The Padded Shapes of Nightmare

by scribe-feather

Rating: mature
Tags: Nightmare Rarity, Shining Armor, Princess Celestia, Slice of Life, Main 6, Princess Luna, My Little Pony: Friendship is Magic, Sex
Length: 11710

Nightmare Rarity uses her magic to warp the very bodies of Twilight and her fellow princesses. (ABDL, Adult Themes)

Once upon an ominous night, Twilight and her fellow princesses fall under threat of Nightmare Rarity, a devilish hybrid of Rarity and the evil force that once controlled Princess Luna all those years ago. With this great reveal, Rarity showcases some newfound magic which she is all too willing to cast upon the unsuspecting princesses, reshaping them into mere playthings.

Coverart By: Skitterpone

(Do not continue reading if you do not approve of diaper usage, diaper transformation, or diaper lover themes. If you do not like it or are under legal age, please do not keep reading.)

Published 2017-05-17 13:50:02 UTC
Last updated 2018-01-30 05:48:37 UTC

Chapter One

Author's Note

DISCLAIMER: Do not continue reading if you do not approve of adult baby themes or diaper usage. If you do not like it or are under legal age, please do not keep reading.

Please do not redistribute, alter, repost this story or anything else I write on this site or anyplace else without my permission.

Coverart By: Skitterpone

This Story Contains
Diaper Lover Themes (Heavy)
Diapers (Heavy)
Diaper Transformation (Heavy)
Bondage (Medium)
Diaper Usage - Mess (Medium)
Diaper Usage - Wet (Medium)
Hypnosis (Medium)
Mental Regression (Medium)
Plushification (Medium)

Chapter One

The Padded Shapes of Nightmare
By Scribe Feather
✶✶Chapter One✶✶

Valley weather was always interesting during this transitional period between spring and summer. For about a month, Ponyville would enjoy less rain and more sunshine as well as cool nights that were just above chilly. Schedules were not as busy during this time as well as ponies had yet to transition from the laid back spring days and dive head first into the hectic summer months. All around the feelings were calming and quiet.

Twilight had invited all her fellow princesses for a night on the town. It was so rare to get everypony together for a day of bonding and the purple pony was quick to leap on the opportunity. She even went as far as to schedule the entire day from sunrise to sunset, filling it with fun activities, seeing the sights of Ponyville, and above all else bonding with the other princesses.

Of course, the rest of the princesses didn’t quite follow the schedule that Twilight had planned out. The day had a late start as the other princesses rather enjoyed sleeping in. Twilight’s planned tour of the modern art museum had to be rescheduled for another day because the rest of them wanted to go bowling instead. Bird watching was replaced with some quiet sun bathing and ice cream. By the end of it all, their day turned out completely different than Twilight had initially planned.

But none of that mattered to Twilight. What mattered was that Cadance, Luna, and Celestia were all here to bond with. And the other three, even after apologizing for all the rescheduling Twilight talked about having to do, enjoyed the purple alicorn’s company immensely!

The group of princesses had just gotten out of dinner, a filling meal at the fanciest restaurant in town: La Plaque De Fantaisie. It was just barely evening when the four exited the elegant and deluxe. The oranges of the setting sun were just now being replaced with the purples and blues of night. The moon was just coming into view after spending the day drowned out by the sunlight.

“Such a beautiful night!” Cadance exclaimed as the pink alicorn took in a deep breath of the cool valley air.

“It was nice to step away from the big city,” Celestia added, bowing her head to some passersby who respectively bowed back as the group walked by.

“I agree. Ponyville’s such a peaceful town at night,” Luna added before looking up at the sky. “You can really see all the stars from out here,” she mused, scanning the beautiful night sky with a satisfied smile, “why, even the moon is...Is...” Her words trailed off into a worried silence, quickly grabbing the attention of the other princesses.

The other three looked to Princess Luna with concern before looking up in the direction she was looking. In a few seconds, their faces closely resembled hers. Looming above the group was the glow of the full moon, right where it usually was most nights. However, unlike most nights, covering the moon’s spotted face showed an ominous shadow of a mare’s head.

“Nightmare Moon?” Twilight quietly muttered to herself, confused as she glanced back down to Luna. The blue alicorn was just as puzzled as she was.

“Sister,” Celestia looked to Luna with worry, “what could this mean?”

“I don’t know,” Luna answered with dread, “but I have a sneaking suspicion that we’ll find out soon enough.”

“To the castle then!” Twilight exclaimed, leaping in front of the group to lead the way. “At the very least its natural magics will aid us!”

The others agreed, quickly dash off with Twilight. To save time, the group opted for a more direct route, cutting through the alleyways and thin paths between houses.

In their haste, they were all making great time until suddenly they lost their footing, all four of them, quickly crashing to the grassy ground. The fall left the princesses dazed for a moment or two as the world around them seemed to darken. Looming overhead gathered a star filled fog that quickly grew in size and strength. The princesses could just barely stand back up before the fog had fully encompassed the group.

The star filled fog twisted and bent in the air, moving with purpose as one large black mass. It continued gathering from parts unknown before balling up into a dense fog and dropping to the ground in front of the four princesses. The misty mass then quickly morphed from a shapeless blob into something almost ponylike. The group could only stand there in a ready stance as the form took shape.

A sinister and oddly familiar laugh echoed overhead as the fog took its final form. Materializing out of the stars stepped out a set of long, black hooves. After that came a body and then two piercing blue eyes that shined with a sinister glow. The remainder of the fog quickly took the form of a purple, star filled mane that flowed through the air like waves of water as well as a tall unicorn horn that sprouted proudly off the figure's head.

When the fog completely disappeared and the mass had finally taken form, it was revealed to be Nightmare Rarity, a sinister combination of Rarity and the mysterious, evil force that once corrupted Princess Luna. The malevolent villain grinned with sharp teeth as she continued to laugh maniacally.

“R-Rarity?” Twilight blinked in disbelief and shock, “what...what’s happened to you?” The rest of the princesses handled the reveal with varying levels of surprise, unsettlement, and anger.

“Oh young Twilight. I have been reborn. Reenergized. Revitalized!” Nightmare Rarity proudly held up her unicorn horn into the air as the appendage sparked with pent up energy. The air around the group felt charged like moments before a lightning storm. “I have never felt such power! I just couldn’t wait to show you all some new tricks I learned. It’s fortunate that I caught you all together in one place. It’d be such a hassle hunting you down one at a time.” Rarity stood with arrogant flair, regally holding her head up high into the air as her mane continued to flow behind her.

Luna leaned forward in an intimidating stance, ready to cast a spell the second Rarity’s hold on them lightened up. Despite being frozen where she stood, the blue alicorn was ready to pounce, ready to leap on and repel the evil that took over Rarity. Celestia followed her sister’s lead, scowling at the threat as her body tensed up with adrenaline.

“Now I can bring you all down in one fell swoop!” Nightmare Rarity’s grin grew as she held her unicorn up high into the air. An evil energy began to grow around it as the air sparked with charged bolts.

The energy took on a fiendish green color before turning white and then finally turning a sinister shade of blue. Once the spell had grown to its full power, Rarity swung her head towards the trapped princesses and flung the ball of light towards them. The ball jumped light lightening off her horn, separating into four pieces in a blink of an eye before stabbing the four alicorns in the forehead.

A sense of dread fell over the four ponies as they looked at each other with equally shocked expressions. The air around them buzzed with energy as a green glow grew around all four of them.

