Decoy

It spent the next day digging trenches in a sprawling sandstone outcropping, which was something that the base maulwurf form was perfectly suited to. A lot less taxing physically, replaced instead by the tedium of slowly, carefully scraping tiny bits of off the sides until the trench was close enough to perfect to satisfy the unicorn walking alongside supervising.
It eventually got bored enough to start playing with the maulwurf’s mouth and vocal cords until it could talk. “What is this trench for, anyway?”

“It’s part of the perimeter,” the unicorn replied. “You missed a bit here.” His horn lit, illuminating the offending protrusion.

Decoy turned and carefully scraped it level with the rest of the trench wall. “Perimeter of what?”

“Just concentrate on your work,” the unicorn said.

Decoy did its best.

Eventually the bell rang to signal the lunch break. Decoy shifted back into its normal shape and flew up out of the ditch. “Want a lift?” it offered, hovering near the unicorn. “It’s a long walk back to the mess hall.”

“We’ve got time,” the pony replied. Which was true enough – the company was generous with its break times.

A familiar mare intercepted them about halfway back, however, somehow managing to gallop over the loose sand. She skidded to a halt, grinning, and as the plume kicked up in her wake settled to the ground with a soft hiss, she dropped the basked she’d been carrying and shook out her curly mane. “Miss me?”

The unicorn smiled at her, and conjured a small picnic table out of thin air. Decoy gingerly took a seat, poking at the weird material with a hoof.

The mare tossed the basket onto the table, and started setting out the food. “Every time I see you do that, I wish that I was born a unicorn.”

“It’s not that hard of a spell,” he said, blushing a bit and sitting down across from her, next to Decoy.

“I know!” she said. “I could totally learn it, if I was a unicorn.”

“It’s pretty handy,” Decoy said, wondering if it should have spent more time learning unicorn magic.

She stuck her tongue out at it. “Oh please, you can have magic whenever you want!”

“Changeling magic is a bit different,” it said.

“You could make a table out of slime?” the unicorn suggested.

“That’s not –” Decoy started, then shrugged. “I guess I could.”

“How are you and Dee getting along?” the mare asked. “We’re bunkmates now.”

The unicorn nodded. “She takes direction well enough,” he said. “You have to share a room now?”

“Ugh, don’t remind me,” she said, making a face. “I knew it was coming, though, what with all the new workers coming in. Do you still have your private room?”

“So far,” he said.

There was a bit of silence as the three of them munched on their mushroom patties. They were a bit dry, but well-spiced, and the odd fruit juice that came with them was refreshing enough.

“Did I tell you?” the mare said. “I signed up for the sex work.”

“Seriously?” the unicorn asked.

She lowered her eyelids and nodded. “I hear most of the ‘visiting officials’ give really good… tips.” She giggled.

The unicorn kept a straight face, as he said, “Well, if you want some tips, you know my door is always open.”

“Mmm, so is mine,” she replied, shimmying a bit in her seat.

Decoy watched them flirt, nibbling on another patty. It wasn’t an expert on pony relationships, but it suspected that it was supposed to be getting jealous. In reality, it felt more relieved that its new friend had other outlets. It vaguely wondered if she was setting them up for a threesome.

It didn’t say anything, though. This wasn’t its conversation.

“I don’t have anything planned after work –” the unicorn started.

“Sorreee,” the mare sing-songed. “I’ve got my first extra shift tonight. Charity came by to let me know a couple hours ago.”

“Uh huh,” the unicorn said, chuckling.

“A delegation from Saddle Arabia.” She shivered. “Have you seen how big they grow them there?”

The unicorn winced. “Try not to die.”

“Don’t worry, I’ll give you allll the details!”

He wrinkled his nose. “Please don’t.”

“I’d like to hear them,” Decoy said, wiping off its mouth with the back of a hoof. “I might need to service them at some point.”

“They’re probably saving you for the Abyssinians,” she said. “Or maybe the landsharks. But don’t worry, I’ll tell you everything!” She leaned over the table, and gave it a kiss on the cheek, then started shoving the trash and leftovers back into the basket. “I’d better head back.”

The unicorn had to prod Decoy a couple of times to stop it from staring after where she’d disappeared.

“I don’t understand her,” it said.

“I don’t think anypony understands her,” the unicorn said. “All you can do is hold on for the ride. Have the two of you… done it?”

“I’m not sure,” it replied. “She played with my tentacles.”

Blue light from the unicorn’s magic wrapped around Decoy’s muzzle and held it shut. “Stop right there, that’s already too much information.”

Decoy nodded, and they headed back to the trench.

===

The pony – Charity presumably – didn’t come around to mention to it that it was expected at the party until shortly before dinner. “One of them mentioned changelings at a meeting today; it sounded like they were curious.”

“I can probably work with curious,” Decoy replied. “Are there any rules I should know?”

The pegasus frowned. “You don’t have to do anything that you aren’t comfortable with, but don’t tell them ‘no’. Be polite.” She leaned forward and sniffed it. “And take a shower. You smell like you’ve been rolling around in the sand all day.”

