouted along the back of his neck, running along the back of his spine as his head grew out a bit further from his body. A longer, horse-like neck filled out, as did the horn from the bump that had already appeared.

"Ooooh, it's working. The Ellyra Suit, Mark 4. Why be you when you can be me?"

"Mmmph!"

"Don't worry. Your mouth will work again soon. Then it'll be me talking, but that's alright. It's just going to last for an hour...hopefully."

The lion squirmed and struggled, one hand trying and failing to pull out the tail plug, the other trying to find the zipper on the back of the suit. Neither worked, of course; there was nothing left to find, the zipper having disappeared for the extent of the transformation. As Fyacin stumbled about, almost falling over the lounge chair, Ellyra moved forward to grab him by the hips. He tried to grab her, but the suit suddenly stiffened.

"That's it. Let the nanites work." Ellyra kissed his neck and giggled. "Soon, you'll be me, me, me..."

The suit was fast to work, spreading over the lion from his head to his toes. Not that he was much of a he, anymore. The nanites of the suit had already corrected for that, pulling his cock in and sticking it somewhere out of the way, somewhere where it wouldn't get in the way of all the fun that the Ellyras were going to have together. She ran her hand down her friend's stomach, feeling where it had been, and giggled as she reached down a bit further, the latex opening up to reveal something new.

Not that Fyacin had ever had those holes before, but now the lion - lioness - robocorn in the making did. Of course, Fyacin-Ellyra's holes were more bestial than hers were, considering that he'd started off with more animal parts than she had, but it was still nice, a thick pair of pussy lips, plump and squeezing as she rubbed her fingers against them, and a donut of a pucker that was only getting more and more eager.

After all, the master liked his hoss butts, so she planned on giving everyone a nice big one, even bigger than her own one. The nanites were programmed to go big or go home.

Of course, there were still differences, differences that fascinated the original. As Fyacin-Ellyra came into being, she maintained some of the muscularity that the slender lion had had. There were still lines of power in those arms and legs, and she could see that her herd-mate's back was still nicely muscled near the shoulders. While her ass was definitely bigger, the new Ellyra had maintained some of the features from before.

Finally, the new Fyacin-Ellyra turned around, eyes opening and lights flickering behind them. The horse muzzle split, and the new robocorn's horn blinked to life.

"Hello, Ellyra," the original said.

"Hello, hello, Ellyra."

"Hoi?"

"Hoi!"

"Friend!"

They grabbed each other with wide grins, bouncing together, boobs grinding for a moment before they pulled apart. They both had the same thought - but then again, how could they not, being copies of each other? They knew exactly what they needed, what they wanted, and they knew exactly how to get it.

The two of them split, each of them heading via different routes back to the lab. Hopefully, they would get there before the master realized what they were doing and what they were planning.

They opened the doors to the lab to find that someone else had gotten there first. Thankfully, the giant Ellyra faces on the floor and ceiling had already trapped the intruder, a certain draxololt by the name of Yana. The pink, almost salamander-like woman was strung up between different wires that had been formed into restraining cords, held in place as she was in the process of being stripped of everything.

"What the - now there's more of you?!" Yana shouted as she hung by her wrists, kicking randomly as other wires came up from the floor to try and tickle her. "What's going on?"

"Oh, it's very simple," the original Ellyra said.

"We're just making more of us," Fyacin-Ellyra said, swaying her bigger hips and rump. "Don't you want to join?"

"M-more of you? What, like a herd?"

"Yes! That's perfect!" the original said. "Thank you. Just for that, I bet you'd look great with a big fat stallion cock to go with your even bigger curves."

"Wait, I didn't say yes!"

The Ellyras paid her no mind, humming to themselves as they lunged for the remaining suits that were displayed off on the side of the room. They picked through one or two while the Ellyras in the floor and ceiling giggled and laughed and teased the helpless little draxolotl between them, going so far as to occasionally give her a little zap between the thighs to keep her nice and excited.

After all, Yana had quite a bit to show off. Not as much as the goo-phon Zaza that still came around from time to time, but still a decent bit. A pink cock rose between her legs, one that was stiff as all hell as she was swung back and forth.

