Izzy's "Little" Secret

by SuperPinkBrony12

Rating: mature
Tags: My Little Pony: A New Generation, Other, Sunny Starscout, Slice of Life, Izzy Moonbow, Fetish
Length: 7209

(Warning!: Contains diapers, diaper usage and AB/DL themes, reader discretion is strongly recommended!) Izzy has a "little" secret that she tries to keep hidden. And that secret is, she likes to be a big foal. What will happen when Sunny finds out?

(WARNING!: Make no mistake about it, this IS a padded pony fic! And as such, it WILL contain content that some viewers may (and probably will) find disturbing. If such material is at ALL outside your comfort zone, then please click elsewhere and do not, I repeat, DO NOT READ! You have been warned! Rated Mature for fetish material, though content should be mostly PG-13. Other tag is for (Spoilers!): A brief appearance by and mention of Alphabittle.)

Everypony has secrets or so they say. Some are big and some are not so big, but everypony has them. Izzy is no exception.

In Izzy's case her "little" secret is one that most ponies might not suspect: She likes to be a foal, a big foal at that. It involves a rather in-depth process and an entire mindset to go along with it.

But one day, Izzy's secret will "accidentally" be discovered by none other than Sunny Starscout, the first friend Izzy ever made. What will Sunny have to say when she discovers this new side of Izzy? And will it affect their friendship?

Published 2022-05-02 15:20:02 UTC
Last updated 2022-05-02 15:20:02 UTC

This Is How A Unicorn (Age)Plays

Author's Note

(WARNING!: Make no mistake this IS a padded pony fic! And as such as it will contain content that some readers will find disturbing! If you are uncomfortable with the idea of ponies in diapers, please click elsewhere and DO NOT, I repeat DO NOT READ!

For those who choose to stay, expect to see the following:
Diapers - Heavy
Ageplay - Medium to Heavy
AB/DL Themes - Medium to Heavy
Diaper Usage (Wetting) - Light to Medium
Diaper Usage (Messing) - Light
Implied Diaper Usage (Wetting and Messing) - Light)

I'm kind of surprised there hasn't been an official padded fic featuring Izzy yet, even though there's been a fair bit of padded pony content for G5. Oh well, guess I'll just be blazing the trail then.

I know Sunny/Izzy is a pretty popular fandom ship, but this is purely a friendshipping thing here. Seeing as I already did a fanfic involving a pre-existing relationship, I wanted to do one involving an established friendship.

This Is How A Unicorn (Age)Plays

For Izzy, it was just another glorious day in Bridlewood. Every day had been like that since magic had returned to the enchanted forest (and the jinxies had gone away too). It was funny to think now that there had ever been a time when magic didn't exist, when it was considered taboo and forbidden to even speak of it unless you wanted to be forever cursed with "the jinxies".

But that wasn't really what was on Izzy's mind as she strolled through Bridlewood with a chipper smile on her face. Her sparkle was extra sparkly today and for good reason. Usually, she was making a journey out to Maretime Bay to visit Sunny, or traveling up to Zephyr Heights to visit Zipp and Pipp. But not today. Today was a day to stay in Bridlewood, a day to spend doing something she really wanted to do. Something she'd done a few times in the past whenever she'd found the time.

It wasn't long before the unicorn reached the teahouse that doubled as a more or less community center. It was the place to go when you wanted to know what was happening in Bridlewood. She immediately strolled inside and made her way up to the counter.

"Good morning, Izzy." Alphabittle cheerfully greeted while using his magic to dust off his puzzle cube.

"Good morning, Alphabittle," Izzy greeted in reply as her smile didn't falter or fade in the slightest. "Is my package available?"

"Oh, that," Alphabittle commented as he ceased in his dusting off for a moment, looking towards the back. "It should've. Feel free to take a look. Just, you know, try not to make too much of a mess of things."

Izzy gave a salute and rose from her seat to go look. "Don't worry, Mr. Alphabittle, Sir. I'll make sure to put everything back the way it was when I'm done." It didn't take long for her to find what she'd come to the teahouse to look for. It was an innocent looking and inconspicuous brown colored package, just like any other package really. She happily scooped it up with her hooves and returned to the counter, plopping down several bits.

Alphabittle happily accepted them, but returned about half of the coins to his "customer". "Just a little discount for the filly," He chuckled with a knowing wink. "You sure you got everything you need, kid?"

