"And the winner of this week's Manehattan sport-themed fashion show is... Rarity!"

Rarity took her trophy, loving the applause of the audience. She was wearing a sparkly purple sports outfit of her own design, resembling skintight shorts and a midriff tank top. She had done a great job at combining sporty with lovely, and it especially looked lovely on her, the loveliest unicorn in all of Equestria.

Rarity was on her way back to her hotel when a brick hit her in the head, and she blacked out.

...

Rarity woke up in a dark basement. The first thing she noticed was that her front hooves were tied behind her back, and her back hooves were tied together. She tried to remove them with her magic, but couldn't, and realized that there was a cloth wrapped around her horn, preventing her from using magic.

"So, you're awake," came a familiar voice. Suri Polomare walked in front of Rarity.

"What are you up to now?" said Rarity.

"Revenge for stealing my fashion show trophies!"

"Excuse me, but you're the one who stole my entire line that one time!"

"This is Manehattan. And no one will ever want to give you a prize after the state you'll be in soon!" She set up a camera on a tripod, but didn't turn it on yet.

"Stealing my fashion designs is one thing, but this is way too far! Let me go!"

"I will. In about a week or so."

"One week? Have you lost your..."

"Be quiet and eat," said Suri, who held out a big plate of brown beans.

"Ugh, those are disgusting," said Rarity. She could get by the taste, but what came after wasn't very pleasant for her.

"For each time you turn me down, this is what you get." Suri walked behind Rarity, whose rump was in the air in her current position, and her hooves tied well out of its way. Suri raised a hoof and slapped Rarity's butt as hard as she could.

Rarity squealed as Suri spanked her again, and again. "Ow! Ow! Ow! Stop that at once! OW!"

Suri didn't stop until she had swatted Rarity's tush 30 times. Rarity's butt was in pain.

"You'll feel better in an hour, but I'll spank you 30 more times if you don't eat these now!" said Suri.

"All right, fine," said Rarity, who didn't want her butt slapped in its current state, and she ate all the beans within a minute.

"Now, drink time," said Suri, and she held out some bottles of soda.

Rarity drank one of them without hesitation to get the taste of the beans out of her mouth. They didn't taste too bad on their own, but it was a taste she had associated with something very unladylike she had done in front of Pinkie Pie and Fluttershy the last time she tried them. In less than a minute she had drank a full bottle.

"Now, have another one," said Suri.

"No thanks," said Rarity.

Suri magically turned on the heat in the room, which was in the basement of her house. This would make Rarity crave drinks soon enough. The more soda she drank, the better, for she planned to completely humiliate Rarity.

"Is it getting hot in here?" said Rarity. "Am I sweating? I think I'm sweating a little. Turn down the heat!"

Oh, she'd have a lot more than sweat to worry about before the week was done.

A few minutes later, Rarity felt the sensation she had been dreading ever since she ate the beans. It was one of the most unladylike things a mare could do. Even though every pony did it, Rarity would always do it silently and away from anyone else whenever possible.

Rarity's stomach was gurgling, and she felt a pressure build up inside her. She tried to hold it in for as long as she could. Noticing her discomfort, Suri turned on the camera and set it to record.

"Turn that camera off!" said Rarity.

"Why? You not feeling too good?" said Suri with a smirk.

"Uhhhhh..." Rarity couldn't hold it in any longer.

PPPPPFFFFFFRRRRRT!

She blushed as she let out a loud wet fart, which lasted six seconds. How unladylike it was to break wind so loudly!

"Not quite the lady you pretend you are, are you?" said Suri.

Rarity farted again, and again, each fart louder and wetter than the last. The room was starting to smell, but Suri didn't mind if it meant making her suffer.

"Sweet Celestia, what did you put in these..." *BBBBBRRRRRT* "...beans? They've never made me..." *FUUUURPPP* "...fart this much!"

Suri just chuckled, deciding not to tell Rarity she had put large amounts of fart powder in each and every bottle of soda she gave her.