The spell’s effect came in waves, drastically altering the four princesses in short minutes. Twilight could feel no pain in such transformations and could only stand there petrified as she watched her fellow princesses follow the same fate.

First came the numbness as she began losing feeling in her extremities. Then her soft, lavender colored coat began to fade away. The hairs slowly turned white, melting into one another till they smoothed out into a soft plastic that encompassed her entire body. She could feel her bones being replaced with padding as her body began to flatten.

Looking around with what was left of her eyes, she could see the other princesses meeting the same circumstance. Celestia seemed to hold the most resistance to such magic, only managing to slow down the effects as she painfully strained against the changes. Where Cadance quickly turned into a diaper bearing her cutie mark, Celestia and Luna seemed to delay it for only a few moments as they spent some time as diaper/pony hybrids. But even that wasn’t enough and in the end they all fell under the magic force, falling to the ground as thick, crinkly diapers with only their cutie marks visible to differentiate them.

“Twilight Twilight Twilight,” Rarity tsked, carelessly floating the lavender diaper around, “just look at you now.” She waved the diaper around in the air a bit before floating it in close to give its soft padded core a prod with her hoof. “Princess of Friendship demoted to a diaper. Just like your precious princess pals.”

She smiled proudly at the work she had done. Four diapers laying open on the ground where princesses once pleaded. Her smile only widened as this reality full set in. She was unstoppable now.

“Oh I’m sure you’re all rather bummed about spending the rest of your lives as diapers,” Rarity laughed as she neatly folded each princess diaper and stacked them all into an orderly stack that floated in the air, “but don’t fret. My mind is just teeming with ideas and opportunity. We just need to find the right fit...And the right test subjects...”

And with that, Nightmare Rarity melted back into her ghostly from, disappearing into the night with the diapers in tow.

Chapter Two

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Chapter Three

The Padded Shapes of Nightmare
By Scribe Feather
✶✶Chapter Three✶✶

It was late at night by now and life in Canterlot Castle moved more or less the same as it had been. Without the Royal Sisters there, the staff list was smaller. There was no need to have so many guards or chefs or butlers when there was no one to give them orders.

Guards still walked their patrols, however, carrying on as usual. Among the many ponies who guarded the castle at this hour were an unlikely pair of a bat pony and a white unicorn. It was unusual to see a gold armored guard at this hour, but this was certainly unusual circumstances.

The bat pony was Evening Sky, a night guard pony with an eye catching purple striped tail and a cloudy moon cutie mark partially visible underneath her purple armor. She took her job with a large amount of pride, wearing that uniform with nobility and dignity, honored to guard her beloved Princess Luna. When she put on that helmet and picked up her spear, the bat pony put on a tough face, ready to take on any obstacle in the name of the Royal Sisters.

Standing beside her was Lucky Shield, a not as glorious guard as Evening Sky. He resembled many of the blue striped maned guards who patrolled the castle halls during the day, but his personality often landed him in not-so fortunate situations. His cutie mark depicted a star emblazoned blue shield, reflecting his natural born duty to serve and defend. He did his job well, there was no doubt in that, however he also enjoyed fudging his schedules by taking slightly longer breaks in between shifts than was acceptable. The white unicorn never saw much harm in it. Just ten or so minutes over his allotted break time was all that he required to finish his lunch or finish polishing his armor. It was nothing TOO substantial.

However, apparently someone above his rank was keeping track of his longer breaks and decided to surprise the stallion with a couple night shifts just to make up lost time. He wasn’t too happy about being up so late, but Evening Sky was always close by to make sure the stallion didn’t slink off for a nap.

The two were stationed at one of Canterlot Castle’s main halls, charged with the duty of watching for trespassers, thieves, and assassins. Of course, there was a lot less to worry about when the princesses weren’t home. Lucky Shield would probably use this fact as a means to avoid work altogether, but Evening Sky would be there every step of the way to talk him out of it.

“Stand up straight, Lucky!” Sky barked with a hiss, “a soldier’s expected to stand at attention during his entire shift!”

“Why? No one’s gonna see us,” Lucky grumbled, rolling his eyes tiredly, “I don’t even know why we’re bothering with guarding this hall. We haven’t seen a single pony walk by. Not even a maid or something. No one’s gonna visit when the princesses are on leave. We probably don’t even have to spend the whole shift here if we really didn’t want to...”

Lucky continued rambling on for a bit longer, but a sudden loud noise grabbed Sky’s attention, causing her fuzzy ears to perk up and point towards the sound. “You hear that?” she interrupted the white stallion.

“No,” Lucky Shield answered, not even bothering to listen for whatever Sky’s paranoid bat ears might have heard.

“It came from the throne room,” Sky barked before turning down the hall, “come on!”

“But our post!” Lucky whined, but she was already long gone, forcing him to run off after her.

The two guards galloped their way down the hall before stopping at the large double doors that led to the royal throne room. The sound of metal crashing to the ground could be heard as the two pressed their ears against the wooden door.

Evening Sky was the first one to burst in, leaping into the room once there was a wide enough gap in the door. Lucky Shield slipped in shortly after in a not-so stellar manner.

The throne room was a long area decorated with stained glass windows and marble columns. On the other end of the room stood two thrones for the royal sisters, currently unoccupied. A red carpet stretched all the way down the middle of the room, connecting the main doors with the thrones.

Standing not too far away from the main doors loomed Nightmare Rarity with her back to the other ponies. A thick white diaper bearing Princess Celestia’s cutie mark was fastened around her rear, bulging out her features. She peeked over her shoulder and grinned, “ah excellent,” she said as she slowly turned around the face the other ponies, “more guards to play with.”

Sky scowled as she held her spear towards the sinister unicorn. She scanned the room to find discarded parts of night guard armor, what she could only assume to be remnants of the guards stationed in the throne room. That only made her scowl narrow and her blood boil more.

“Your friends weren’t nearly as entertaining,” Rarity idly said, brushing a smudge off her hoof, “hardly put up a fight.” She then met eyes with the strong batpony, grinning and laughing at her ferocity. “Oh but you two will do nicely. Yes, I have some wonderful plans for you.”

“Not a chance!” Sky barked back as she pointed her spear toward the intruding unicorn, “Lucky! Go and get help!”

“No way! That’s Nightmare Rarity!” Lucky answered, cowardly taking a few steps backwards in fear. “Princess Celestia told us all about her! She’s gonna kill us!”

“Never mind that, Lucky!” Sky snapped back as she firmly pointed her spear at the intruder. “I’ll hold her off. YOU get out of here and find help, now!”

The stallion quickly nodded as he took a couple steps back from the encounter. He scrambled on his feet as he quickly spun around a made a break for the door.

Rarity snarled as she looked past the spear wielding batpony and straight at the fleeing stallion. “Disloyal guards will NOT be tolerated in my new castle!”

With a glow of her horn, Rarity lifted Lucky Shield into the air, freezing him in place as he ran a bit in the air before realizing he was trapped.

The sight just made Evening Sky’s grip around her spear tighten. “Let him go!” she powerfully shouted.

Nightmare Rarity just rolled her eyes before her horn’s glow grew brighter. Her magical aura extended itself to now encompass the batpony’s head. Sky was instantly awestruck by the magical effects as Rarity’s magics took hold. She was frozen in place, doing her best to keep her wits about her as her mind grew fuzzy.