The young mare nodded. She didn't even need to check the package, she could tell just by the weight of it that it did indeed have everything she'd need. "Yup. Thanks a ton, Alphabittle!" She hugged him and then turned to leave.

Before Izzy was out of earshot, though, Alphabittle whispered to her. "My offer still stands."

Izzy only whispered back. "Thanks, but I'm good." And then she left with her package, happily skipping along as that smile of hers grew brighter and brighter by the second.

The unicorn stallion could only chuckle to himself as he watched his favorite customer depart. He was the only one Izzy trusted with her secret, she hadn't even told her friends. He knew what was inside that package she'd just picked up. But he'd never tell if anypony asked, that would be bad for business. Still, he thought to himself. "It's no surprise she would have this interest. She's always been like a kid who never grew up." Maybe one of these days she'd feel confident enough to take him up on his proposal. But until then, he would respect her wishes and leave her to her own devices.

Izzy quickly made her way back home. She could hardly wait to open that package and lay eyes on its contents even though she already knew what they were. It took every ounce of willpower she had not to rip it open right on the spot.

At last, the young unicorn reached her house. She pushed open the door and made her way upstairs to her bedroom. Then and there, she set the package down on the floor. Finally, she could open it! Anticipation coursed through her veins, her sparkle was so sparkly it was a miracle her horn didn't develop a mind of its own!

So Izzy clumsily ripped open the package, reducing the brown wrapping to little scraps and shreds until finally its contents spilled out onto the bedroom floor. "Oopsie," She giggled to herself. "I gotta learn not to do that every time. Silly me."

Oh well, the contents were now exposed and Izzy couldn't contain her excitement as her brilliant purple eyes widened to the size of dinner plates! Everything was just as she'd ordered, right down to the tiniest detail! Various colored rattles, foam alphabet blocks and all sorts of toys one might expect a toddler to play with were the first thing to catch Izzy's eye. They looked just like the toys she remembered having as an actual foal, except they were clearly sized up. Unless one were looking after a really big toddler, they most certainly wouldn't think these toys were meant for an actual toddler.

The next thing Izzy's eyes were drawn to were an assortment of different colored pacifiers, some of them even having butterflies or cute pink hearts on them. And they were all big enough to fit into her mouth. There were also some jars of different varieties of foal food, perfect for a snack or taking care of a serious case of the munchies. And there was an entire canister of foal powder, a tube of rash cream and a box of lavender scented wet wipes.

But the true show stopper (at least as far as Izzy was concerned) was a large plastic box in colorful shades of green and yellow. She happily opened it without hesitation, revealing that it was filled to the brim with thick, white triangle shaped objects. There was no mistaking what they were: They were diapers!

But these weren't your average, every day kind of diapers. Oh no no no. These diapers were special, they were a custom design. They had rainbows, hearts, butterflies and all sorts of other cute things printed on them to serve as wetness indicators. They also had beautiful removable tapes in shades of pink and blue, just like her coat and mane. And they even came with their own leak guards that blended in almost perfectly with the diapers themselves.

In short, everything that lay before Izzy were all the supplies one would need to care for a big foal. And Izzy was that big foal. A little one, or an "adult foal" as they apparently called it. The unicorn didn't really care what it was called, she just knew she was one of those. She'd already done this a few times before and it had been so much fun! This time would be no exception.

So the unicorn grabbed one of the diapers from the open box and unfolded it, taking notice of how soft it felt in her hooves. She proceeded to lay down on her bed as she pulled the diaper up between her legs, letting her rear slowly sink into the absorbent pillow-like object. Once she was certain it was on properly, she pulled the tapes over her stomach and fastened them. Then she stood up, noticing how the diaper was nice and thick, thick enough to push her legs apart and give her movements an adorable waddle.

And that was just the beginning. Izzy then grabbed the foal powder and used a hoof to pull back her diaper, sprinkling in the powder until she felt she had enough. She had to be careful not to use too much, otherwise she would spill. As the scent of cornstarch reached the unicorn's nostrils, she bent down and picked up one of the pacifiers. She found herself drawn to a pacifier the same light pink as her coat, and popped it into her mouth as she started to suckle on it. The taste of the rubber bulb was so delicious and so comforting!

With the diapering job and her new foalish look now on full display, the mare gathered up the rest of the foal supplies and put them away underneath her bed. Well, except for the jars of foal food since she picked them up and carried them downstairs. That way they would be nearby when feeding time inevitably came around.

