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How the Herd Spreads

Part 2

For Repanbo

By Draconicon

Draconicon knew that he should have done something as soon as he felt something was off in the skyscraper, but things were going off so often in his home that he just ignored it. Even when he felt the first shift, he had hoped that it was just another one of those experiments that Ellyra or Idesin ran in the labs at the foot of the tower, or some sort of sparring match between Fyacin and Zavis. He'd hoped that it was something minor that would sort itself out right up to the point where he realized that a hundred people had been transformed in the streets.

And now, he had a giant-sized naked Ellyra walking around the city, either posing to show off her pussy, or kneeling down and sitting on the 'face' of the city, grinding her butt into the buildings to show off her curves or worse.

He rubbed his forehead as he groaned under his breath, not sure how to feel about the latest shenanigans that were going on. The fact that he had to deal with all this now, put it all back to normal, meant that his day was basically shot, and -

And now Ellyra was hugging him. He assumed that it was the original one, considering how slight of hip and breast she was, but he could never be sure about that with this many copies running around. He sighed, reached back and patted her on the hip, and then froze, blinking as he felt something...wriggling...creeping along his shoulders and back and sides.

"...Ellyra?"

"Hush."

"Oh come on."

More of the nanites, he realized, but it was almost too late. They were pushing under her scales, wriggling into places that they shouldn't be allowed. They were digging into him, and if they got far enough, they would start -

"Nnngh!"

One had managed to get far enough down his body to start affecting his crotch, and his cock jumped almost immediately, feeling the nerves down there starting to react and fire and squirm. He groaned, stumbling away from the robocorn, shaking his head.

"Why?"

"You need to relax, master. You need to think like us."

Oh, she was going way into this now, he realized. She was so far in that there was no way to turn this off without knocking her out for a while. And now, she'd infected him with the same nanites that had affected everything else.

He could already feel a strange bubbliness working its way up his body, a sort of pleasure that translated to a raw happiness that refused to go away. It worked along his chest, and then up his neck, making its way under his scales as the blackness started to shift from hard little scales to softer fur. He grabbed for it, trying to peel it off, but it wasn't a second layer. It was actually what was replacing his scales, becoming his skin.

Fuck.

The dragon tried to cast his magic at the nanites, but they were already feeding on it, sliding around it, making it hard for him to focus on anything but the feeling of the transformation spreading through him. He groaned, he growled, and he even roared in frustration as he felt them creeping through him, over him, into him.

Further and further they went, and he felt them multiplying as they filled up different parts of his body. They were just behind his nipples now, starting to grow and spread and multiply, and his chest started expanding outwards, gaining little bumps that were slowly getting bigger, and bigger, and bigger.

He groaned as the weight of his chest quickly exceeded what Ellyra had to offer, and worse, felt other places starting to shrink.

The dragon pulled his robe off, looking down at his crotch. Rather than feeling his dick getting bigger, turning into some sort of horse cock or something like that, it was shrinking in, becoming smaller, more flaccid. Despite the sheer sensitivity that burned through the rod, he could feel it getting more and more puny. It was pulling right into his crotch, and he watched as the inches peeled away.

"Ellyra? Ellyra, come on. This isn't..."

She wasn't listening, he realized. The herd had come up to meet her, and most of them were rubbing at her, groping at her, feeling at her pussy and even fingering it as she watched him transform. She wasn't going to help, now. She was too lost in the feeling of being the herd-mistress, making sure that everyone was happy, spreading the herd to as many people as she could to make sure that they all got what they wanted, what she felt that they needed.

Including him.

He groaned, trying to push against the transformative nanites again, but every time that he thought that he had a grip on them, they found another way around the restrictions of his magic, another way to keep the transformation going. He could feel his horns starting to shrink in on the top of his head, his wings starting to retract. It wasn't an uncomfortable feeling, but it didn't exactly feel right, either.