In an instant the stallion became stiff, suddenly losing feeling in his entire body. That numbness briefly turned into bodywide tingling before that too disappeared without warning. His body struggled to hold under its own weight as his fur began morphing into a soft fabric. His mane followed shortly after, morphing into a blue material of equal softness. Right before his very eyes, black stitching could be seen weaving through his body as if they were sewn in by invisible needles. He could feel his body growing limp as his muscles turned into cotton like fluff. Finally, as if punctuating the unnatural transformation, his eyes that twinkled with fear morphed into glass and his mouth froze in a perpetual stitched smile..

The newly plushified stallion was promptly shrunk to a more manageable size, no bigger than a small dog. With no skeleton to hold it up anymore, the toy fell on its side, lifeless and unmoving.

Meanwhile Evening Sky stared dumbfoundedly at the intruding unicorn. Her grip around her weapon loosened as her dazed eyes acquired a most distinct blue swirl that irradiated out from her pupils. She was deep under Rarity’s hypnotic spell by now.

“There’s a good girl,” Rarity cooed with a deceptive voice before shooting the bat pony with one final bolt of magic, sealing her fate.

Sky instantly dropped her spear, causing the weapon to loudly clatter against the marble floor. Her body became lax as her limbs could no longer hold her weight. She plopped to the ground and quickly found laying on her back to be the most natural position. Her eyes became unfocused as she smiled at nothing. Her mind mush and simplified into that of a foal’s.

“Congratulations, my little pony,” Rarity grinned devilishly as a diaper bearing Luna’s cutie mark appeared, “you will have the honor of wearing Princess Luna! As for your friend,” she nabbed the now plushified unicorn guard off the ground and floated it over to the drooling Sky. “Well I think every little girl deserves a little snuggle buddy, right?” Rarity teased as she wagged the plushie above the bat pony.

Sky’s wings sprang open in delight as her forehooves shot up to grab the toy out of the air. She quickly pulled it down close to her and gave it a big hug with a happy wiggle of her body.

Rarity smiled at the adorable sight before kneeling down and quickly discarding the batpony’s purple armor, revealing the purple and lavender striped mane underneath. She then began carefully diapering the regressed guard by hand. Evening Sky didn’t resist, not anymore, in fact she seemed energized by the thick diaper, reveling in its soft texture. She only giggled quietly and babbled as the Luna diaper was slowly taped around her waist. In a matter of minutes she was softly enveloped in the Luna diaper, happily flaunting the moon shaped cutie mark that was printed on its face.

“Now, are we going to be a good girl?” Rarity asked with a smirk.

As if answering her question Sky began to grunt. She gripped the plushie against her chest in a tight hug as her back legs raised up into the air. She closed her eyes for only a moment as her tummy tightened and she began to push. Her diaper, predominantly displaying Luna’s cutie mark, began to quickly bulge outwards and sag heavily to the ground. Her gray legs carelessly wiggled in the air as she pushed more and more. A large, hefty load began filling the diaper as the garment crinkled and shifted to make room. At no point in her babyish diaper filling did Sky break eye contact with Rarity, nor did she stop smiling or hugging her favorite guard plushie.

“How cute,” Rarity laughed, watching the whole thing with delight. Already her mind teemed with possibilities and plans on how to deal with her newly regressed bat pony. Above all else, she needed to assign Sky to a post that was more fitting to her new attire. “I think you’re ready for your new assignment in the royal nursery.”

Evening Sky was completely unresponsive to Rarity’s taunts. She was now completely occupied with playing with her plushie, snuggling it and waving it around as she laid on her back. Her heavy diaper hardly bothered her now with her toy being so much fun. Occasionally she would squeal and giggled as her little imagination entertained her foalish mind.

Rarity grinned as she stood up and partly circled the diapered pony. “Oh who am I to ruin a little foal’s fun,” she laughed, “I’ll leave you two alone for now. Do try to behave yourself, little one.”

And with that, the black unicorn faded into the shadows, ready to pounce on her next target.

Chapter Four: Part One

The Padded Shapes of Nightmare
By Scribe Feather

✶✶Chapter Four✶✶

Meanwhile things were at high alert in Twilight’s Castle. Once word got around that the princesses had gone missing, the remaining Elements of Harmony had called an emergency meeting in hopes to find a solution. None of them truly knew how effective they could be without Rarity or Twilight, but the group had to think of something.

Rainbow Dash and Applejack were the first ones to arrive. They charged into the throne room almost simultaneously with Dash opting for an open window as Applejack rushed the main doors.

The throne room was a large rounded room made of the same crystal material that encompassed the entire castle. In the center stood a round golden disk with six crystal chairs spaced evenly around it. Each chair was marked with a cutie mark, corresponding to the pony who sat there. The usual warm glow of the hanging colored lanterns in the center of the room seemed to only amplify the ominous background that loomed just outside the castle.

Pinkie Pie arrived shortly after, hopping up into her crystal throne in a less-than-Pinkie-like fashion. She wasn’t her usual perky self, opting for a more quieter demeanor. She had grown worried about Twilight and Rarity’s disappearance, hardly able to think of much else. It only made things worse that her left ear wouldn’t stop twitching as well, alluding to something terrible.

“So what’s this about?” Rainbow Dash asked, swooping downwards into her own seat, “where could all the princesses disappear off to?”

“Did Twilight say anything to you gals?” Applejack asked the room, only to have the other two shake their heads.

“Nothing. Not even Rarity told us anything,” Dash answered.

Applejack opened her mouth to respond, but was interrupted by the squeaking of metal door hinges. The group turned around to look towards the throne room’s main doors. In peeked the pink haired head of Fluttershy, the quiet and meek one of the party. She hastily rushed into the meeting room with a shy, lowered head. “Sorry I’m late,” she quietly stated, scurrying off to her own chair. The group made their usual greetings to their late arrival, but eventually returned to the task at hand.

“So we gotta get out and look for them!” Rainbow Dash so powerfully declared, “get a search party together or somethin’!”

“Them?” Fluttershy quietly interjected. News about Twilight’s disappearance had reached the yellow pegasus, even though she lived so far in the outskirts of town. However, as far as she knew, Twilight was the only one missing.

Dash blinked for a second or two, “...Twilight and Rarity.”

“But...I was just talking to Rarity,” Fluttershy answered, “she was saying how important it was that we all were in the throne room.”

“What?!” The other three leapt from of their seats as they loudly exclaimed in unison.

Suddenly the group’s hooves began to glow blue, freezing them in place. The blue aura then materialized into magical rings that looped around their hooves, trapping them where they stood like heavy shackles.

“What is this?!” Rainbow Dash growled, forcefully tugging at her hooves without budging an inch.

As if to answer her question, a sinister laugh echoed off of the crystalline walls. Before them materialized a starry fog that quickly morphed into shape. A pair of glowing blue eyes pierced the misty curtain, staring straight through the startled ponies as the evil took shape. The shadows finally took the form of Nightmare Rarity, an ominous sight even with the white diaper taped around her waist.

“Rarity?” Applejack exclaimed in disbelief, “what’s...”

“My dear...friends,” Rarity grinned evilly, “I’m sure you’re all wondering why I’ve brought you here.” With a glow of her horn she summoned a folded diaper bearing Twilight’s cutie mark. “As you can see. Twilight has found herself in quite the predicament,” she floated the padding through the air for emphasis, “out of all the princesses, I think she makes the most perfect diaper.”