Now there was nothing left for Izzy to do but relax. She didn't even feel like playing with her toys right now. She just sat down on her padded rump, watching it compress and crinkle as her butt sank into the diaper's seat. "This is the life." She spoke through the pacifier, giggling at how it muffled her words and made it sound like she was talking in a lisp.

Just then, the door unexpectedly swung open! In trotted Sunny Starscout who had no idea what she was about to see. "Hey, Izzy," She called as she entered the unicorn's house. "Just thought I'd stop by and see if-" But the rest of her sentence was cut off when her eyes took in a sight she would never have expected to see.

In front of Sunny was Izzy, just lying there on the floor without a care in the world. A pacifier the same light pink color as her coat was in her mouth, bobbing up and down in a steady rhythm as she seemed to be suckling on it. Yet that wasn't what Sunny was currently fixated on. No, what really drew the earth pony's wandering eyes was the unmistakable thick, white, poofy diaper in all its custom print glory as it was currently taped around the unicorn's butt. She tried to think of something to say, but nothing would come out. What could she say? What should she say?

The silence was ultimately broken by Izzy as she slowly got up from her seated position and popped the pacifier out of her mouth (causing it to dangle from a string that Sunny had just now noticed hung around the unicorn's neck) . "Oh, Sunny," She commented in a tone of voice that didn't sound the least bit concern. "What a nice surprise. Usually I'm the one doing the surprising," She then giggled and seemed to blush a bit, though whether it was sincere or not was hard to tell. "Looks like you found out about my little secret. Get it, my little secret?"

"I-Izzy," Sunny finally spoke up, the words were slow to form in her head. "I... I didn't know about... this. I-I'm sorry. I guess I should've knocked or something. It's just... the door was unlocked so I thought you might be expecting me."

Izzy just smiled, swishing her tail a bit but not trying to block the view of her diapered bottom. "Hey, it's okay. It's my fault for not locking the door. It's almost like I wanted somepony to find out about this. Well, somepony who's not a unicorn anyway."

The earth pony nearly let out a gasp as that information was processed in her mind. "Alphabittle knows about... this?"

"Well duh, of course he does!" The unicorn mare chipperly proclaimed as she took a step forward. "Kind of hard not to have him in the know when he's the only one who sells diapers around here. Not a thing goes on in Bridlewood that he doesn't know about. But he's definitely a lot nicer now that magic's back. He's even offered to be my caretaker a few times, but I've turned him down."

"Wait, 'caretaker'?!" Sunny exclaimed as her eyes widened in disbelief! "You mean, it's not just diapers?"

Izzy shook her head. "Nope. Diapers are just the best part of it. It's an entire process in which I act like a foal! A big foal, mind you, but still a foal!"

Sunny reluctantly and hesitantly inquired. "So does that mean you actually-?"

The unicorn willingly confessed. "-Sometimes I do, sometimes I don't. Depends on how little I feel, really. It kind of would be nice to have somepony else take care of me and do all the things you do with a foal. But doing it by myself isn't bad," She continued to trot forward until she was almost snout to snout with her earth pony friend. "I'm actually kind of glad you found out about this. It was getting hard to think of reasons why I couldn't hang out with you and the others."

"I see," The earth pony mare slowly commented in uncertainty. "I guess I could cover for you from now on, if you want me to. Or, were you thinking of telling everypony about this?"

Izzy shrugged her hooves as she just commented in an unconcerned tone of voice. "I don't know how I feel. You can tell them if you want to, makes no difference to me. I'm just glad you're okay with this. This is a lot to take in."

Sunny appeared to smile ever so faintly. "Maybe it is, but it's not like I don't know what it's like to do something other ponies don't understand. My whole fillyhood was spent growing up on my dad's stories of what Equestria used to be, and everypony made fun of me for thinking that earth ponies, unicorns and pegasi could ever be friends," She then whispered. "Besides, Sprout used to wet the bed all the time when he was a colt. But don't tell him I told you, he's still embarrassed about it."

Izzy said nothing, she just grinned.

"Well," Sunny said after a moment or two of silence. "Guess I'll just... come back some other time then. Sorry for disturbing you, Izzy."

Yet the unicorn immediately threw up a hoof to protest. "Wait, you don't have to leave! You can stay if you want to."