The two Ellyras finally settled on one of the roomier suits, directing the nanites to open a little slit in the front for that dick. As soon as it was done, they ran back to Yana, pulling the suit open in the back and holding the suit under the suspended draxolotl. She swung back and forth, her legs almost falling into the suit as the wires pulled her about.

"And drop her, Ellyra!"

"Okay!" the ceiling said.

And just like that, the pink girl fell right into the suit. Fyacin-Ellyra grabbed the back of it, pulling it up her arms, while the original Ellyra just hugged her tight, grinning wide.

"You're going to love being me."

"But - you - how?"

"Because I'm awesome. And I got help from the grumpy cat."

"Oh, great..."

This time, the transformation started as soon as the zipper went up, the blackness spreading up and along the back of Yana's neck. She grabbed for it, yelping in surprise, but the way that her cock went up almost immediately confirmed to both Ellyras that she really wanted this. They grinned, holding hands as the draxolotl tried to figure out what was going on, going so far as to grope her chest, her ass, everything that was exposed.

"How is this...this...mmmph..."

Yana gripped the sides of her head, and Ellyra nodded.

"Yes, that's us. Come on. Let us in. You'll have much more fun when you're part of the herd..."

"Mmph...ah...ah..."

The nanites were already working quickly, not just transforming Yana's body, but also putting the initial parts of the herd-mind into her. The overall Ellyra mind was becoming more and more widespread, based in more and more people and objects. Like a benevolent virus, it was spreading through the skyscraper, touching on cameras and computers and everything that it could get its hooves on.

More than just the harem members were being converted. There were kobolds that were turning into little Ellyras, and big giant giraffes that were turning into long-necked Ellyras. For that matter, she was pretty sure that there was an elevator-monster that was getting turned into a big-horned, big-mouthed Ellyra, too.

The more that it spread, the more that the herd saw, and the more that Yana would be able to see, too. She groaned, leaning back against one of the experiment tables, her hips thrust forward. As her ass started to inflate, the nanites filling her out - followed by a yelp of the plug going up her ass - the latex around her cock started to change, too.

The suit had been modified to allow her cock to be outside, but Yana was rapidly getting something bigger, more special than the shaft that she'd been showing off since being stripped. That pink dick was slowly getting molded into something bigger, something better, harder, stiffer.

"Grow, grow, grow!" Original-Ellyra and Fyacin-Ellyra chanted as Yana's cock continued to expand, growing outwards by the inch.

The draxolotl struggled to keep her head on straight, staring down at her dick and then up at them. Her head was increasingly swarmed with the black goo, feeling it spreading along her chin and up around the sides of her muzzle. Her ears were already covered, cutting out most of the sound other than the chant, and her head...

Her head was filled with the whispers of the herd, of the happy, encouraging thoughts of the over-Ellyra. The fact that everyone could be happy, that they could choose to make things better, that they could choose to be happy and better and everything and -

"Ah...ah..."

And be happy and horny, yes, horny like good ponies. Horny like any pony with an empty hole and a waiting pole should be.

Yana gasped as she thrust her hips, no longer able to see, but able to see through the eyes of the other two Ellyras. She could see herself, see the throbbing, growing cock between her legs gradually warping into a horse-cock. The tip grew a flare, spreading wide, and the urethra opened up, becoming thick and easy for drippings to slide from. She gasped again, hunching her hips, unable to stop herself.

Then, the goo covered her completely, and Yana became something else.

She opened her eyes, the room changed, the floor and ceiling and the other Ellyras no longer strange.

She was not Yana. She was Yana-Ellyra, another happy member of the herd.

The three mobile Ellyras came together, leaning in so that their horns were all touching. They were all Ellyra, all the happy-go-lucky robocorn that was eager to see everyone as happy as they were. Something...had gone a bit off, yes, as this sort of transformation wasn't quite what they were thinking of, and the rooms obviously hadn't been supposed to change, but that was fine. They would figure that out as time went on.

Besides, there were other people to convert, too. Zavis, for one, putting that silly snake on the rest and relaxation path that he so desperately needed, as well as Zaza when they could find her. They could put the suits on Havok and Idesin, too, get them all nice and situated with horse hips, horse butt, horse cock.

One of them - they weren't sure which - wondered if the others would keep their feet, if they would be strange horses like the drones that Original-Ellyra had put together a while ago. Others wondered if they should start going out into the city, converting the other people out there so that they could have a mega herd.