“Th-they’ve been turned into diapers?!” Pinkie exclaimed, her voice shaking in absolute shock. Her poofy hair quivered with her disbelief, risking to collapse and lose its natural glow. The others were just as taken aback by the news, but each handled it in their own way.

Seeing Twilight turned into a diaper seemed to only anger Rainbow Dash, causing the blue pegasus to bear her teeth in a gritting growl. If she wasn’t magically bolted to the ground, she might have very likely tried to tackle Rarity, regardless of their preexisting relationship. Might have even swung a few angry punches her way as well!

Fluttershy was paralyzed, not only by her magical restraints, but by her own fear for her life. Her limbs quivered underneath her as her lips trembled. She could hardly form a coherent sentence through it all, managing only some meek whimpers and squeaky gasps.

Applejack remained quiet. Quieter than even Fluttershy. Only her silence was bubbling with fury. A look of determination remained on her face, unwilling to give Rarity the benefit of seeing her crack under her taunts and mockery.

Undeterred by the other ponies, Rarity continued to evilishly pace around the room. She held the Twilight diaper like a theatrical prop, floating it around her as she walked. “oh, but what’s a diaper without a baby?” She tapped her chin as if deep in thought. The four other ponies stood in dread as she reveled in making them wait. “I’m going to be taping Twilight around one of you tonight, but I’ll leave it up to YOU to decide who it’ll be.”

“None of us are gonna do that!” Rainbow Dash angrily snarled, baring her teeth.

Rarity’s head snapped towards the bold pegasus, scowling at her as her horn began to flare up with power. A swift bolt of magic shot from her horn and darted straight into Dash’s chest. In a blink of an eye, Rainbow Dash could feel her bladder suddenly fill up before her body released the whole thing, causing a large yellow puddle to form around her ankles. It all happened so suddenly that she could hardly fathom any of it until she stood wallowing in her own urine.

“I will not have rudeness interrupt our vote!” Rarity sneered. She scowled at the rebellious pegasus for a few more minutes before pausing, taking a breath of air, and melting into that same fiendish smile. “Fine then,” she started again, scanning across her frozen friends, “If no one wants to accept my generous gift, I suppose I’ll just choose for you...”

Chapter Four: Fluttershy

The Padded Shapes of Nightmare
By Scribe Feather

✶✶Chapter Four: Fluttershy✶✶

Nightmare Rarity took a long while staring sinisterly back at Rainbow Dash who continued scowling at her. While Dash’s glare was fierce and unwavering, Rarity’s was brash, cocky, and almost mischievous. Two unstoppable forces in their own right.

“Fluttershy,” Rarity boomed, snapping her head to face the pink haired pegasus, “yes, you seem to be the perfect candidate.”

The yellow pegasus didn’t respond, too petrified with quivering fear to say anything. Even if she wasn’t magically bound to the ground, she’d likely never move on her own accord out of primal fear. Rarity reveled in the pegasus’ terror, glaring down upon the timid pony as she floated the Twilight diaper down between the two. Fluttershy didn’t budge an inch.

Grinning an evil grin, Rarity magically brought the diaper down between Fluttershy’s legs, securely taping her into the fluffy garment after only a few well timed motions. Twilight’s cutie mark could be clearly seen on the rear of the diaper, serving as a constant reminder of the alicorn’s fate.

Color drained from Fluttershy’s face as she fearfully looked around the room at her other friends. The group could only silently watch the whole thing unfold. She briefly glanced behind her where the fringes of Twilight’s elastic ruffles could be seen out of the corner of her eye. Her eyes snapped back with a blush.

“A perfect fit!” Rarity laughed, “you wear that diaper well, Fluttershy. Now all we have to do is see if you can use it well too.”

“I-I couldn’t!” Fluttershy squeaked.

“No need to be so timid, Fluttershy. Diapers are meant to be used,” Rarity grinned as her horn teemed with magical energy just waiting to be conjured into a spell.

Fluttershy meekly looked up at Rarity and then again over to her friends who looked upon her with expressions of sympathy. Neither of them wished for such a fate. She then took a long look at her new diaper, meekly squeezing her thighs a tiny bit out of a nervous, meek twitch. She couldn’t help but notice how thick it was. How comfortable it was.

She knew this diaper was Twilight. That was a truth she desperately grabbed hold of as a reminder. No matter what, she had to remember that. It was wrong to be wearing Twilight like some kind of magically twisted outfit. She knew that. But at the same time, she noticed how soft the inside of the diaper was. How thick the padding was, how crisp the plastic.

She squeezed her thighs together a tiny bit more just to take it all in. So soft and crinkly. She dared another yet squeeze. For a brief moment she forgot where she was and that the diaper was once her friend. A quiver in her chest made a small smile appear on her face. She then looked up from staring at the diaper, fearfully noticing the rest of the group was watching the whole thing. Her smile disappeared quickly after that.

“U-uhm,” the yellow pegasus stammered, “p-please don’t...make me soil myself...” Her words started soft and fearful, but at the end of the sentence there was a distinct quiver in her voice.

“Oh but I shall, Fluttershy,” Rarity slyly grinned, “with a single spell I can have you filling your diaper like a little foal. You’d be powerless to resist.”

That made Fluttershy’s cheeks flare up a brighter shade of red as her mind involuntarily conjured up pleasurable fantasies about the near future. To really be forced to soil herself uncontrollably and in front of her friends no less. Twilight being her diaper was just icing on the cake. It was all surprisingly arousing for the quiet pegasus, promptly provoking a physical response from her in the form of a stiff kink in her wings.

“I c-couldn’t do that to Twilight,” Fluttershy stuttered out, although her words lacked much substance and meaning at this point. She didn’t sound entirely convinced of her own half lie.

Could she really do it? Could she really use her diaper in front of her friends? Could she really just use Twilight like the diaper she was? The idea sounded so tantalizing. It sounded more and more appealing the more she repeated it in her mind. The diaper was so soft. She could actually do it! She could really do it! Just the thought of soiling herself and rubbing her squishy diaper made her wings stiffen a little bit more.

The remaining three stood there absolutely astonished, hardly able to believe what they were watching. A conjoined gasp was shared amongst Fluttershy’s friends as they watched her wings stiffen even more.

“Fluttershy,” Rainbow Dash exclaimed, “you’re not...enjoying all this. Are you?”

“N-no! No, I don’t!” Fluttershy exclaimed, her voice cracking with embarrassment. She lowered her blushing face away from her friends’ prying eyes.

A little voice, one that grew louder as time went on, encouraged her further. She could do it now if she wanted to. She could always blame it on Nightmare Rarity’s magic. She could actually do it! But just a little bit, she told herself, she was only going to wet Twilight a little bit. Just to see how it felt.

A carefully controlled trickle of urine soaked into the diaper, hardly yellowing the thick, fluffy core of the padding. It felt kind of good. Kind of warm. And by the sounds of things, it didn’t seem like it was enough for her friends to notice. She dared a little bit more and allowed another tiny trickle of urine into her diaper. That trickle was shortly followed by another one and than another and before she knew it she was expelling her entire bladder into the waiting diaper.

“I must commend your efforts, Fluttershy,” Nightmare Rarity smiled, circling the pegasus like a vulture, “I hardly even needed to encourage you to make a foal of yourself.” She gave the Twilight diaper a couple pats on the back, noting the flood of urine slowly soaking up the back. “Why if I didn’t know any better, I’d say you were eager to use Twilight for all your bodily needs.”