The earth pony turned around, again locking eyes with the unicorn. "You sure you want me to? I can come back another time, Izzy. It's no problem, really. You... obviously want to be alone when doing... what you're doing."

Izzy just smiled, her diaper crinkling as she shook it. "I don't mind having you around, Sunny. You can just watch, or even join in if you'd like. I don't know if my diapers will fit you perfectly, but you're welcome to try."

"I don't have to..." Sunny gulped, unable to bring herself to say what was on her mind.

The unicorn with a light pinkish coat just flicked her mane and reassured her friend. "Of course not. You don't have to do anything you're not comfortable with. You can just use the bathroom, and you can take off the diaper at any time," Then she popped her pacifier back into her mouth. "In fact, you don't even have to put on a diaper to play with me. Just stay here, I'll go get the toys!" And she bounced away, causing small tufts of foal powder to billow out like a little cloud.

Sunny Starscout, for her part, just trotted over to the kitchen table and sat down. As she did so, her eyes happened to spot the jars of flavored foal food that had been left sitting on a nearby counter. A few vague memories flashed in her mind as she could remember her dad and even sometimes Phyllis feeding her similar stuff, and more often than not she'd protested and said the stuff tasted "icky". But it always ended up in her mouth one way or another.

Being quite curious, Sunny rose from the table and retrieved a small metal spoon. She then trotted close to the nearest jar and unscrewed the lid, dipping the spoon into it. She brought it close to her mouth, noticing that it had a yellow colored texture to it. It didn't look very appetizing to her, but looks could be deceiving and there was only one way to know for sure. Hesitantly, she brought the spoonful of colored goop to her mouth and placed its contents on her tongue.

The earth pony mare was almost overwhelmed by how sweet the food really tasted. It had a lovely banana flavor to it.

"Wow, Sunny!" The familiar voice of Izzy exclaimed at that very moment! "I didn't know you were that hungry. You could've asked, I have some regular food in the fridge."

With an eep and a raging blush on her cheeks, Sunny Starscout turned around ever so slowly and spotted Izzy holding aloft in her magic several foam alphabet blocks, colored rattles and a variety of squeaky toys that loosely resembled construction tools. "Sorry! I didn't mean to!" She hastily apologized to her host. "I just... remembered eating that stuff as a foal and... I guess something in the back of my mind told me I had to try it."

"Oh I know!" Izzy exclaimed as she set the toys down on the floor, the pacifier again dangling from her neck. "Trust me, that's one of the best parts of playing a foal. Nothing tastes sweeter. But it's also fun to act like you don't like it, or to just eat it right out of the jar with your hooves. After all, foals don't know how to use silverware."

"Oh, right." Sunny commented as she set the metal spoon down and screwed the lid of the jar back on.

Izzy then motioned to the toys she'd brought down with her as she carried them to the living room, and then sat down on her diapered rear once again. "So, Sunny, what do you feel like playing with?" She asked before plopping the pacifier back into her mouth again.

The young earth pony eyed the wide assortment of foal toys carefully, her sea green eyes scanning over them as she tried to think about what would be best to play with first. In contrast to her earlier hasty decision, she was now almost paralyzed with indecision.

Perhaps sensing the conflicting and troubled feelings of her friend, Izzy decided to take the lead by offering up some of the alphabet blocks and some of the squeaky toys. "Let's build a house!" She lisped through her pacifier. "Or maybe a tower! You lay the foundation, I'll work on building it up."

Sunny nodded in agreement without saying a word. She took a few of the alphabet blocks and brought the hammer close to them, pretending that she was using an actual hammer. The immersion was broken every time though by the toy hammer's constant squeaks.

Izzy didn't seem bothered at all. She just squeaked to her heart's content and stacked blocks together with no thought as to where they should go. Sometimes she placed them on top of Sunny's blocks, other times she stacked them together all on her own in a separate pile. And all the while, her diaper continued to remind everypony of its presence as a faint crinkle could be heard over the cacophony.

Eventually, the last of the blocks had been placed and there was no way to get any more. Izzy had managed to build a fairly impressive tower, probably helped by the fact that she'd taken so many blocks while Sunny was still deciding what to do with her own.

Yet Sunny watched as Izzy "accidentally" swung her tail and made the whole tower topple over, sending alphabet blocks tumbling to the floor again. Then she lay on the floor as her padded butt stuck up into the air. "Oopsie! Clumsy me!" The unicorn giggled but didn't move an inch.