Bit by bit, his dragonish features started disappearing, leaving him with less and less of what he had been. When his cock had finally shrunk down to nothing but the head, he was left with a throbbing clit that was just above a patch of nothingness...at least, at first.

Then he felt his scales, then furred flesh opening, that patch becoming a pussy, sliding open bit by little bit. It was so tight, so close together that he knew that it wasn't going to be easy to take the things that he was used to -

Used to? But he was...he was the master here...he didn't take...

Fuck, the mental part...

He gripped the sides of his head, fighting the nanites as they pushed at his thoughts, his memories, his experiences. They were trying to shove more and more Ellyra thoughts in there, thoughts of being on the bottom, thoughts of pushing her butt up, thoughts of using her long horse mouth to suck cock and rest between thighs and worship pussy.

The more that Draconicon thought the Ellyra thoughts, the more that his body continued to change. His pussy opened up a bit more, his breasts became heavier and thicker. They were not the Ellyra lightness, the softness, the smallness, but rather the heavy breasts of a thick-shouldered mare, the sort of working woman's breasts that were meant to feed the young and keep them moving. The changing dragon groaned, hands drawn to the breasts, giving them a squeeze -

"Mmmph!"

And now the images of using them to get cocks off, of pulling fat horse cocks between the new tits and jerking them off, getting them stiff and hard for her -

Yes, her. Not him anymore, but her. The feeling of pleasure was getting stronger the more that she embraced the feelings and needs of the herd, and she groaned as she felt her hands gripping her breasts that much more firmly, giving them a good squeeze, a good grope. They dented beneath her fingers, soft and smooth, with sensitive nipples that popped and showed themselves off with ease.

Groaning with pleasure, she thrust her hips forward as one of the other Ellyra clones stepped forward, thrusting her hips into that finger that slid inside of her. She was so tight, so unbearably tight, and she needed to find something to stretch her out.

As the black pseudo-fur of the robocorn spread over her body, giving her a mane of light on the back of her neck and a lovely pelt to the touch, she found herself wanting more and more to become a sensual horse. The feeling of the thick hips were already there, hips that the dragon had often been embarrassed by as a male, but now, as a horse, they were perfectly right. Thick hips for a thick ass.

She groaned as she grabbed her changing ass, feeling it grow and bubble out beneath her fingers. It was not Ellyra as she was supposed to be, but Ellyra transmitted to the dragon, taking on all the good things that the dragon had and making them properly pony.

Bubble, bubble, grow went that butt, including turning that tail into a proper series of strands, a proper horse tail rather than a reptilian bumpy thing. She moaned under her breath as her pucker pushed out between the cheeks, becoming a proper horse donut, giving her something to rub and -

"MMmph..."

Something to rub and something to be teased by some of the other horses, she realized. The other Ellyras were starting to go behind her, changing her, helping her embrace her new horse self by mlem-ing along her new butt. She moaned, pushing it out, leaning forward as her face started to stretch, becoming ever more like a horse's body.

As the one horn started to grow in at the center of her forehead, the part of the mind that was Draconicon was buried beneath the hive mind that was Ellyra. She did not mind. This was the right thing at the moment. It meant that there was nothing to stop the spread of the herd, and they could continue their fun.

Throughout the city of Maiyone, the nanite spread of the herd 'virus' was exponential in its increase. Down at the port, the nanites infested the sprayers and the waters, filtering through to get everything that lived there. Soon, in place of the orcas and the dolphins and the sharks that walked the streets down there, there were Ellyras, some with sharp teeth, others with a long tongue, and others with a blowhole on the back of their neck.

Down at the water, there were Mer-Ellyras, robocorns with tails that allowed them to swim fast and furious through the water like water ballerinas. More than one Ellyra started crying from how much they loved it, and others were there to comfort them, only to break down in the same way and cry in happiness and be comforted in turn.