Fluttershy was mortified, hardly able to look up at her friends even long after the urine soaked completely into the diaper. A wonderfully warm feeling. Calming and arousing at the same time. She hated herself, but she needed more. And with an expired bladder, the little voice in her head dared her to commit another dirty deed.

The wet diaper seemed to only goad the quiet pegasus further. She was in a soaked diaper after all, what difference would a little mess in the back make?

Even as her friends stared, Fluttershy found the little voice very convincing and even as she silently refused to listen to the voice’s suggestions she could feel herself crouching down close to the floor.

Before she knew it, Fluttershy’s face was scrunched up and she began to grunt. The grunting turned into a long drawn out groan as the diaper expanded. A heavy, almost unnaturally large mess dumped into the back of the Twilight diaper, pushing out the cutie mark to make room for the rest.

Rarity grinned, “just look how full that diaper is!” She patted Fluttershy’s sagging diaper back with a chuckle. “Go ahead, Fluttershy. Submit to your impulses,” she grinned as she released the pegasus from her magical restraints, “do whatever comes naturally...”

Fluttershy fidgeted in place as she peeked up from behind her hair at her audience. Her friends were unsurprisingly baffled by it all. Rainbow Dash especially showed expressions of disgust and repulsion at the whole thing.

Once again the little voice in her head came back to Fluttershy. She was already in the thick of it. What difference would it make now if she just gave her diaper a couple rubs? Just a couple rubs and she could change out of the diaper. Just a little touch and she could rid herself of this embarrassing ordeal.

Only, she didn’t necessarily want just a couple rubs. She didn’t want to just touch herself a little bit. She wanted more than that. She wanted to break down right here right now and rip her diaper apart. She wanted to grind against the floor and spank her messy diaper butt. She deserved it after all! All these shameful thoughts, whether of her own or from some foreign source poured over her conscious mind like a torrent of arousing taunts. Before too long it just became too great for the meek pegasus and her back legs began to quiver.

Throwing caution to the wind, Fluttershy fell backwards and landed squarely on her lumpy mess. Her friends gasped as she so carelessly squshed the mess around inside her diaper. She bounced a couple times on the small lumps that gravitated around her butt. The bouncing eventually morphed into grinding as her forehooves shot down between her thighs and began rubbing at the swollen padding. She didn’t care anymore. There was just not enough room in her horny mind to pay attention to the potential shame. She could only think to submit to her urges and masturbate.

She was ashamed of herself, but the need was too great. Despite feeling her friends’ stares burning a hole in the back of her head, Fluttershy continued grinding her hoof against the squishy crotch of her diaper. Rhythmic grunting conjoined with her hasty rubbings, desperate for that mounting pleasure that built up just behind the confines of the diaper.

Finally Fluttershy finally flung her head back. “I-I love my diapers!” And her back legs quivered in intense pleasure as the sought after climax overtook her body. Her voice echoed off the castle walls well after she finished. As she panted heavily, she could oh so faintly hear her own proclamation of pleasure quietly fading as a lingering echo.

She winced as she pulled herself back up on her feet, dreading the moment when she would have to look her friends in the eye. For now, she could only stare at the ground, shamefully unable to look up at anypony. The aroused flutter in her chest quickly faded, leaving a cold disgust of herself.

Breaking the silence, Rarity applauded the performance with a tapping of her hooves. “Well done, Fluttershy! Well done!” Fluttershy managed to throw only a short glance to the black unicorn, humiliated with what she had done. “It is such a delight watching ponies do my bidding without even needing to cast a single spell!” Rarity happily exclaimed before looking over to the other ponies who stared at Fluttershy like she insulted all their mothers. “Well I’m sure you girls have plenty to talk about,” she chuckled as the room began to darken. “I’ll give you some time to...catch up with one another. It’s been fun.”

An evil chuckle echoed off the walls as a sinister fog gathered around Rarity like a formless pool of water. The fog then swallowed the unicorn whole before suddenly disappearing, leaving without a trace.

Chapter Four: Rainbow Dash

The Padded Shapes of Nightmare
By Scribe Feather

✶✶Chapter Four: Rainbow Dash✶✶

Out of the four trapped ponies, Rainbow Dash seemed to put up the most resistance. Even while her hooves remained stuck to the ground, the cyan pegasus continued tugging at her restrains, even going as far as to flapping her wings in hopes to upwardly escape.

This amount of resistance didn’t go unnoticed by Rarity. After watching the other mare put up such a fight for a few more minutes, the black unicorn floated the diaper over to her. “Of course. The answer’s so obvious,” she devilishly mused, “what better choice than the pony who insists on refusing me so adamantly.”

Rarity’s horn glowed and so did the Twilight diaper. In a flash the diaper disappeared from beside Rarity and appeared wrapped around Dash’s rump.

“Get it off of me!” Dash snapped back, jerking her rump to the sides as if that would somehow shake the diaper loose..

“No, I have a better idea,” Rarity simply said as her horn sprang to life once more, “I’m going to regress your mind, one year at a time, until you learn to behave yourself.”

A magical ball formed at the very tip of Rarity’s horn, charging the air with its electric power. Glowly blue for just a second, the ball of energy sparked once before turning translucent and shot straight towards Rainbow Dash. It bolted directly for the pegasus’ forehead, almost knocking her off balance with its disorienting force.

Dash winced at the intruder, feeling a brief headache pulse through her mind before quickly dissipating. She promptly returned to scowling at Rarity, her wings tensing up ready to pounce.

“One year,” Rarity simply stated, “at a time...”

Year by year, Rainbow Dash’s mental age was slowly rolled back. Beloved memories and experiences faded away as the spell worked its magic. Memories from one year ago disappeared like it was nothing, then another, and before she knew it she was reliving her high school days.

For a few brief minutes, she could genuinely feel how nervous she was about the upcoming math test or hoofball tryouts or the emotional roller coaster that was puberty. She could even fondly remember that stupid crush she had on that one stallion in her literature class. Wordsmith was his name and she could remember every little detail about him like she just talked with him yesterday. Everything felt so real like she was actually there.

Before her very eyes, memories of middle school began flashing by. Old friendships that didn’t withstand the transition between schools were fresh in her mind as she remember old faces long since forgotten. She struggled to remember high level algebra or all those old poems they had classes memorize.

Now she was in elementary school. She didn’t know it than, but she had lost so much knowledge in under an hour. Her mind lightened as math formulas and science facts disappeared without a trace.

But that wasn’t enough for Rarity. Seeing the diaper still bone dry, the unicorn intensified her regressive magic, bringing Rainbow Dash further down in mental age. Elementary was only briefly experienced, and was quickly skimmed through. Memories of spelling bees and talent shows were mere glimpses in Dash’s eyes as she felt those years slip away. Her first years in actual school were quickly fading away, slowly replaced by kindergarten and pre-school.

With this new perceived reality, Dash’s body did its best to adjust. Her legs quivered every now and then as well refined dexterity generated over years of practice drained from their muscles. Even her bladder control weakened, alluding to an earlier time in the mare’s life when she wasn’t as potty trained as she would reveal. Her bladder had no choice, but to relax its weak little muscles, promptly swelling up her diaper.

Just for a moment, Rarity let up on the regressing magics. “A wet diaper and hardly younger than six. Excellent,” Rarity grinned, “it would seem that you were a bedwetter when you were young, Rainbow Dash.”