"Are you okay, Izzy?" Sunny Starscout nervously asked as she witnessed her friend's apparent helplessness.

Izzy just winked and nodded as she crawled across the floor. "Oh yeah, I'm totally fine," She spoke as if she had experience talking through a pacifier (which she probably did). "I just like to do this sometimes. It helps me get more into 'the zone'."

That made the earth pony mare with her light orangish-brown coat blink in confusion. "'The zone'?"

"Yeah!" Izzy replied, and then popping the pacifier out of her mouth again she explained. "It's a part of the process. It's not enough to look like a foal and feel like a foal. I have to actually act like a foal. How much of a foal that is varies from day to day. Sometimes I'm like myself just a little bit younger, and other times I'm almost like a newborn that can't even walk or talk. Today's one of my 'In between' kind of days. In some aspects I'm a big little one, and in others I'm a little little one. I find that's where I tend to have the most fun. Being as big or little as I wanna be."

"I see," Sunny commented as she then watched her unicorn friend slowly stand up. "So, what else do you like to do when you're like this, Izzy?"

The unicorn smiled. "Well, right now I'm getting kind of thirsty. And for foals, there's only one thing to give 'em when they get thirsty. A bottle of milk!"

"Oh," Sunny replied with a slow blink as she too got to her hooves. "Do you want me to heat you up a bottle or something? I mean, do you even have a bottle?"

"No, I have several bottles!" Izzy explained as she began to waddle her way over to the kitchen. "And you can make me one if you'd like. Whatever makes you happy and makes you sparkly and tingly on the inside."

The earth pony thus agreed. "Okay then. I guess I'll make you that bottle. Just have a seat." And she watched as her padded friend obeyed without question.

Although she wasn't particularly experienced with making bottles for foals, Sunny made one for Izzy as best she could. She retrieved a glass baby bottle from a drawer (one of several, she quickly noticed) and got out a carton of milk. She carefully poured the milk into the bottle and then put the milk carton back in the fridge. From what little she could remember, she knew that it was best to heat up a bottle in boiling water, so that's what she did.

Once the earth pony mare was certain the milk was warm enough, she brought it over to her diapered friend as the unicorn sat at a seat at the kitchen table (the diaper making her legs appear to dangle off the edges of the seat). "Here you go, Izzy. One bottle of milk, just for you."

Izzy quickly snatched the bottle away with her own hooves, placing its rubber nipple against her lips as she started to suckle down its contents lightning quick! In the blink of an eye she'd downed the whole bottle, giving her face a nice milk mustache in the process. Then she leaned back in her chair and let out a burp. "Excuse me." She playfully giggled, before getting up from her chair to retrieve a paper towel to wipe off her face.

"So, how was the bottle?" Sunny asked afterward, hoping she'd done a good job.

The unicorn smiled. "It was the best bottle I've ever had! And I've had a lot of bottles I've thought were the best! But yours was definitely the best! No bottle could ever compare to yours!" Then she made her way over to the jars of flavored foal food. "Now it's feeding time!"

Sunny smiled back. "Want me to feed you too?" She offered even though she wasn't sure how "cooperative" Izzy would be.

Izzy happily replied. "Nope, I'm good. Maybe next time. Or maybe if I share the secret with our other friends, I'll let one of them do it. Might actually be fun to see how well Zipp or Pipp do it, maybe pegasi do it differently from earth ponies or unicorns." She proceeded to scoop up the jars and carry them back to the chair she'd sat in earlier (without bothering to retrieve a spoon of any sort, Sunny noticed).

The earth pony mare occupied herself by retrieving her own food from the fridge. And when she came back to the table to enjoy the delicious salad she'd prepared for herself, she could hardly believe the sight she was seeing before her very eyes.

There was Izzy greedily devouring the contents of the jars without a care in the world! She didn't even need a spoon, she just stuck her front hooves into the jars as she saw fit and licked the colored goop from each jar off her hooves. It wasn't long before she was combining flavors as a result, and getting traces of the goop all over her face. If Pipp saw this she would be utterly appalled at the lack of table manners Izzy was displaying, diaper or no diaper.

But Sunny wasn't bothered. She'd seen far messier eating from other ponies (particularly Sprout, and even sometimes Hitch when he was enjoying donuts: Which had led to Sunny and Sprout teasingly calling him "Donut Lord") and her friend was clearly enjoying herself. The lack of table manners wasn't hurting anypony, so why should the earth pony complain?