"Can I have that other bottle of soda now?" said Rarity, who was now thirsty, and tried to retain some dignity as she spoke, as she let out an airy fart.

Suri held out the bottle to Rarity, who downed it within half a minute. Then she turned the heat down a little, not wanting Rarity to get too sweaty just yet. Her sparkly outfit was still dry.

BBBBBBRRRRRRRAAAAAAAAAP!

Rarity let out a deep-pitched, boisterous fart, and blushed, ashamed that such a vulgar sound could ever come out of her.

"What are you planning to do with that tape?" said Rarity.

"Broadcast all the juicy bits to everyone in Manehattan, Canterlot, and of course, Ponyville!" said Suri.

"They won't be very happy with you for tying me up in your basement!"

"No one has to know it's me."

"I'll make sure they know!"

"If you can show your face to any of them again. And if I can't win any more fashion shows, I'm dragging you down with me!"

Rarity farted for about another half hour, with Suri opening the basement window to air out the room, as Rarity's farts smelled horrible. Finally, Rarity's farting had subsided. Suri closed the window once the smell was out of the room, although Rarity's shorts still smelled like farts. Suri didn't sniff her butt though - none of this was a fetish for her, she just wanted Rarity to suffer.

About ten minutes later, Rarity said "I need to use the little filly's room."

"Just hold it," said Suri.

"I can't hold it for a week!" said Rarity, fidgeting.

"Then go in your shorts. I'm not untying you."

Rarity fidgeted harder, her heart racing. Farting was humiliating enough but wetting herself would be even worse! She couldn't even hold herself or cross her legs in her position. The best she could do was hold it, although she knew she wouldn't be able to hold it for a week.

Rarity desperately struggled against her bonds, but it was no use. Suri had tied them so she couldn't get free of them. She really needed to go. She fidgeted for a full hour, squirming desperately and still trying to get free, the pee sloshing around inside her.

Then, the floodgates opened. Rarity blushed with total embarrassment as her purple shorts darkened, and she could feel them grow warm and wet. Warm waterfalls flowed down her beautiful legs and formed a puddle under her.

Rarity was more ashamed than she had ever been in her life. She, Rarity, one of the loveliest, most feminine, and most popular mares around, was peeing herself like a little filly. And she knew hundreds of ponies would witness it.

Still... she couldn't help but sigh in relief. The release felt good after holding it for so long, and something about the way the warmth was spreading and flowing down her legs felt... nice. If it wasn't such a humiliating situation, part of her might have enjoyed it...

Suri heard Rarity's sigh. "You're not supposed to be enjoying this!" said Suri, and she swatted Rarity's rear ten times. Rarity was still peeing after the tenth swat. She should have been tearing up by then, so why wasn't she?

"If you're wondering why I didn't turn the camera on for this part," said Suri, "I don't have to. I'll let you do a walk of shame through Manehattan when it's busy. I'll only broadcast the farts."

Rarity finished peeing. She had peed herself for a total of one minute and 25 seconds.

"Can I change?" she said.

"No," said Suri, turning the heat on again.

"Can't you at least clean up this puddle?"

"Not a chance."

Ten minutes later, Suri gave Rarity another plate of beans. She refused to eat them, and Suri spanked her 30 times, causing her to wolf them down, and then, being really thirsty, she downed three bottles of soda at once.

Within a minute, Rarity was letting loose with a series of loud, wet farts.

PFFFFFFT! BRRRAAAAP! PRRRRRRT! FFFFFFRRRRRRRT! PBBBBBTH!

"You'll never get away with this, Suri Polomare!" said Rarity after a particularly boisterous fart, knowing she was on camera.

"Oh, blaming a pony whose fashion designs you stole," said Suri. "Shame on you! Call me by my real name: Applejack! And you asked me to do this to satisfy your fetishes, remember?"

If the situation wasn't so stressful and embarrassing, Rarity would have laughed. Did Suri clearly plan to frame Applejack? She wasn't even talking with a country accent! Or imitating any other voice. Suri would definitely go down for this, but so would she, and she couldn't stand it.