The port didn't take long to be converted, and several large squids that were out in the bay were quick to start forming a guardian line around the port of the city, creating giant tentacled Ellyras that were half-kraken. They swam around, protecting the rest of the herd from anything that would come from the sea.

At the airport, electronics were going haywire. Everyone that touched them was 'infected' with the nanites, starting to turn into happy-go-lucky stewardesses, or into security guards that were very handsy with the people that were coming through, eager to drop to their knees to please those that were trying to get to their planes. More cocks were sucked, more pussies worshiped, more butts kissed in the next hour than had been in the last year in that airport.

Even the planes were getting changed. More than one grew a strange horn, turning into something that defied the base model of what it was supposed to be, but others were changing even more. Their wings stopped having the whole straight-wing model, and some started to look almost more like a Pegasus with their wings lifted up and high. Some even seemed to have the windows at the front of the plane turn into eyes, but surely that was just an illusion...right?

In the streets, cars were slowly turning into mobile Ellyra devices, becoming both transportation and encouragement, with holes in them for cock sucking, with the seats becoming handsy and massagy, and everything else becoming more and more focused on the happiness of the people that were within them. The cars spoke in happy little whinnies and whickers to their drivers and passengers, calming them and making them happy before converting them over to be more members of the herd.

In the shops, the shirts and blouses and everything else that were on display and for sale were quickly converted into horse harnesses, into bridles and reins, into the sort of hoof socks and horseshoes that were needed for a city that only had equines among it as their population. The nanites were working overtime, converting items as much as people, and some of them were reaching to the point where they would be able to convert reality.

Through it all, the Ellyras only grew happier, almost like they were caught in a feedback loop that was trying to take over the hive mind. The more that they changed, the happier they were, but the happier they were, the more comparatively unhappy the people around them seemed to be, and the more work that needed to be done. They had to save everyone, had to convert everyone to the happy hive mind, make sure that they were all able to feel good about themselves and their lives together.

Bit by bit, the city started to fall under the control of the Herd Hive Mind, or the HHM for short. Ellyra HHM, thank you very much, as some of the herd was wont to say when they started describing it to each other.

It didn't hurt that there was a giant Kaiju version of Ellyra walking around, too, the once-skyscraper moving from one neighborhood to another. She would kneel down, then squat, showing off her holes to everyone below. She would spread her pussy lips, rub herself until she was wet, and then put on a storm of juices and nanites for everyone below. Sometimes, the buildings themselves started to get corrupted, turning into mini-macro Ellyras, standing anywhere from twenty feet in height to eighty, but with the giant one still topping them by many, many dozens of feet.

It was an invasion of the horse-kind, spreading throughout the city, and there were few that had managed to get away. Among them were the security team of the tower, the German Shepherd Veronica and her living goo friend, Gemini. They had managed to escape to the outskirts of the city, and were performing an evacuation, as well as maintaining a command post that would inform others to stay away from the city.

There was also something else being done, a different line of communication that was being built up. It was sheltered from the general scans that the Ellyras were putting out, so there was no way for them to know what was being said, but if Veronica was right, then she was making contact with the one person that might be able to short-circuit this before it spread through the rest of the world.

The day wore on, and soon, it was nearly sunset. The herd had managed to convert over 80% of the city to their side, and the Ellyra HHM was running strong. Everyone was feeling happy, and the little orgies that formed of mini-herds within the hive mind made sure that everyone was feeling the pleasure of being the happy little robocorn that they were.

On the shoulders of the macro Ellyra, Original-Ellyra, Yana-Ellyra, Fyacin-Ellyra, Zavis-Ellyra, and Havok-Ellyra were all watching their former master dance for them.

Draconicon-Ellyra had been the one to gain the biggest hips of the group, and unlike some of the others, had not maintained any sort of masculinity to her new body. The black unicorn danced, swaying her hips, shaking her ass whenever she turned around to face them. The entire mini-herd was rapt with attention, staring at that big black ass, watching as that donut flexed and squeezed for them.