As Izzy kept on feeding herself, a faint hissing sound could be heard even over the sounds of a unicorn sloppily eating.

By chance, Sunny happened to look down at Izzy as the hiss was heard, and she thought she saw a faint dark patch on the seat of the diaper. When she looked again, her eyes knew they weren't seeing things as the dark patch was not only present but was growing by the second.

Izzy simply smiled, apparently unconcerned about what she was doing. She just leaned back in her chair and sighed, until finally the hissing stopped. "Ah, much better." She declared without a care in the world. It was as if she had no idea what she'd just done in her diaper.

Nervously, Sunny Starscout decided to bring it to the unicorn's attention. "Uh, Izzy? I think you just..."

But Izzy clued in fast to what her friend was trying to tell her, looking down at herself as the unicorn just giggled. "-Oh, I guess that bottle of milk went right through me. It always does, it seems. But that's what the diaper's for. Can't be leaving puddles everywhere."

"Doesn't that bother you, Izzy?" Sunny questioned with concern. "It must be unpleasantly damp."

The unicorn only grinned. "Nah. These diapers are super absorbent! Trust me, they can hold a lot more than that!"

"You're not going to change?" Sunny asked in apparent disbelief.

Izzy shook her head once more. "Nope. Not yet anyway. Why waste a perfectly good diaper? Why do you think I have them custom ordered? The cheap store brands aren't anywhere near as absorbent as these! These are top of the line, high quality adult foal diapers! They're built to last." She patted her diaper to demonstrate the fact, all the while the dark, damp patch slowly receded as the padding soaked up every drop like a sponge.

"Oh, I didn't know that," Sunny commented in equal parts amazement and shock. She'd never known it was possible to have diapers like that. Even the "night time protection" brands Sprout had worn as a colt were nothing like the diaper Izzy was wearing now. Even Sprout's weren't as thick and absorbent, and they certainly weren't full of patterns and prints that faded when wet like the rainbows and hearts on Izzy's diaper were.

The unicorn mare only chipperly declared in response. "Well, you do now. And I made sure to use enough foal powder so I don't have to worry about a rash. Trust me, those are anything but fun."

"So I've heard," The earth pony commented, right before she felt a faint twinge in her bladder and crossed her legs. "Not to change the subject but I kind of have to go. You know."

Izzy gestured a hoof. "The bathroom's just down the hall, third door on your right. You can't miss it."

"Thanks! Be right back!" Sunny declared and practically ran down the hallway at a speed that could've rivaled Izzy's when she was at her most cheerful.

Izzy, for her part, didn't wait for Sunny to come back from the bathroom. She had plenty of time to play on her own until her friend returned, and the padded unicorn was going to make the most of it. Maybe she'd be able to beat her old record for the most blocks stacked on top of each other. She would've beaten it last time if she hadn't lost her balance and fallen on top of her tower.

So the unicorn quickly washed her hooves in the kitchen sink. Then she strutted back to the living room and sat down, gathering up all the foam alphabet blocks and bringing them close to her. For good measure, she popped the pacifier back into her mouth yet again. In the back of her mind she made a mental note to set it aside for a good cleaning later on, it wasn't good to keep suckling on the same pacifier all day long (no matter how tempting it might be to do so).

Time seemed to slow to a crawl as Izzy carefully stacked block after block after block on top of one another, watching as her creation got bigger and bigger with each block she successfully placed. She was so close to beating her record! Sunny was going to be so impressed.

Yet just as the diapered mare stood on the tip of her hooves to place the block that would surpass her previous record, she felt it: A subtle shift in her gut. Almost as if on cue, her stomach started to gurgle and rumble. And she knew it wasn't because she was hungry. But Sunny hadn't come out of the bathroom yet, and it would be rude to barge in on her. Besides, it's not like Izzy hadn't done that in her diapers before.

So the unicorn with a light pink coat carefully placed the block on the top of her tower, marveling briefly at how it stood there with no trouble. Then she stood up, heading upstairs to where she kept all of her changing supplies. She knew she was going to need them.

As Izzy made her way up the steps, she not so subtly began to push as her legs began to spread out even more. As if operating on instinct, her tail hiked upward as she pushed some more. By the time she'd gotten up the last step, the pressure left her entirely as her gut and stomach felt "empty" while her diaper felt "full". A faint but growing odor tickled her nose, overpowering the scent of cornstarch as it was replaced by the smell of manure.