BBBBBBBRRRRRRRRPPPPPPPPPPPPPFFFFFFFFFFFRRRRRRRRTTTTT!

Rarity let out a very loud, very wet fart that lasted 22 seconds, her face turning redder the longer it went on.

Three hours later, Rarity was really fidgeting. She had to pee really badly, but she knew Suri wouldn't let her. She had drank six full bottles of soda in the course of these three hours.

Suri noticed this, and said "Hey Rarity, try not to think of rivers, and waterfalls! Waterfalls splashing down! Imagine yourself splashing down a waterfall into a lake! Then it starts raining, and you can hear the raindrops on the surface of the water!"

Rarity leaked a bit into her shorts, and whimpered.

"Think of ponies splashing in puddles in the middle of a torrential downpour! Think of fillies splashing in fountains, with a stream of water pouring out of the center, and showers around! Think of tidal waves in the middle of the ocean! Think of raindrops, splashing into puddles on the ground!"

All this was too much for Rarity, and she began peeing herself again, full force. She whimpered as she soaked her already-wet shorts, making a big puddle on the ground, as the old one had mostly dried up from the heat.

She sighed in relief again. Why did this feel so good? She was supposed to hate such an undignified thing. Was that... arousal that she felt? If only hundreds of ponies weren't going to see her in such a state on her way back.

Suri held out a large bowl of beans, which had fart powder on them to enhance their effect. Rarity refused, even though she knew another gas attack was inevitable. Why did she willingly subject herself to another spanking with nothing to gain from it? Did she want to show her defiance to Suri? Or... did she actually want her to spank her?

Rarity's rear end was in pain as she gobbled up the bowl of beans rather messily, getting some of the sauce all over herself. This wasn't very ladylike, but her dignity could not be saved at this point.

Six more bottled of fart powder-filled soda later, Rarity was farting again, and again. Her farts were louder, wetter, and, in some cases, longer than ever, and smelled so bad Suri almost threw up. Rarity knew these shorts would be damaged beyond repair.

She was humiliated at the thought that hundreds of ponies would see her fart like this, but if it wasn't for that... what was this she was feeling? Did she actually think it was fun to fart, without any need to hold back? No. She couldn't possibly feel this way. She was too ladylike, too graceful. She could never like doing something so foul. So why did it feel like she did?

Within the hour, Rarity had to pee again. She held it in for as long as she could, even though she knew she was going to pee herself. Was she holding it to avoid giving in, or to make the release more satisfying?

Suri noticed Rarity fidgeting. In this heat, she had drank a fair amount too, though she hadn't gone to the bathroom since capturing Rarity. Suri sat on Rarity's back.

"I beg your pardon, what are you..."

Rarity paused as she felt the back of her shirt grow warm and wet. Suri sighed in relief and shot Rarity a smug look as she peed all over her.

"Ugh, that is absolutely revolting! Stop at once!"

Suri wasn't finished peeing when Rarity's shorts started getting wetter. All the warm wetness had been too much for her, and her bladder released itself. Rarity sighed as she wet herself, forgetting how disgusted she was with Suri. No! She could not enjoy such a disgusting act! She tried to hold it in, but could do nothing to slow her stream, which only got stronger. She finished peeing long after Suri.

...

The first time Rarity needed to pee on Day 2, Suri put her on her back and tickled her hooves. Rarity tried to flail her legs, but as they were tied together she was completely helpless, and couldn't even resist the tickling. Rarity peed about twenty seconds into the tickling, soaking any part of her shorts that had managed to stay dry after the first day.

When Rarity went to sleep that night, her shorts were still damp. When she woke up on Day 3, her shorts were soaked. There was no other explanation - she had peed in her sleep.

"Looks like Rarity's a bedwetter," said Suri. "I can't wait to get the story out once you wet your bed in Ponyville!"

"That only happened because of the state you put me in, you ruffian!" said Rarity. She was sure this would go away when she was back home. At least, she hoped.