“Shut up! I am not!” Dash snapped with a snarl. Her voice squeaking a bit in a small defensive whine.

“Rebellious even at such a young age,” Rarity smirked as her horn sprang back to life, “no matter. A few more years younger than.”

Years continued to fall off of Dash’s mind once more. Before long everything she learned in elementary school was lost. Everything learned in preschool and kindergarten followed shortly after. Not much remained in her mind as it grew younger and younger. Counting any farther than five was impossible now and she could hardly recall her ABCs.

Finally her control over her bodily functions began to weaken as memories of how to control such basic things faded away with her age. Her rebellion against the authoritative unicorn was still visible, but that no longer included holding control over her bowels. She continued to scowl at Rarity even as the diaper bulged and filled up with her stinky mess.

“How adorable,” Rarity mused, eyeing the back of Dash’s diaper. “Such a fierce little pony. Even with a messy diaper. Won’t be long now...”

Dash’s last remaining years disappeared before they knew it. Gone were her memories of potty training or walking. She now only had the mental age of a one year old foal. Her legs wobbled for a moment until finally buckling under their own weight, causing her to plop to the ground landing squarely on her diapered rump. The urine beneath her feet from earlier splashed loudly as the plastic shell of her well used diaper smacked against it.

The suddenly drop to the ground surprised the regressed mare, almost frightening her. She scowled for only a moment before realizing she couldn't remember why she was scowling. All that mattered now in her foalish mind was the icky muck that squished and oozed around her rump. And ontop of that, the cold urine around her thighs was beginning to soak into her fur.

She didn’t like that feeling and began to cry in response. Like an overgrown foal, she began fussing about on the floor, wagging her limbs about in a desperate attempt to rid herself of that sticky sensation hugging her butt. Every flail only managed to spread the urine puddle out a little bit more, quickly making quite a mess of things.

“What a shame,” Rarity stated, promptly ignoring the grown mare’s cries, “reduced to a mind of a foal and you could have easily avoided all this if you did as I said.” She tsked, “such a waste.” She then looked down between Dash’s legs where Twilight’s cutie mark could be seen among the adult foal’s flailing legs. The padding was properly used at this point with a lovely yellow discoloration bleeding the lower parts of Twilight’s cutie mark like a real wetness indicator. A stink wafted from the backside of Dash’s diaper, filling the room with the big foal’s fragrance. “But there is a bright side to this,” Rarity started again with a grin, turning her attention to the rest of the ponies, “Twilight has had the opportunity to do everything a diaper’s suppose to do.”

With a flash from her horn, Rarity simultaneously disenchanted the other ponies’ hooves, freeing them from their bindings.

“I must say this has been VERY entertaining,” Rarity laughed, turning her back to her friends. “I wish I could stick around to change little Dashie, but I’m oh so busy with other plans.” She brushed a hoof across her own diapered crotch. “I’m sure one of you knows how to change a diaper. Don’t all volunteer at once!”

Another laugh grew as a black fog enveloped the black unicorn. The laugh echoed through the room as the misty coverage quickly grew thick before dissipating in an instant. When the laughing disappeared, the group was left in silence, save for the pleaful cries of a heavily regressed Rainbow Dash.

Chapter Four: Applejack

The Padded Shapes of Nightmare
By Scribe Feather

✶✶Chapter Four: Applejack✶✶

Rarity slyly turned her attention to Applejack who stood with a permanent scowl aimed directly at the black unicorn. “My dear friend, Applejack. You’ve been so quiet throughout this whole thing.”

“I have nothing to say to you,” Applejack spit back.

“Well,” Rarity grinned as she lifted the Twilight diaper into view, “it would seem that we have a volunteer.”

The Twilight diaper floated downwards toward Applejack’s lower half. The earth pony continued to scowl as she put on a strong face.

“Stop it, Rarity!” the orange pony exclaimed, even as the diaper slowly hooked itself up between her legs. “let us go!”

“None of you are going anywhere until you use your diaper,” Rarity answered back, waving her horn a bit in the air to finish diapering the grown mare. A thick layer of crinkly fluff was soon securely fastened around Applejack’s waist. “But I don’t have all day. Perhaps a little arousal spell can provide some...” her horn glowed again as she grinned, “motivation.”

The magical glow fully encompassed Rarity’s horn and soon Applejack’s diaper began to glow as well. A powerful magic enchanted the diaper and the vulnerable pussy that lied beneath. Like a seeping mist, the arousing spell spread throughout the diaper, focusing its glow between Applejack’s thighs.

Like a bolt of lightning, a sudden burst of heat warmed Applejack’s crotch. Her heart beat began to quicken as her back legs instinctively squeezed together in shock. That only caused the diaper to crinkle more, causing the burning to intensify.

A shaky breath shivered out of Applejack’s muzzle as she dared a short glance back at her diaper. It didn’t matter that until now she had no sexual interest in them. What mattered now were the arousing feelings that quickly filled her mind. Her body heated with as the artificial arousal built up. Her heart beat quickened as a fluttering feeling grew deep within her chest.

She couldn’t...This was Twilight that she was wearing. She couldn’t just...Nightmare Rarity was evil! All of these thoughts were tricks. They weren’t real. None of it was real, it was just Nightmare Rarity’s magics trying to get the upperhand.

Only such rebellious thoughts petered out rather quickly. Very soon it turned from a desire to a need. Her body demanded release. She needed to masturbate!

“P-please...” Applejack found herself muttering.

“What’s that, Applejack?” Rarity leaned in with a grin, increasing the orange pony’s arousal even more.

Applejack moaned, “please l-let me cum...” Now she was feeling intense feelings of sexual arousal. Aimless attracting to nothing. It was a completely physical reaction, a primal burn within her chest.

“I will release you once you have given me what I want,” Rarity teased.

Another electric wave hit Applejack as her legs quivered with pent up energy. Beads of sweat gathered on her forehead as her mind became dominated with sexual urges. Nothing else seemed to matter now. She needed release. She needed to cum.

Finally the last bit of Applejack’s resistance broke down. “S-sorry Twi...” Applejack murmured as her tail started to rise.

A few pushes were all that was needed to give the Twilight diaper a good fill up. A large, heavy load poured into the waiting padding as Applejack shamefully soiled herself in front of her friends.

“Good girl, Applejack,” Rarity grinned.

“P-please,” Applejack shivered so quietly and weak.

Rarity rolled her eyes as she turned away from the pony. “Oh go ahead,” she said as the glow around her horn shut off.

Applejack collapsed once Rarity’s magical grip was lifted. She didn’t waste another second before shoving both front hooves deep into her diaper to touch her moist pussy directly. A loud, unadulterated moan erupted from her muzzle when she finally made contact. Her back legs quivered as the rest of her body buzzed with intense pleasure.

The rest of the group watched in shock and in some cases revulsion as the earth pony so carelessly masturbated before their very eyes. Pinkie Pie sat quietly and looked onwards as Applejack had her fun. Rainbow Dash was obviously taken aback by the sight, hastily taking a few steps backwards away from the diapered butt that bounced in front of her. Fluttershy hid behind the fleeing pegasus and distanced herself away as well, but seemed to hesitate a bit as her eyes lingered on the sight for a little longer than the rest. She wore a look of disgust, sure, but in some strange way her expression seemed a tad over exaggerated, almost manufactured and fake.

