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"Umm, I have to wait here?" Sierra blushed, all of her professional clothing and big girl panties doing nothing to keep her from feeling nervous as she looked at the line of chairs outside the principal's office, recalling all the time she been in very similar places in the past. Most of those visits hadn't gone well for her.

"She'll be with you in a minute," the secretary smiled at her. "Don't worry, just make yourself comfortable."

"O-Okay," Sierra nodded, although she knew the hard, plastic seats almost everyone used here were designed to ensure she wasn't able to do that. These chairs were part of the punishment, she'd always assumed. They made sure you were uncomfortable and off balance, even before you went in to face the principal, or the headmistress, or whichever authority figure you'd been called in front of that time.

It was very strange to think that she was going to be one of those authority figures now. Certainly nowhere near as much as the principal was, but, as long as this went well, the students here would be looking up to her, calling her Miss Sierra, thinking of her as an adult. That might all take some getting used to, but it would be nice.

Given her own experience with schools, and the many she'd gone to, she was surprised she'd been able to get this interview. She'd applied almost on a whim more than anything, and when she'd gotten the call to come in, she'd come close to asking if they were sure about this. Maybe they saw it as a plus, that she had experience with so many different places of education, and different styles of being taught. Or maybe they hadn't looked too closely at her resume.

Either way, she was glad to be here, no matter how nervous she was. She could probably do some good here. The position wasn't anything too crazy, just a teacher's assistant, but it would be a good start. It was a small boarding school, nowhere close to the size of Ilvermorny, much less Hogwarts, and more focused on the balance of Muggle learning and magic, so her own troubles with getting magic to work right for her might not matter as much, and her time out in the Muggle world would be a benefit. If things went well, she might eventually become a full teacher here!

For now, however, she had to wait for the principal to open her door and talk to her. She sighed, leaning against the back of the chair, fidgeting, feeling much less like the grown-up she'd given a pep talk to in the mirror before heading out that morning.

"I'm sure she'll be done any time now," the secretary told her. "I have to run out for a second, and you'll probably be in there before I even get back! So good luck, dear." She gave Sierra a wink.

"Thanks!" Sierra called, waving, and hoping she was right. She watched the woman go, leaning her head against the wall with a sigh, just wanting to get this over with.

"There you are!" Sierra jumped as the door the secretary had just walked into swung open again, an older teen, probably only slightly younger than Sierra herself, bursting in. "I've been looking all over for you! Don't tell me you've already gotten sent here?!"

"Huh?" Sierra frowned, confused. "N-No, I think you're..."

"I'm surprised, then, since you're out of uniform. Come on, you're going to be late for class, and I'll be the one in trouble." The girl hurried over, grabbing Sierra by the hand and yanking her up out of the uncomfortable chair. She was, unsurprisingly, taller than Sierra, and stronger, and had no problem with the act, no matter how hard the older girl struggled.

"N-No, I'm not..." she shook her head frantically, working hard in her high heels, and her less than stellar balance on them, to keep up with the other girl.

"Look, I know it's scary, coming to a new school, but I promise, it isn't that bad. And I'm not just saying that because I'm a prefect, and I have to. If you behave yourself, you'll do well here."

"No, you don't understand!" Sierra glared at her angrily. "I'm not a student, I...!"

But the girl had already taken her to a classroom, pushing her inside. "Here's your new student, Mrs. Ashton!"

"No, I'm not!" Sierra stomped her foot. "I am... Whoa!"

Mrs. Ashton was a bit on the older side, and looked sweet enough, but she didn't hesitate at all to lift her wand, sending a stream of magic to drag Sierra across the classroom, shoving her into a waiting desk at the front of the room. "We do not have time to put up with tantrums, young lady," the woman informed her.

"B-But you don't understand!" Sierra pouted.

"Enough!" Mrs. Ashton snapped. "I don't want to hear another word out of you unless I call on you. We have a lot to get through today."