That got the attention of all three of them, and they laughed, clapping their hands.

"Oh, whoever thought of that, you are briiiiiilliaaaaaaant," Fyacin-Ellyra said in a sing-song voice, bouncing up and down enough to make her tits jiggle a bit. "Oh, Master's going to have such a shock when he looks out the window and sees all the horses."

"Yeah, he loves us," Yana-Ellyra said. "I never realized just how much until now."

"Yep," Original-Ellyra said. "He always said horse butts were his favorite. Now, you see?"

They did, as would every other Ellyra that they managed to recruit. They would all see what the master wanted, and when they all understood, they could all give it to him and make him happy.

And if he didn't get happy from that, he could get happy from being one of them, too. The herd always had room for one more.

As they were smiling at the idea, the lab suddenly shook. The other two Ellyras jerked back a bit, but the original smiled.

"Oh, good. We're almost ready."

"What - oh. Oh, wow," Yana-Ellyra said.

"Yeah. Wow. I didn't know you were into macro," Fyacin-Ellyra added.

"I'm not, but it's the best way to spread this all over the city. Once it's all transformed, we'll send Kaiju Ellyra all over the place, turning entire neighborhoods into more of the herd. Mwa-ha-ha-ha-ha!"

"..."

"..."

"Yeah, I don't know where the laugh came from, either," she admitted, shaking her head and clearing her throat. "Anyway, let's find more people. Who wants who?"

"I'll take Zaza," Yana-Ellyra said. "I know her best and I know exactly how to tempt her into the suit."

"And you'll get another one with a horse cock?" Fyacin-Ellyra asked.

If it was possible for Yana-Ellyra to blush, she certainly would have. As it was, there were a few limits to the nanites, still, and that was one feature that didn't show through from the flesh below. The Ellyra Hive Mind was running strong, though, and they all felt it. They giggled, even Yana-Ellyra, and then waved her off as she ran off with one of the suits, her horse cock wagging as she went.

"What about you?" the original asked.

"Oh, I think I'll take Zavis. He's always working so hard, and he needs someone to make him take a day off."

"But will he?"

"He will if I sit on him!"

"You're lighter than me."

"But I have a bigger butt."

"Oh, good point." Original-Ellyra leaned in, giving the former cat a kiss on the cheek. "Good luck."

As the big-bootied lion darted off, that left the original with the lab, the various faces of herself around her, and a few more suits that were ready to be used for conversion. She picked up the three that were left, considered her options, and then grinned a little ferally at the thought of what she was about to do.

Oh, Master was going to love this...

"One, two, skip a few, ninety-nine, one-hundred!"

Ellyra grinned as she looked at the mass of Ellyras that were spread out before her. An entire apartment block converted over to her look, with a hundred glowing horns, a hundred lovely faces, a hundred happy smiles. There were some that had a horse cock, some that had a cute little pussy, some that had a bestial puffy pussy, many that had fat asses, some that had smaller ones. But all of them maintained her upper half, all of them with smaller breasts and a cute, slender pair of shoulders.

The black robocorn smiled, her emotions flickering through the rainbow via the light strip on the back of her neck and running up to her head. The feeling of contentment that came from seeing so much of the city already transformed into her was a beautiful feeling, and she wanted more of that. She wanted to see more people happy.

Through the hive mind, she could feel the other Ellyras emerging. She could feel the muscular power of Zavis the snake being turned into a more masculine pony, and she could feel Havok, soft Havok, becoming a more feminine stallion, one with itsy bitsy balls but plenty of cock to show.

Giggling to herself, she leaned out and hugged every single one of her new pony friends, welcoming them into the herd and making sure that they all knew that they were valuable and loved and wanted. They were beautiful creatures, one and all, and so perky and pretty and oh so sexy.

More than once she was groped in return, and she didn't mind that, either. She liked the feeling of hands on her, of people feeling her up, of wanting it. It made her all the happier.

She was halfway through the crowd when she heard the sound of something flapping in the air above her. Ellyra grinned, hoping that it was who she thought it was, and she looked through the eyes of one of the other Ellyras.

It was.