It frowned. “I have been?”

“It was a joke,” she replied. “Nevermind, just be there before sundown.”

That left it quite a lot of time to kill, even after washing up, so it tracked down its roommate to ask for her advice – and ended up helping her with her clothes and makeup, since it had access to magic and she didn’t.

“We get to go together!” she said, fiddling with one of the bows they’d tied into her mane. “This’ll be so much fun. I’m sure they’ll split us up for the really fun part, of course – it’s a formal dinner, not a sex party.”

“It’s a formal occasion?” Decoy asked. “I don’t have anything to wear. I thought that would be fine since I’m being invited as a curiosity, but if it’s a formal event they might expect me to be wearing something.”

“No no no no no,” she said. “You definitely have to go naked. They’re going to want you to shapeshift and do clothes work with that at all?”

“I could shapeshift to look like I’m wearing a dress, maybe,” it replied, concentrating and adding what looked like a bright yellow ribbon around the base of its tail.

“What happens if somepony tries to undress you?”

“It won’t come off,” it replied. Although… could it? There needed to be some connection to its body, but it didn’t need to be durable, and something inert like a piece of cloth wouldn’t need constant maintenance. Still, that would be letting ponies tear off pieces of its body for vanity’s sake. With a flash of flame, the ribbon vanished. “You’re right, it’s a bad idea.”

===

They arrived before any of the guests, and were shown to their seats. It looked like a small affair, with about a dozen seats for guests and a huge buffet set out by the side of the room. The food, at a glance, looked a bit nicer than what they usually served in the cafeteria, although it had doubtless come from the same ovens. The décor was about as fancy as you could manage with office supplies – plastic candle-holders, sparkly decorations hung on the walls, and soft music from a phonograph set up in the corner.

“Are you nervous? I’m nervous,” the mare whispered to it.

It just shrugged in reply. Its own feelings were there – it had felt them, and was feeling some now – but for most of its life it had lived without them and it still wasn’t confident giving them names.

Then the Saddle Arabians arrived, and a cold ache formed in its abdomen – yes, it was nervous. They were huge! The smallest was as tall as Chrysalis, and at least twice her bulk. Oddly, they were all stallions except for a lone mare who looked as intimidated as it felt.

“So nervous,” hissed its roommate through her frozen smile.

The pegasus who’d recruited them was with them, leading them in with a much better fake smile on her face. Her gown was white and lacy, constrasting beautifully with her dust-brown wings and coat. As the Saddle Arabians found their seats, she moved to stand behind Decoy and the mare, placing a hoof on each of their shoulders. “I’d like to introduce you to Puffball and Dee, who’ve agreed to be your entertainment for the evening.”

The other mare brought in as entertainment gave a nervous wave, and Decoy nodded its head politely, glancing around the table at the towering horses, still having to look up at them despite the height advantage given by its chair over their cushions.

One of them stared at Decoy with particular interest. “What manner of creature are you?”

“I’m a changeling,” it replied. “We’re colorful now.”

“They reformed, didn’t you hear?” another of the guests added. “They’re good now.”

Decoy let the flames wash over it, transforming into the black, sharp-edged figure that it had been under Chrysalis’ rule. “Is this better?” it asked, its voice modulating with the multi-toned resonance that ponies found so terrifying.

Judging by the look on the stallion’s face, it was exactly what he wanted, but the Saddle Arabian mare gave a sigh, and looked away. “Please, we’re here to eat. Leave the theatrics for after dinner.”

It shifted back.

The pegasus chuckled. “As I said, they’re here for your entertainment. Feel free to use them however you wish!”

“And what about you, my dear?” asked the stallion at the head of the table. “Are you on the menu?”

“It’s not part of my job description,” she replied, but smiled and stroked his cheek with her feathery wingtip. “Ask me again after I’ve had a few drinks.”

===

After everypony had had their fill of the food – leaving most of it uneaten, of course – the party moved on to the conversation stage. Decoy felt a hoof rest on its back as it headed back towards its seat from the garbage pail, and stopped to glace at the owner.

“Such an interesting texture,” the stallion said, stroking down across its flank. “Ever since we heard of the changeling attack on Equestria, I’ve wanted to meet one.”

“I hope I can live up to your expectations,” Decoy replied, turning towards him and prancing around, to let the hoof wander over its elytra and through its head-frills.

The stallion stared into its eyes, lifted up its chin to examine its teeth, then made a twirling motion to indicate that it should turn around, and lifted its tail. “Nothing?” he asked.

“Anything,” Decoy replied, shifting a vulva into place for him to gawk at.

“But it’s not real,” the stallion said, disappointed.

“Oh, it’s better than real!” called the earth pony from across the room, the conversation near her pausing as she butted in. “She’s really good at shapeshifting, just having her make a vagina is a total waste of her talents.”

The stallion chuckled. “What, should I ask for two?”