Sierra blushed, squirming in her desk as she heard the other students tittering at her. Did they realize the truth? Did they know who she was? Or did they just find it funny to see the new student's resistances so easily and quickly swatted aside? Either way, it didn't look like the teacher was willing to listen to her, or give her a chance, and Sierra was already too intimidated by her to try, so she was stuck here until the end of class.

It was bad enough being mistaken for a student at all, especially when she'd tried so hard to dress professionally, but as the teacher began to speak, and she realized how basic the topic they were covering was, it became even more insulting. Even she, who had constantly struggled with her classwork, almost no matter what it was, had a good grasp on this. And the teacher's droning voice, and dry, boring teaching style, didn't help much either.

Sierra swallowed a groan, knowing better than to let it out and draw attention to herself. After waking up early to get ready, this was all hitting her much harder than it might have otherwise, and she could feel her eyelids straining to close, her head leaning dangerously close to the desk...

She gasped, sitting up straight, having almost fallen asleep. She blushed, feeling all eyes turning towards her, squirming slightly in her chair, only to hear a very familiar crinkle. "No!" she squeaked before she could stop herself, hearing the giggles start up again, much louder this time. She knew exactly what that noise was, coming from around her waist, coupled with the thick, soft bulk between her legs.

She was in a diaper. Anxiously, she looked down at herself, eyes widening as she saw what she was wearing. Gone was her nice, grown-up, professional outfit, and, in its place, she now had on a fluffy, yellow shirt, covered in big, babyish shapes, like stars and strollers. It was soft, and, honestly, very comfy, although that didn't make it any less humiliating.

What was beneath was even worse, though. It was a matching diaper cover, one that she could see, if she squirmed and turned around slightly, had a few rows of lace across the seat, which was stretched tight over her huge diaper. A pair of matching booties completed the look.

What had happened?! Was this some prank from one of the kids here?! Cheeks burning, she hunkered down in her chair, trying to disappear, as the teacher marched over towards her. "All right, everyone, that's enough," she said loudly. "And what is the meaning of this, young lady?"

"Me?!" Sierra gulped. "I-I didn't...! Th-This isn't my fault!"

"I've had enough of your disruption," Mrs. Ashton snapped. "Get up!" Sierra scrambled to her feet obediently, the loss of her high heels making her feel even smaller and more immature in front of the woman. "Turn around." The teacher waved her finger in a circle. Sierra was, at first, happy to comply, since it kept her from having to see the smirking faces of the students, until she heard the next part of the instructions. "Bend over."

"B-But..." Sierra blushed.

"Bend over!" Mrs. Ashton repeated, harshly enough to make Sierra obey instantly, sticking her well-padded backside out, facing towards the classroom. And then, to her horror, as if that wouldn't have been enough to make everyone realize what she was wearing, the teacher reached over, grabbed the diaper cover, and yanked it down.

Sierra had known that most everyone had to have known the truth already, but it was still mortifying to stand there, diaper completely exposed, removing any doubt any of them might have had. She whimpered, wiggling in place, humiliated, feeling a trickle of nervous pee soak into the waiting padding, right before the teacher's hand crept up between her legs, giving her a check.

"And wet, too," Mrs. Ashton announced, a fresh wave of laughter erupting at that, as Sierra's hands closed tighter around the edge of the desk, wishing she'd exercised just a tiny bit more control a moment earlier. "I know just the thing to deal with naughty girls like you."

Sierra heard the giggling change, knew something was going on. She almost didn't want to look, to know, but she had a feeling she needed to prepare herself, so she turned, and saw an enema bag, bulging full, hose coiled up and waiting, dangling behind her. "N-No!" she gasped, dribbling a little more into her diaper as she nibbled her bottom lip anxiously.. "Y-You don't understand!"

"I understand perfectly," Mrs. Ashton interrupted, sliding Sierra's diaper down just low enough. "You just have to be the center of attention, don't you? Well, don't worry, dear. All eyes are on you now."