“My my, look at her go!” Nightmare Rarity taunted as rhythmic crinkles continued to fill the room. “She will most certainly need a change after her little...play session,” she grinned. “Might be best to change her into another diaper if you girls can find one that fits. I don’t think she could ever live without diapers now. Isn’t that right, Applejack.”

The orange pony didn’t response. She couldn’t respond. The only thing she could do was masturbate, rubbing her hoof furiously against her dripping pussy lips. It was the only thing that mattered.

Rarity tsked, “what a rambunctious diaper pony.” She had another healthy laugh as she took a few steps back from the lewdish scene. The air above her seemed to darken as a black fog leaked into the room. “I do hope you girls have as much fun as your friend Applejack. Until next time.”

And with that the fog swooped into the scene to completely envelope the black unicorn. The foggy mass engulfed her completely before rapidly dissipating, leaving behind nothing. That left the other four ponies to their own devices.

Even after all that, Applejack continued rubbing away, panting with her eyes shut. It was tough to say how long she’d be stuck there, feverishly rubbing herself as her friends watched in shock and awe. One thing was certain however, judging by the brown stain that sagged and bounced with each thrust she made into her diaper, she would need a change very very soon.

Chapter Five

The Padded Shapes of Nightmare
By Scribe Feather

✶✶Chapter Five✶✶

Once again Rarity found herself teleporting to the Canterlot throne room. The guards had long since been reassigned to other parts of the castle, most of them now attending nursery school as per Nightmare Rarity’s orders. The mess involving Evening Sky and, her favorite plushie in the whole world, Lucky Shield had long since been cleaned up from the end of the hall, leaving the rest of the room in its usual pristine order.

Rarity now stood at the edge of Celestia’s red throne, one of two seats that dominated this end of the long, marble covered hall. Before her stretched a regal, red carpet, lined on both sides by thick, marble columns. The early morning sun was filtering through the tall glass windows that bordered the long walls of the room as if marking the beginning of a new era.

Nightmare Rarity took in a deep breath of air and let it out in one big, boastful sigh. Success! Victory! Her plan had finally come to fruition! She then lowered herself onto Celestia’s throne, grinning widely at her latest victory. An entire kingdom under her rule. She gave her diaper a celebratory pat for a job well done.

“Quite the accomplishment! Wouldn’t you agree, Celestia?” She looked down at the white diaper between her legs. The sun shaped cutie mark could be partly seen with the rest of it curving up to her backside. “Even you would have to agree that I’ve utilized my resources quite efficiently.”

She leaned back in her seat, propping her head against the red velvet backboard of the throne. She grinned to herself as she recollected everything she had accomplished. She thought back to that fateful night when the four princesses buckled under her strength. She recalled the looks of terror and fear on the princesses faces as her magic twisted them into nothing more than giant baby diapers. She relished in all those who had fallen under her power. They certainly wouldn’t be the last.

She then placed a hoof on top of her cushioned crotch, giving a little rub as she reminisced further. Armed with her newly transformed diapers, she was able to accomplish so much and indulge in her most lewdish desires along the way. A power of ruling she never thought possible before, but now could never live without.

“This calls for a celebration!” she loudly proclaimed as she leaned a bit forward in her seat.

Her thighs slowly spread apart as urine spread through the white diaper. She could feel the entire thing swell underneath her. Savoring every second, she slowly opened her eyes, peering down at the diaper as a yellowness slowly enveloped its lower half. Her eyes gleamed with intense pleasure. Power and control.

“Ahhh, excellent,” Rarity said with satisfaction as she looked back down at the yellowing diaper. “Well your highness, I am happy to see how absorbent you are. So eager to swell!” She chuckled, giving the soggy diaper a happy pat. “Ah, but how could we forget that your sister held much more when she was used. It’d be a crime not to utilize you all the way!”

With that said Rarity climbed up to her feet, squatting down over the royal seat as her eyes closed. She grunted as her stomach tightened in anticipation. After only a short while, a large load began to push out into the back of the diaper, ballooning out Celestia’s cutie mark print as the soggy padding crinkled and shifted to make room. The semi-firm mess smoothed out any crease in the diaper’s look, bulging out with an unusually massive bulk.

While Rarity soiled herself, something that many would argue being one of the most infantile things one can do, she found sinister pride in it all. Even as her diaper filled with a smelly muck, she happily reminded herself where she was doing it and who she was doing it to. The childish act was looked at as an act of power and superiority and Rarity was more than happy to make a mess of things if it meant domination over the last of the princesses.

Once finished, Rarity took in a big breath of air, wearing the biggest evil grin on her face. She had won. Rather forcefully, she then plopped her squishy bottom onto the throne, moaning loudly as she did. Her body shivered with pleasure as her fresh mess squished and spread all throughout the diaper. Her legs wiggled and the rest of her body tingled with pleasure.

“Wonderful!” she proclaimed, bouncing a couple times on top of the mucky mush that culminated inside her diaper. She even squeezed her back legs together tightly to compress and decompress the diaper. “Such a full diaper!”

A hoof lowered itself on top of her thickly diapered front. She pressed her hoof deep into the swollen gels of the diaper, wedging it deep into her moist sex before slowly releasing it. She then gave it another press, this time squeezing her thighs together to force her hoof even deeper into the diaper. After a few more squeezes, her hoof began to rub deep into the warm diaper’s plastic shell.

She started to bounce on the throne, her hoof digging deeper into her urine soaked diaper crotch. Occasionally she would reach far back to the lumpy rear of the diaper to press and mold the clay like muck farther up her front. Moans echoed off the room’s walls as crinkles and squishes accommodated the naughty deed.

A rhythm was found amongst Nightmare Rarity’s rubs, moans, and bounces. Her back legs wiggled in the air as she balanced on her lower back to have full access to the very back of her diaper. Her panting became heavy, quickly matching the beat of her methodical diaper rubs. The discolorations on the diaper only seemed to grow larger as she mushed and molded the saturated gels inside its plastic shell with each lustful grind.

The pacing quickened as Rarity’s panting became heavier and louder. Her tongue dangled from her mouth as mounting ecstasy chided her on. Her hoof dug in deeper, smushing the bulk of the diaper about as her moist pussy burned with mounting pleasure.

Finally her hooves dug into the diaper one last time, pressing into the urine soaked gels as deep as they would go. The final push over the hill sent her body shivering with intense pleasure as a quick breath of air was hastily sucked into her wide open mouth. A loud, drawn out moan, followed by some hasty panting was all the diapered unicorn could manage as her body shook and her legs wiggled in the air.

Seconds after her orgasm, her tense body became lax and drooped over the edges of the throne. A series of gasps and pants was all she could manage for now. A devilishly happy smile hung on her face as she peered down at the heavily soiled diaper.

“No need to thank me, Celestia,” she chuckled, still a little shaken up from the intense climax, “you’ve performed your duties admirably.”

She spent the next few minutes lazily lounging across the throne, her limbs splayed out every which way as she reveled in the afterglow. Eventually however she pulled herself together and sat up in her royal throne. Her horn began to glow as a simple summoning spell was cast.

In a flash, a guard pony appeared before the throne. His usual golden armor covered most of his pale blue body, but the real life of the party was the large white diaper that was taped around his rump. The diaper was completely white and plain in design save for a single glowing blue diamond on its backside.