"Uh-oh, I made a stinky! Silly me," Izzy thought to herself in the most childish and foalish way imaginable. "Guess I need more potty training. Oh well, better my diaper than the floor." There was nothing left to do now but clean up and get changed. She even had her own diaper pail just for such occasions as this.

Soon, the stinky unicorn had gathered everything she needed for her impending diaper change: The lavender scented wet wipes, the bottle of foal powder, the rash cream and of course a fresh new diaper. Nothing left to do but carry out the change itself, the most difficult part of the process. Good thing she'd done it all before.

Rolling out an old, dusty and dirty rug, Izzy carefully lay down as she set the changing supplies down next to her. "Alright, let's get this over with." She said to herself while popping the pacifier out of her mouth, and then set to work on the changing process. Slowly and carefully, she undid the tapes on her diaper and opened it up as she let it fall.

The smell might have made an unprepared pony flinch, but it didn't bother the unicorn as she set the old diaper aside for disposal later. In a somewhat clumsy fashion, she moved the wet wipes back and forth over herself until she was certain her coat was spotless again. Then she taped herself up into a new diaper and sprinkled in a heaping helping of foal powder. "Better safe than sorry." She said to herself, delighting in the infantile scent of cornstarch as it now overpowered the stench of manure. For good measure, she worked in a bit of the rash cream. Then she dropped both her used diaper and the used wet wipes into the diaper pail.

Izzy then pressed on the pail's pedal and picked up the bag inside of it, sealing it tightly to block out the smell. Freshly changed, she grabbed the bag with her hooves, and made her way back down the stairs and out the door as she headed around back to where the trash was stored. She deposited the bag alongside the others and came back inside. Now all that remained was to wash her hooves, which she quickly took care of as she ran back upstairs: Relieved that she'd remembered to install a separate sink specifically for times like this.

With the change complete, Izzy headed back downstairs again and stood in the hallway just in time to see Sunny emerge from the bathroom. "Oh, I'm sorry, Izzy," Sunny apologized when she saw her friend. "Did you need to use the bathroom to get changed?"

"Nope, already took care of it myself!" Izzy boasted before showing off her new diaper. "Tada! Clean as a whistle! Fresh as a daisy!"

"Wow! That was fast!" Sunny exclaimed in amazement, before she realized something. "Oh, of course it'd be easy for you. You have magic now."

But the unicorn quickly replied. "Didn't need it. Did it the old fashioned way."

"Really?" The earth pony mare commented in utter astonishment. "Wouldn't that be kind of..." She struggled to think of how to put what she wanted to say as nicely as possible. Ultimately, she settled for "...Messy?"

Izzy's expression did not change as she just declared. "Maybe if it was my first time doing it, but I've been doing it since before magic came back to Bridlewood. It just feels right to do it the way my parents had to do it. They didn't have magic to help them when they changed my diapers, so I'm not gonna use it just to make things easier. I'd only use it if I didn't have time to do it all by hoof."

Sunny Starscout was absolutely amazed to hear her unicorn friend's comment. "I just assumed that once you got magic back, you'd want to use it all the time."

"Well, maybe for other unicorns, but I was never bothered by a lack of magic," Izzy explained. "Just made things more interesting. Besides, I'm still learning. Better to use my hooves when I know they can get the job done."

"I guess so," Sunny slowly replied and sniffed the air, amazed by the scents that greeted her nostrils. "Wow, you must've used a lot of foal powder! And do I smell lavender?"

"Yup! Just like your sparkle!" Izzy told Sunny as she booped the earth pony's nose. "And my sparkle too. I mean, I never really thought about what it might be like, but lavender works just as good as anything else. And nothing makes me feel more sparkly and happy than when I'm doing this!"

Sunny nodded in agreement. "I can see why. If I'd known about things like this sooner, I think I might have become interested in it like you did," And that prompted her to question. "What was it that made you take such an interest in all these... foalish things, Izzy? Was it because of your foalhood?"