Zavis-Ellyra tried to get up, to show his appreciation, but Fyacin-Ellyra and Yana-Ellyra pulled him back down. He was still on break, and if he was going to be pleased, then he would be pleased by others, not by showing off and taking charge again.

As the dance continued with Draconicon-Ellyra dropping down into a squat and shaking her ass, twerking it hard, the original looked out over the city. It was a vastly different place than it had been that morning, with few homes still standing. The whole place had become more of a giant park, a park that was split between different parts of the herd as different living quarters, different places that they could settle and take up comfortable living zones. She liked the way that it looked, but something felt...off.

She didn't know what it was, but she wanted to change things again, to make it something different. Unfortunately, even with all the Ellyras out there, they had all but run out of nanites. They barely had enough to maintain the changes that had occurred, though they'd have made some more by morning. She knew that she had time, knew that she'd be able to keep this up, to continue to spread the different members of the herd further through the city and out into the world beyond it, but...

But something felt off. Something felt wrong.

Original-Ellyra turned from the twerking show, looking down at the city, staring at it. Despite the fact that everyone was her, she still felt like there was unhappiness out there, something that was buried. She knew that this was supposed to be just a short transformation, that people should have turned back after an hour or so, that something was malfunctioning, but...

But that didn't mean that she'd messed up, did it?

A little shiver ran down her spine at the thought of that, not wanting to think of it as a possibility. She wanted to be a good girl, just doing the things that made people happy, not doing the stuff that would make them sad. She knew that she was happy, could choose to be happy easier than most, so why wouldn't people want to enjoy that?

Why wouldn't people want to be a happy little robocorn?

She was happy...she was...she just...had other things going on...

As she started to sink, suddenly, all the unicorns that were at the feet of the macro Ellyra looked up at her. They grinned wildly, smiling at her, showing her how happy they were. Even the other members of the harem did, moving over to hug her, to nuzzle her. She hugged them back, even as she couldn't shake the feeling that maybe she'd gone too far.

No, no, she hadn't...

Had she?

The night passed, and morning came. The herd started waking up, moaning, groaning, licking their lips and yawning away the night. Some of them stretched out on the fields below, and others stood up on the shoulders of the mega-Ellyras that were slowly waking up. Everyone was feeling good...

Except for the original. She had honestly thought that she'd wake up and everyone would be back to normal, that the nanites would have worn themselves out. She was surprised to find that everyone was still a version of her, from the wide-hipped ones to the big-dicked ones to the big-boobed ones. They were all still there, all still showing that they were exactly like her.

She didn't know how to feel about that. She had always been the special robocorn, the one that was adorable and sweet and perfectly nice to others. Now, she was no longer one in a million, but one of a million.

It didn't feel right. Not right at all.

She wiggled herself down the mega-Ellyra, and then looked at the horizon. She could feel unhappiness out there, something that needed to be changed, and she knew that it would pull at her until she did something about it. Sighing, the original -

Wait.

She blinked, looking around. Her scanners were picking up something else, something moving towards the city at high speed. It was far off, still, but it was closing fast, clearing the distance between the far-off waves and the city port faster than any boat could do, and faster than most planes.

The kraken-Ellyras rose from the depths, pulling their makeshift tridents with them. At the airport, the Pegasus planes started taking off, flapping their mechanical wings as they took to the sky.

The other Ellyras on the ground started getting up, the smaller megas climbing into the hands of the bigger ones as they all looked around for the source of the disruption, to see what was coming their way, to see what was causing this strange feeling for the Ellyra HHM.

Finally, they saw it. There was a dot on the horizon, something coming in from the south. It was flying low, pressed down to barely feet over the waves, but it was displacing the water to an insane degree, like there were twin tsunamis that were flying out from either side of the low-flying plane. A giant circle of air pressure flew behind it, and the Ellyras realized that it had to be flying at many times the speed of sound to create that sort of effect.