The stallion was clearly caught off guard by the sudden teleportation, but that was quickly hidden as best as he could when he snapped to attention. “Y-yes, your highness,“ he stammered over his words, something rather unusual for a guard with his training.

Rarity leaned forward in her seat, shamelessly flaunting her diaper as she gave it a few deep and sensual rubs. “Thank you for showing up so soon,” she grinned, shifting a bit to further squish the messy diaper about, “give me a status update. How has my new agenda taken hold?”

“All th-the guards have dressed in their new uniforms. Just as you ordered.”

“Excellent,” Rarity smiled before having a good laugh, “and what of Canterlot?”

“Security details are being sent out as we speak, your highness,” “new uniforms for the city’s denizens have already be distributed, but there are a few who have resisted the treatment. Some of them are even rebelling against the new mandate.”

“Is that so?” Rarity answered as she idly rubbed a hoof across her diaper’s swollen crotch. “I may have to pay them a personal visit.” She grinned at the thought and shamelessly played with her diaper a little more because of it. A fair amount of time passed before she even bothered looking up and noticed that the guard had something else to add. “Was there anything else?”

“Uhm...Permission to speak freely, your highness?” the guard meekly asked.

Rarity sighed, “granted.”

“Forgive me, princess, but,” he was clearly a little uneasy about what he was about to say. He fidgeted in place for a tiny bit, squeezed his back thighs together, before finally speaking. “I...can’t help but sympathize with those remaining few citizens.”

Rarity leaned forward in her seat a bit as she raised a stern eyebrow. “What?”

“I don’t mean to offend, your highness. It’s just that...I’m not so sure I even need to wear diapers. Not all the time at least. Sometimes...I think I could do without even.”

“Do you not like your diapers?” Rarity leaned forward even more, her puzzled expression morphing into a scowl of disappointment. “Hm, no matter. A little adjustment and you’ll be ready to serve.”

Her horn sprang to life as a light blue aura encompassed the black appendage. The diamond shaped symbol on the back of the guard’s diaper lit up in response, lighting up his backside with its blue glow.

The guard cringed, lowering his head in pain as he was suddenly bewildered by a pulsing migraine. The diaper felt like it was tightening up around him, constricting its pillowy soft interior around him ever so slightly. The pressure in his head only lasted for a minute or two, just enough for his vision to blur slightly.

Finally the pain subsided, releasing both his mind and his lower waist. As quickly as it appeared, all of the guard’s sudden pain disappeared. The glowing diamond on his diaper dimmed shortly after, reverting to its previous state.

“Now then,” Nightmare Rarity smirked, shifting a bit in her seat which inadvertently squished the mess inside the diaper about, “how do you feel about the new uniforms?”

The guard’s eyes snapped forward, staring Rarity straight in the eye. “They’re perfect, your highness,” he answered without hesitation, “everyone deserves to wear diapers as thick and soft as this one!”

“That’s what I thought,” Rarity grinned before leaning back. “You may leave,” she said with a wave of her hoof, “have the captain gather a list of those few who have been...difficult to please.” She paused for effect, glancing down at her diaper, “I’ll be sure to see to them personally.”

“Right away, your highness,” the guard said before bowing and quickly waddling out of the room.

Rarity leaned back with a triumphant smile on her face. She proudly gazed upon the throne room. HER throne room.

“Oh yes,” she quietly laughed as a hoof rubbed the Celestia diaper, “I’ll make sure they all see...”

Chapter Four: Pinkie Pie

The Padded Shapes of Nightmare
By Scribe Feather

✶✶Chapter Four: Pinkie Pie✶✶

Rarity’s eyes fell upon the pink pony who struggled to have that big bright smile she seemed to always have. “Ah Pinkie Pie, who better to enjoy my generous gift than a pony who just LOVES gifts!”

Pinkie crossed her front hooves and shot her nose into the air, “no, I won’t do it!”

Rarity frowned, “you’re not always so grumpy.” The Twilight diaper floated down as she continued, “I think you’ll change your tune once you realize how much fun it is to wear diapers again!”

With a glow of her horn, Nightmare Rarity lifted Pinkie into the air and gently flipped her onto her back into the usual diaper changing position. This aerial somersault caught Pinkie completely off guard, causing her to let out a little involuntary giggle. The laugh lasted for only a second or two before she quickly controlled herself and went back to pouting.

Rarity noticed of course and continued the diaper change as per usual. Keeping Pinkie in the air, she weaved the diaper up underneath the pink pony’s rump. She occasionally rocked her about like a swing, soliciting another tiny giggle from Pinkie. It was as much of a game as it was a simple diaper change.

Pinkie Pie let out a quick giggle once the diaper was securely fastened around her waist. The soft plastic leggings of the garment brushed against her thighs, tickling her in just the right way to make it quite difficult to not stir a response. Feeling such snug softness was enough to permanently pull her out of that grumpy pout she tried oh so hard to keep up.

“You see? Diapers aren’t so bad,” Rarity devilishly grinned, “why even I’m wearing one!” She wagged her padded butt in front of Pinkie, the sun shaped cutie mark on its back was briefly flashed. “Now we match!”

Pinkie looked between her legs, “well...I guess they are kinda soft!”

“They are, aren’t they,” Rarity laughed, “and Twilight being your diaper is just icing on the cake!” Her horn began to glow oh so subtly as she continued. “Why, just before Twilight turned into a diaper, she begged me to give her to you.”

A subtle blue twinkle illuminated Pinkie’s eyes as she giggled a little bit more. “...Really?” she answered, oddly convinced, “she really wanted me to wear her?”

“But of course! She wanted her bestest best friend to have as much fun as she’s having!”

Pinkie hopped to her feet and bounced in the air with a grun, “wow, I do like fun!”

“Stop this, Pinkie!” Applejack loudly exclaimed, “don’t you see what’s happening?! She’s making you think all this!”

“Quiet!” Rarity snapped, shutting Applejack up with a quick muffling spell. She then turned her head back to Pinkie and spoke so deceptively nice. “You don’t need to listen to any of them. They’re just jealous Twilight’s not their bestest best friend. They don’t want you to have fun with Twilight.”

“I...I like having fun...” Pinkie parroted.

“Why don’t you show us how much you love having fun? Why don’t you show the WHOLE TOWN how much you love having fun!” Pinkie eagerly nodded as her magical shackles faded away. “Then run along!” Rarity happily exclaimed, “go out there and have as much fun as you can with your new diaper!”

“Yeah! I will!” Pinkie bounced and shouted, her new diaper crinkling up a storm with each move she made. Then, in one pink blur, she zipped out of the room, likely to have oh so much fun with her new diaper. There was no telling how many games she could play with her bestest best friend. Sure Twilight was a diaper, but that just meant she needed to play foalish games so Twilight wouldn't feel left out!

That left Nightmare Rarity alone with the rest of the group. “It would seem you three have a Pinkie to catch,” she chuckled as she released the rest of the group from their bindings, “I would hurry up if I were you. Wouldn’t want Pinkie to get ahead of herself and start inviting ponies to a late night diaper party!” A fog began to loom over her as a sinister glow illuminated her silhouette. “Who knows, maybe I’ll even get an invitation,” she happily mused to herself, “until next time, everypony.”

And with a final sinister laugh, Nightmare Rarity disappeared, leaving the others with a hyperactive Pinkie Pie to track down. There wasn’t even a guarantee that they would be able to slow her down, let alone stop her from playing her foalish games with the rest of the town ponies.