The unicorn put a hoof to her chin, deep in thought. "I don't really know. I guess I never thought about it. It just came to me one day and I knew I had to try it. And I always felt different from other ponies, even as a foal. Everypony else was always so gloomy but not me. I didn't really care about magic or the jinxies, it all seemed silly to me. All I knew was that Bridlewood could be a whole lot better if everypony stopped being unhappy all the time. And when nothing I tried could get ponies here to change their ways, the next best thing I could think of was to come to Maretime Bay to see the friends I was told I had there."

"So you were doing this even before I met you?" The earth pony mare questioned in surprise.

"A little bit," Izzy willingly confessed. "But it sure was a lot easier getting all the supplies and finding the free time after we brought magic back to Equestria," Her smile grew wide again as she locked eyes with Sunny and said to her. "Thanks for being so understanding about all of this. I mean, it wouldn't bother me if you weren't, I'd understand if you thought it was weird or anything. I know it's a lot to take in. But at the same time I kind of like the idea of having a secret and having you find out about it. Kind of makes us more like friends."

Sunny simply smiled back. "Well, I won't tell anypony if you don't want me to tell them. It's your secret, so it should be your choice," Then she sought to reassure her diapered friend. "But if you do decide to tell somepony and they don't understand, you'll still have me. And you know what?"

"What?" Izzy innocently asked.

"I think you look pretty cute in a diaper," Sunny told the unicorn. "Not sure why, you just do. If anypony was going to have a secret like this, it would definitely be you."

The unicorn couldn't contain her happiness any longer! Without warning, she rushed forward and tackled Sunny into a huge hug! "Oh, Sunny! You're the best friend I could've ever asked for! I don't know how I ever lived my life without having a friend like you! I really mean it!"

The earth pony just smiled even as the hug tightened and she found herself struggling to move. "I-it's nothing, really. I'm glad our friendship means so much to you," She replied. "Although, could you maybe ease up on the hugging? Just a little? It's kind of getting hard to breathe."

"Oops! Sorry!" Izzy blushed once more as she slowly ended her unintentional killer hug, allowing her friend a much needed chance to catch her breath.

The rest of the day passed by in a blur for both mares after that. Izzy noticing how Sunny slowly but surely became more sure of herself around Izzy, even at times starting to slip into the roles of caretaker and playmate as needed.

Of course, Sunny couldn't stay forever. Eventually, the time came for her to leave. Though before she did she gave one last look to the padded unicorn, almost like she was taking a mental snapshot or something. "Guess I'll see you around, Izzy," Then an idea came to her. "You know, maybe you could bring all your supplies over to my place sometime? It'd be like one of our sleepovers, except you'd be wearing a diaper of course."

Izzy (who was in the midst of stacking alphabet blocks again) just turned to look at Sunny as she said in her chipper tone of voice. "I'll think about it."

"Okay, just let me know if you make up your mind," Sunny replied before giving a knowing wink. "And your secret's safe with me, Izzy. I guess now it's our little secret."

"Yeah, it is." Izzy giggled and shared a laugh with her fellow mare, then watched as said fellow mare departed without another word.

Alone once again, the diapered unicorn was left alone with her thoughts (not that she minded, she enjoyed having the quiet time to think to herself). Today had been a rather unexpected day, but unexpected in a good kind of way. She was already looking forward to the next time she could share this with Sunny, with or without the earth pony as caretaker or playmate. It was just more fun to do things like waddle around in a diaper when somepony was watching, even though it was still fun to do those things on your own.

Izzy started to think to herself as day began to turn to night (meaning it would soon be time for her to go to bed, or "go night night" to put it foalishly). "Maybe I'll take Alphabittle up on his offer the next time he proposes it," She thought to herself as she paused in her playing, preparing to head to the kitchen for dinner. "Although, I wonder how much he really knows about my secret. I guess I could always ask him. It's only fair, I wouldn't want to make him do something he doesn't want to do."

Those were thoughts for a different time and place, however. Sometime far in the future. For right now, Izzy was content to just keep doing what she was doing. Except maybe this time she would remember to use the potty when she had to go. After all, she only had so many diapers and diapers weren't exactly cheap. She had to make the ones she had last, otherwise she'd be going through an awful lot of bits really fast (even with the discounts Alphabittle was kind enough to keep giving her).

Izzy then finally set her pacifier down to be cleaned. She would do that right after she helped herself to a most yummy dinner. And then hopefully, after cleaning her pacifier, she would have a little bit more playtime before inevitably it would be time for bath and bed. She may have already set a new record, but the padded unicorn was hoping that she could beat it and set a second record in the same day.