About two hundred meters before the circle created by the Ellyra krakens, it pulled up, shooting straight into the air. The sonic boom that echoed from its engines knocked the krakens back, displacing them, but more than that, something had been left behind. The Ellyra HHM had only a second or two to register what had happened before the krakens went dark, sinking beneath the waves as if they'd been completely yanked out of the hive mind.

Original-Ellyra blinked in shock and a bit of terror, feeling like something had been ripped out of her. She didn't have time to think, as the living planes went up to try and stop the newcomer. They twisted and turned, trying to seize it and inject it with the nanites that they carried, but the other plane was too fast. It shot between the gaps between the planes, and it pulsed every time it did. With each pulse, more of the Ellyra planes went dark, plummeting to the ground without passengers onboard.

What's going on? was the common question going through the Ellyra HHM. They could only see the plane flying around, watching it as it shot over the city again and again at impossible speeds. It swept to the side, charging the mega-Ellyras before they could throw the smaller ones, and -

Pulse.

This time, it happened close enough for them to see. The mega-Ellyra that was hit with the pulse went dark on the Ellyra HHM, and then, it changed. The horse-shape faded away, and it was frozen in the shape of an apartment building again, leaving behind an intricately-made, almost living shape of architecture on the fields of the once-city.

My herd? Why? Why?

Ellyra was too busy asking the question to stop it as the plane pulled an impossible flip and came back towards the center of the city, pulsing regularly as it went. The Ellyras on the street level were changing back, the plane putting out a signal that short-circuited the nanites, and without them constantly maintaining the transformation and connection, the people affected were turned back to what they had originally been.

Ellyra was so flabbergasted by what she was seeing that she couldn't take control of the Ellyra HHM and start fighting back, though even if she could, she wasn't sure what she would have done. The nanites had given people copies of her body, but the weaponry that she carried that might have been capable of shooting down the strange plane was all down to her. All she could have done with the herd was use them as targeting methods, using their eyes to track the plane as it darted about the city so that she was never blind to it.

As it came her way, she wasn't even sure if she was angry or happy. Angry that it was taking away her herd, or happy that it was taking the confusion and the wrongness of the situation away.

When it pulsed at the feet of the Kaiju Ellyra, she just embraced the pulse and let it knock her out, figuring that she'd understand when she rebooted.

She rebooted remarkably fast, but the city had already gone through a lot of transformation in the meantime. Maiyone had been half-turned back to what it had been, and judging by the sun in the sky, she'd only been out for about an hour.

The robocorn sat up, realized that she was in a medical room or lab, something like that. She started to slide off the exam table -

POOMF!

Only for her leg to bounce off a force field. She blinked, poking it a few times -

"I wouldn't do that."

Russian. That meant Tatyana. She turned around, finding the grumpy cat beyond her, the feline's back to her. The robocorn grinned, sitting up and folding her legs under her, her hooves on top of her knees.

"Tatty!"

"...Please don't call me that."

"Come on. It's me. I get special privileges."

"Not for a while."

"What do you mean?"

"I think your master is a bit annoyed."

"Why - oh."

Some of the stuff that had happened during the whole herd incident started flooding down her memory circuits, reminding her of everything that had happened between the start of it and the end. Now that she wasn't quite so hopped up on caffeine and excitement, she was starting to see how it had gotten out of hand.

She rubbed the back of her head in embarrassment, realizing that she'd definitely let it go too far once she'd seen that the whole transformation effect lasted longer than an hour. As soon as she'd figured that out, she should have called a complete halt to the fun, but instead, she'd pushed it further. One good transformation deserved another, after all...

And having her master twerk...

"Yeah, he's gonna get me for that..."

"Yes, yes, he is."

"Come on, Tatyana. Nobody got hurt."

"And that was by complete accident."

Ellyra opened her mouth to argue -

"Giant stompers. Krakens. Intelligent planes. Forced transformation. Mind overwrite. Identity suppression."