Sierra squeaked, feeling the nozzle invade her bottom, the flow of water starting almost instantly. "I-It's not fair!" she sniffled, wiggling her backside helplessly as she felt it start to fill up, water gushing into her. "Y-You can't do this!" She was supposed to be getting interviewed for a job here, not getting punished like a disruptive student! And she definitely shouldn't be back in diapers yet again!

"I can, and I am," the teacher informed her calmly. "Keep it up, and I'll refill that bottle. Is that what you want?"

"N-No!" Sierra shook her head, tears stinging at her eyes. Already, her tummy felt far too full, and she was sure she could feel it bloating up slightly behind her diaper. And the first bottle wasn't empty yet! There was no way she could hold another! Already, she could feel the cramps starting, making her toes curl frantically in her booties as she fought with every inch of her being to stop them.

By the time it was over, Sierra's poor tummy looked like it had gained back all of her baby fat, the diaper almost straining against the tapes when Mrs. Ashton tugged it back up. Sierra gasped, feeling the plastic waistband digging into her stomach, nearly enough for her to instantly lose her battle and fill her pants right then and there, before the diaper cover had even been replaced.

"Now, then," the teacher declared, "since everyone is going to be watching you anyway, you're going to help me with the lesson." The woman pushed Sierra towards the board with a swat to her padded seat, the girl nervously waddling forward, feeling the water sloshing around inside her with every tiny step, terrified it would all come rushing out any second. She'd never been good at holding in enemas, and she'd hoped it was a skill that wasn't going to come up again, but, of course it had.

"Pl-Please," Sierra sniffled. "J-Just let me go to the bathroom!"

"Hmm," Mrs. Ashton raised an eyebrow, staring down at her. "Maybe you have a point. You've probably suffered enough. And we don't really want to have to smell you the rest of class. But you're already up here, so you might as well help out. Pick up that piece of chalk, and write out one thing I've said during this class, to prove you were paying attention, and then you can leave. Go on."

Sierra groaned, grabbing a piece of chalk. Unfortunately, that was as far as she could go. She knew they were talking about something very simple, very easy, and she should know everything about it, but after what had happened, her mind was a blank. Her tummy rumbled ominously, her thighs squeezing together as far as the bulky padding would allow, as she stared at the empty board.

"Come on," the teacher urged. "Just one thing, and you won't have to poop your Pampers in front of all your classmates."

Suddenly, it hit her. Her eyes hit up as she raised her piece of chalk, starting the first letter... And then it started. The cramp hit her suddenly, and harder than she'd expected, making her squat down involuntarily, a warm gush of mush exploding into her pants before she could stop it. For a moment, she thought that was it for now, and she could make it through mostly unscathed. Then, the next cramp came, and she could only stand there, grunting and gasping, as she quickly filled her diaper to the brim, feeling it straining against her diaper cover as it ballooned outwards, drooping slightly between her legs.

"Well, then," Mrs. Ashton took the chalk from her hand. "So much for that. Go on back to your seat."

Sierra, still trying to catch her breath, looked up at her, eyes wide. "B-But..." she sniffled.

"Now." The teacher punctuated the word with a swat to the girl's messy diaper, making her squeal and stumble forward, staring down at the floor so she didn't have to see the other students laughing at her. She paused at her desk, hands curling into frustrated balls as she bounced in place, wishing she had the courage to tell Mrs. Ashton who she was, and how she couldn't make her do this.

But, after everything that had happened, she didn't. With a sigh, she slid into the seat, nose wrinkling as her bottom sank into the mush, feeling it squelch up between her legs and all around her backside, making her almost forget how grown-up she'd felt that morning. She whimpered, trying frantically to wiggle herself into a comfortable position, one where it didn't feel so clear what she'd done to herself.

She frowned, something seeming wrong as she squirmed and blushed, besides the obvious. The more she moved, the more certain she was, until, finally, she lifted her head, and woke up.