Floating above them was the master of the harem, master of the city, and master of her, the great black dragon Draconicon. His scales were somehow a darker shade than the black robe that he wore, and his eyes were flickering white pools of power and hypnosis. Not that that worked on her when she was a robocorn, but it was nonetheless lovely. She smiled as she gave her herd one more hug, then turned to look at him herself as he came in for a landing.

As the black dragon thumped onto the street, the rest of the apartment building's population - all Ellyras, now - turned around and displayed their backsides to him. The dragon paused, staring at all the horse butt, and the original Ellyra took that moment to turn and gesture at them, modeling them with her hands almost like a car salesman might gesture at his lot of product.

"See, Master? How's this for a gift?"

"It's definitely...different."

"I know! It's all me, but all different sorts. Big butts, small butts, tight holes, loose holes, and see?"

She grabbed one of the stallion Ellyras from the front line, pulling at his ankle until his foot lifted from the ground.

"See? Some of them have feet instead of hooves."

"Ellyra -"

"I know, I know, it's a lot of hard work, but it makes people happy. I bet it makes you really happy to see such big round booty."

"It's...definitely sexy, but Ellyra -"

"Oh, maybe you want horse cock this time, instead? I mean, I can't shapeshift to that right now, but -"

"Ellyra." The dragon finally grabbed her by the shoulder, giving her a gentle shake. It wasn't much, but it was enough to get her to stop talking at full speed. She blinked, staring up at her master.

"What?"

"How long until they change back?"

"..."

"They will change back, right?"

"Well...I mean..."

That wasn't part of the plan. She had been making everyone happy, and this was starting to make her feel a bit unhappy. The other Ellyras were picking up on that, too, and they were getting back to their feet, turning around and meeting the dragon's eyes, as well. He turned to look at them, then back at the original.

"Oh, geez. This is the Happiness Patrol, isn't it?"

"Well, um, not exactly," Ellyra admitted. "But come on, it's going to be fun. You can enjoy all kinds of Ellyras. And I'm one of your favorites, come on."

"Yeah, but -"

"See? No problem."

"I think there's still kind of a problem."

"Not enough to be worried about. Now. Come on. Pick your favorite horse butt for fun. You deserve a break, too."

She wanted to make him happy, just as much as she wanted to make everyone else happy. That said, she knew that he was concerned about her, worried that there was something else under the surface, but there wasn't. This time, it was just a whole lot of caffeine and a whole lot of silly-happy that needed an outlet.

Just as the dragon opened his mouth, there was a cracking sound that went through the earth followed by a great shake. Ellyra stumbled, almost falling over before her master caught her, but some of the other Ellyras were not quite so fortunate. She and the master turned to the source of the sound, and the pair of them went wide-eyed at what they saw.

The master's skyscraper had been connected to the rest of the city by various ropes and chains that extended from the tower all the way to the different districts of Maiyone. Until that point, they had looked like leashes that the tower held over the various cities. Now, with a giant robocorn sitting where the skyscraper had been, it looked more like she was leashed to the ground, her giant legs pushing down the street, a large, soft, but giant foot coming right their way.

Her master threw up his hands in a shield, a barrier spell flying from his fingers to block the foot from crushing them. It worked, but the Kaiju Ellyra only used it to get to her feet, standing up and showing off her naked body for the entire city to see. Literally, the entire city, since she was as tall as the skyscraper had been, and that had been the biggest building in Maiyone until that point.

As the great Kaiju Ellyra began its walk through the city, Draconicon looked back at the original. He turned back to the Kaiju, then back to her again. Then, finally, he threw his hands in the air in sheer befuddlement.

"How?"

"How what, Master?"

"Just...how?" he asked, pointing after the giant robocorn. "This is the sort of bullshit that my sister would do, and you just casually...How?!"

"Um...well...Tatyana helped..."

"Of course she did..."

Ellyra didn't like how she was feeling. This was supposed to be fun, and her master was looking tired, annoyed, even frustrated. She didn't want him to feel like that. She wanted him to feel happy, so that they could all be happy together. She thought big butts, big feet, plenty of Ellyra would be a good step towards it.

But maybe he needed to join the herd for a while instead of being above it. Maybe he needed to be like her, too.

She gently hugged him, and as she did, she started letting the nanites out. She was getting tired, but she had enough for this...and he hadn't even noticed that she was doing it, at least not just yet.

The End