The tigress listed the different things, and the robocorn shut her mouth again. There were...points there, even if she didn't want to admit them. She had been completely in control of the first three...though even she would admit that she had been distracted more than once, letting them do what they wanted. The Ellyra HHM had been more self-managing rather than her-managing for most of its existence, much as she didn't want to admit it. Even her processors had limits to what they could deal with.

If they hadn't been as nice as they were, if they had gotten more out of control, then the herd could have become something very hellish rather than something so fun-loving and nice. She didn't want to think about that, either.

"So, what now?"

"Your master's rebuilding the city from the ground-up. Veronica is with him, installing anti-virals and firewalls to the different buildings so we don't have the same problem later," the tigress said. "I'm here to make sure that you're flushed out."

"Flushed out?"

"Flushed out."

Click.

The tigress pushed a button, and suddenly Ellyra felt a sweeping rush of electricity and programming through her. The electricity sent a weird physical sensation through her body, like it was hyper-sensitizing the nerve signals that were running through her frame, and that was enough to get her shivering, even moaning, the robocorn embracing the imitations of organic life as she was teased.

The programming, on the other hand, was like a wave running through her, chilling her, cooling her off again. Wherever it touched, it seemed to freeze some things and remove others, combing through her and taking things with it as it went.

She belatedly realized that there was a cord plugged into the tip of her right hoof, and she felt the 'flushing' of whatever the combing program was looking for as it pulled all that information out of her. It was transmitted down the wire to the main computer, and Ellyra cocked her head to the side as she looked past the tigress to the screen on the far side.

What she saw was...surprising.

"That...that was in me?" she asked, pointing at the output.

"Yes. Minor corruption of code, but with major results."

Ellyra would completely agree. The whole point of the nanite application had been to inject a sort of happiness into those that had transformed into her, imitating the bubbly nature that she had. It had worked for the herd, but there had been a drawback, particularly as she had stored the nanites responsible for it inside of her.

At some point, some of the bubbly code had gotten into her programming, too, and it had forced her into a greater and greater state of mania. Her manic side had been amped up to the nth degree, and more than that, had been set into a feedback loop, boosting itself whenever another transformation had occurred, forming an addictive behavior for the robocorn.

All the caffeine hadn't helped, either, keeping her too hyper to notice what was happening to her until it was too late to do anything about it. She groaned, rubbing her forehead.

"Thanks for saving me from that, Tatty."

"Tatyana."

"Come ooooon."

Bzzzt.

"GAH!" The robocorn went from sitting to posing like a crab as the table zapped her butt. "Meanie."

"No Tatty, no zappy."

"...Fine."

"Good."

"But still, thanks. I didn't mean to...you know...go so out of control."

"Yes, I know," the tigress said, typing on her keyboard. "That's why I came as quick as I did."

"You were on that plane?"

"Yes."

"You were piloting it?"

"Nooooo, I am not a pilot," she said, shaking her head. "Designed an AI for that. Better at it than most."

"Where'd you get the data?"

"Flight simulator streams. Many, many, many streams since the quarantine."

"Oh, right."

Ellyra nodded to herself. That made sense...kinda.

She shifted a bit, trying to get comfortable on the exam table as she felt a few more tingles of programming and search bots going through her system. She lowered her inner shields as much as she could to allow it, knowing that she had made a mistake and wanting to make sure that she didn't make another one.

"Nobody's angry at me...right?"

"No. A bit frustrated, bit embarrassed, but nobody's angry."

"Good. Didn't want to hurt anyone."

"You didn't." Tatyana looked over her shoulder. "Maybe next time, listen to the scientist?"

"Yeah, yeah..."

"You're smart. Just sometimes need another eye."

"Or two."

"Or eight," Tatyana said, one of her spider-bots climbing onto the exam table. "I am leaving that one with you. Make sure to keep it around."

"Yayyy, new spider friend!"

The End