For a split second, she felt a wave of relief wash over her, glad all of that had been a dream after all. It was embarrassing to fall asleep in class, especially sitting right at the front the way she was, but it was much better than what had happened in her dream. Then, she adjusted her weight in her chair, and realized it hadn't all been fake.

She looked down, seeing her suit, and her heels swinging nervously beneath her, the adult clothes almost making what had happened beneath them worse. She'd pooped her pants, and there wasn't even any padding to protect her outfit! She groaned, tears stinging her eyes, too mortified to excuse herself, to run out of the room the way she wanted, knowing there was definitely a big, brown spot on the back of her skirt.

"Is everything all right, dear?"

She looked up, blushing as she saw Mrs. Ashton standing there, recalling what the woman had done to her in her dream. She looked much nicer now, but there wasn't much she could do for her.

"Why don't you go visit the nurse?" she suggested gently. "Do you know where her office is?" Sierra shook her head, and the teacher flicked her wand at the floor, a glowing, golden line appearing, leading Sierra back through the classroom, to the door. "Just follow that. Don't worry, it will be okay."

Sierra got to her feet, face burning as she heard laughter erupting around her as she made her shameful way out. "That's enough, everyone," Mrs. Ashton told them. "It could happen to anyone! Now, can we please get back to work?"

Sierra paused right outside the classroom door, part of her wanting to make a break for it, and just go home. When she tried to stray from the golden path laid out for her, however, her feet refused to move, left her standing there, swaying on her high heels, stuck. Reluctantly, she followed it to the nurse's office.

"Ah, you must be our new student!" the woman inside smiled. "What can I..?" Her nose twitched, and before Sierra could say anything, she was spun around. "Well, then," she shook her head. "I see what you need."

"N-No, y-you don't understand," Sierra blushed, shaking her head. "I-I'm not..." She whined as she saw the nurse pull out a thick, bulky diaper from her cabinets. "No!"

"You are not in the position to say that to me, young lady," the nurse informed her, unfolding the garment. "You aren't even in uniform."

"That's because I'm not a student!" Sierra insisted.

"Of course you aren't," the nurse snorted sarcastically. "I've never heard that one before."

"I'm not!" Sierra pouted. "A-And even if I was, wouldn't I get a second chance?!"

"How old are you?"

Sierra almost didn't want to tell the truth, despite trying to convince this woman she didn't belong here. The older she was, the more embarrassing her accident became. "I-I'm twenty," she admitted.

To her surprise, the nurse took that in stride. "You are twenty years old, young lady, and still pooping your pants? This isn't just a little, wet accident. After that, you don't deserve a second chance. You deserve," she gave the diaper, spread out and waiting on the exam table, "diapers."

"No!" Sierra sniffed, shaking her head, as the nurse started to undress her. "Y-You don't understand!"

"I understand perfectly well," the nurse sniffed, starting to clean Sierra's messy bottom, demonstrating that she was all too familiar with the situation. "A little girl messed herself, and now she's going back where she belongs."

"I'm not a little girl!" Sierra insisted, even as she was lifted up onto the waiting diaper, her resolve shaken a bit as she felt her clean backside sinking into the waiting, thirsty padding. "I-I'm not! I-I had this dream, and it was super vivid, and someone gave me an enema, and I couldn't..."

"An enema, huh?" the nurse smirked, sprinkling baby powder onto Sierra's crotch. "That's a good idea. It would be unsanitary to risk you doing this again wherever you pleased. So, young lady, every morning, you're going to report to me. I mean, you'll have to do that anyway so I can check your overnight diaper and see if you've kept it dry, since I have a feeling that someone who messes her pants on her first day at a new school probably doesn't have the best control at night, either."

"I'm not a bedwetter!" Sierra blushed furiously.

"So you say," the nurse shrugged. "You certainly are a panty-pooper, though, so forgive me if I don't take your word for it. I'll be checking you in the morning, and, when I do, I'll give you a nice, big, soapy enema to clean you out for the day. I'd rather know I'll be starting the day changing a messy diaper than get surprised by it whenever you get around to it."