Decoy obligingly added a second alongside her first, shifting them both to be better balanced horizontally. “Easy,” she said, as she readjusted her internal organs to make room for a pair of cocks.

“Oh, you want a challenge?” asked another Saddle Arabian. “Make ten then! One for each of us!”

“Why stop there?” the curly-maned mare suggested. “I bet she could do a hundred!”

Could she? It was an interesting problem. The surface area was certainly there, but surface area was only half the story – that many vaginas, large enough to handle a Saddle Arabian penis, wouldn’t leave her much room for anything else. But was that really a problem? She didn’t have organs when she shifted into a rock, and the only real effect from that was a slightly increased magic drain. One by one, she started to add the requested vaginas, each with a pony-like opening in her shell, shifting away her internals until she was a mostly-hollow mass of cock-sleeves. She shifted away her wings and elytra into a mere discoloration on her back, adding four more openings on each side, flanking her spine. Her legs only got two or three each, and that was at the cost of most of her strength – leaving only enough to stay standing. Three in her chest, replacing her heart and lungs, a ring of four spiraling their way up her throat… and she was only to sixty six.

She opened her eyes, to see everypony in the room staring at her, in one sort of fascination or another.

“How does that feel?” the stallion seated next to her asked.

“Empty,” she replied, then shifted one of her eyes into another vagina, curling through where she normally kept her brain. Then the other. A ripple of movement ran from beneath her tail, visiting each of the sex organs festooned across her shell, making them wink in turn as she imagined them all being somehow filled, ending with the ones replacing her eyes blinking in unison. “Aroused,” she added, then shifted her mouth into one last vagina.

She was about to shift back, when she felt something press against one of her eyes – which stretched, as it was designed to, a shivery pleasure that only increased as the cool, smooth object nestled into place inside her. It was firm, but not hard, thick and rounded… she squinted around it to give it a squeeze, and felt a hoof brush over the corresponding clitoris, briefly.

“What are you doing with that cucumber?” the Saddle Arabian mare asked. Decoy’s ears were just frills that gathered sound, so she had left them alone and could still hear.

“We need to make sure she isn’t cheating,” the stallion replied, his hoofsteps heading over to the buffet and coming back with another vegetable, sliding it slowly into her other eye. It didn’t want to fit inside her skull, but she managed to twist her head to the side until one of them angled down her throat. A third soon joined them, inserted into her erstwhile mouth, forcing her to stretch her neck out straight.

She tried to whimper, but had no voice. She’d had sex before, but only with one vagina at a time, and maybe it had been a mistake to make each of them as sensitive as the first, but this was the kind of mistake she needed to make more often… ooooh, there was a sharper, rougher vegetable, sliding in under her tail. A carrot? Her legs buckled, and weak as she was she collapsed to the ground, only to be lifted by strong hooves, which rubbed against other slits as they laid her out on the table, making her twitch with orgasm even before they started adding more and more vegetables to penetrate her from every angle.

She quickly lost track of time, becoming a leaking, twitching pile of sex as the emptiness inside her gradually filled, until at last the final hole had been plugged, and she was left to squirm against the tablecloth, squeezing around the now-warm vegetables filling every corner of her body. She vaguely heard the Saddle Arabians cheer, although she was too far gone to listen in on their words.

They left her there for a while, trying to hold still enough to come down from her high when the slightest movement shifted the mass inside her and sent her into another round of orgasms. She heard her roommate crying out in pleasure on the table next to her, as one of the guests screwed the mare in a more conventional fashion.

After an eternity of helpless pleasure, she felt one of the cucumbers slide from its sheath. “Alright, Dee. The party’s over,” her roommate said, nuzzling into another set of labia and feeling around for the carrot inside with her tongue.

Decoy shifted into a rock, then back into its default form, scattering ruined, slimy vegetables across the wreckage of the table and clattering to the floor. The curly-maned mare covered her face with her hooves as the vegetables went flying, and managed to avoid losing an eye to the hurtling projectiles.

“I only managed sixty nine,” Decoy said, its mind still numb and spinning from too much pleasure.

“Still very impressive,” the mare said, grinning. “I only managed six, and that was with them taking turns.” She gingerly sat down on the cushion she’d been standing on, and winced. “Oh, Celestia, I’m going to be sore for a while. But in a good way!”

“That’s good,” it said. “I think. If you can call this thinking. I –” it paused. “I may have overestimated my stamina.”

“All sexed out?” she asked, grinning up at it.

“No,” it replied. “I’m still incredibly aroused, even though I don’t even have anything to have sex with at the moment.”

“Then why’d you go and change back all at once?” she asked, pouting. “I was looking forward to emptying you out myself… one… at… a… time…” she licked her lips, still slick with juices from the openings she had had a chance to shove her muzzle into.

It dangled a foreleg off the edge of the table, twisting it to turn the frog face up, and shifted a single set of sexual organs into the already-sensitive flesh at the base of its hoof; just a small one, suitable for licking.

The mare didn’t disappoint.