"N-No!" Sierra groaned. Even knowing she wasn't a student here, and that this wasn't going to happen, the idea of it was still mortifying. If nothing else, her dream had reminded her how much she hated enemas, and the idea of having to start out every day like that was awful. And, despite it all, she couldn't help asking, "C-Can't I at least use the potty?", feeling so scared and small at the thought that she couldn't help reverting to the more childish word for it.

The nurse looked down at her, as she pulled the front of the diaper up between her legs, and laughed. "No, of course you can't expel in the toilet. You're wearing diapers." She fastened the first tape. "Toilets are for big kids who are capable of handling big kid undies, and you've proven you aren't one of those. Someone like you," she fastened the next tape, tugging the diaper nice and snug around Sierra's bottom, sealing her in, and giving her puffy crotch a pat, "deserves to be reminded of how much of a baby they are. Maybe I'll even get a nice, wooden stool in here, and you can sit in the corner for a while, so you can think about why it's happening."

After that, Sierra couldn't bring herself to put up a fight as she was dressed in a spare uniform and marched back to the principal's office. It was going to be humiliating, but at least there, everything would be cleared up. The secretary had to be back by now, and she'd recognize her, and tell the nurse the truth.

Except, she wasn't. The secretary was nowhere to be found. The only person waiting there was another girl, dressed up quite similarly to what Sierra had been wearing before her fall from grace. She looked quite young to Sierra, despite her grown-up clothes.

"Hello, there," the nurse said to her, sitting down in the chair beside her. "You must be the one interviewing for the assistant's position.

"I am," the girl beamed, holding out a hand. "Nice to meet you."

"What?! No, you're not!" Sierra gasped. "That's me!" She stared at the girl, suddenly remembering how the prefect had mistaken her for a new student. This must be her, she realized. Part of her wondered if the girl had been watching the whole time, if she had, perhaps, even caused the dream. She had no way to know for certain. It could be that the girl had just seen her being taken away, and decided to take advantage of the situation. Either way, Sierra was now positive that this wasn't someone else vying for the job she was here trying for, but that mysterious new student.

"Hush," the nurse snapped at her. "Nobody wants to hear your fibs, young lady. I apologize, she's new here, and already quite the troublemaker. Can you believe I'm having to bring her to the principal's office on her first day? I almost feel sorry for you if you do get the job, having to deal with her."

The girl smirked, looking Sierra up and down. "Oh, she doesn't look that bad."

The nurse shook her head. "Just wait until you hear what she did. I'm only here to make sure the principal hears the truth about it, because I don't think I can trust her with that."

Finally, the door to the principal's office opened, and a tall woman looked out. "Sorry for the delay," she smiled. "Miss... Sierra Nivera?"

Sierra and the girl both leapt to their feet. For a moment, the principal looked at both of them, and Sierra was positive she had to be smart enough to sense the truth. "Come on in," she stepped aside, gesturing for the other girl to saunter in.

"No!" Sierra stomped her foot. "That's me!"

But the door was already closed again.

"Hush," the nurse ordered, pulling Sierra back up onto the seat. "You're already going to be lucky if you don't get paddled after the way you've behaved today. I wouldn't push my luck any further if I were you."

"B-But..." Sierra squirmed, pouting. "It's not fair!" The other girl had already pretended to be her, and Sierra had obviously heard her name being called. If she 'pretended' to be herself, it would only look like a naughty girl, attempting to get out of her punishment any way she could. It didn't help that what had happened to her was so ridiculous, it sounded like a lie.

She sighed, squirming in the chair, realizing that there was a very good chance she was about to wind up enrolled in yet another school, not as an assistant, but a student. How could this still be happening to her?! And how was she going to get out of a spanking?! That felt like the more pressing issue now, rather than trying to make anyone acknowledge her true identity. That fight seemed destined to fail already... She could only hope that the same couldn't be said for the one to keep from winding up over the lap of the woman who she'd hoped, not even an hour earlier, would wind up being her boss.