Suri gave her another big bowl of beans, and more bottles of soda with fart powder. The aftermath went the same way as before; Rarity farted countless times, and then peed in her already-wet shorts. By now she smelled really bad, sweat from the heat adding to the smell of pee and farts.

Sometime in the afternoon, Rarity said "Untie me at once! I have to go, and it's not in the same way as before!"

"Sucks to be you then," said Suri.

"You can't expect me to... This has gone far enough!" Rarity tried again to untie herself, to no avail. The pressure inside her grew stronger. Rarity bit her lip and held it in for an hour, accidentally farting at one point, relieved that she hadn't made a mess in her shorts yet. Then...

PPPPPPPBBBBBBBBLLLLLLLLLTTTTTHHHHHSSSSSSSSH!

Rarity blushed and whimpered as she released a wet, smelly brown mess into her shorts. She messed herself for about 30 seconds, paused, and then soiled herself again, for about 10 seconds this time, in which her mess was even wetter and noisier than before.

"Phew, you really needed to go, didn't you?" said Suri.

Rarity moaned in extreme discomfort. Farting and wetting herself was one thing, but this was absolutely disgusting. The rancid stench of manure, the disgusting feeling of it against her rear, her shorts full of it.

BBBBBBRRRRRRRRRT!

The brown bulge in Rarity's shorts got even bigger, and some of the mess began to leak out of the leg holes. Rarity farted one more time. She wasn't sure but she could have sworn she had added to the mess slightly.

Suri left Rarity like this for an hour, and then got her into a sitting position. Rarity cringed at the squishy feeling under her butt. It was like she was sitting in a big mud pit. For the first few minutes she couldn't even feel the ground under her, until eventually, she did, forming a brown muddy puddle under her.

Yet Rarity didn't make any sounds of discomfort. Was she actually enjoying the sensation? Impossible. No self-respecting mare should like this, even if she thought it was fun to fart. This was beyond disgusting, and the smell was worse than anything she had ever known. She should be vomiting right now. So why was she feeling so satisfied, and... so aroused?

...

Rarity peed two more times that day, and farted more times than she could count. That night, and the night after, she peed in her sleep again. Suri only peed on her for the duration of this as well. On the morning of Day 5, Rarity messed herself again. By now her mane was all messy as well, looking similar to when she had badly imitated Applejack.

As Rarity was in the middle of peeing for the third time on Day 5, the door burst open, and Applejack came in.

"Applejack!" said Rarity, initially overjoyed to see her, but then blushing at Applejack noticing her in the state she was in.

"What are you doing here?" said Suri.

"Well, Pinkie Pie said you bought fart powder from her before Rarity left for the big fashion show, and Rarity didn't come home, so ah put two an' two together," said Applejack.

"Get lost!" said Suri. "Rarity's gonna be here for another two days! She must suffer for what she did!"

"Ah don't think so!" Applejack kicked Suri in the face, and she collapsed to the ground with her behind in the air. Applejack kicked her in the butt, causing her great pain, for Applejack kicked hard. Applejack kicked Suri in the butt four more times. Her butt hurt more than Rarity's did at any point in the last five days, and tears rolled down her face from the intense pain. Then, noticing the camera, Applejack kicked it over, and it smashed on the ground.

"You all right there Rarity?" said Applejack as she untied the very wet and smelly mare, removing the cloth from her horn.

Rarity couldn't believe the pony she liked was seeing her in such a messy state. She wanted to shoo Applejack away, but she couldn't. Not when Applejack had just rescued her and spared her greater humiliation.

"I... I think so," said Rarity.

Applejack grabbed Suri's outfit for the fashion show, a dark purple tank top and skintight gray shorts. She forced the outfit on Suri, who was still laying immobilized from the literal ass-kicking Applejack had given her. Then she tied Suri's hooves together, and forced her to drink ten bottles of soda under threat of kicking her again. Rarity cringed, expecting several loud farts, as from what Applejack said she was now sure this was the cause of half her flatulence, but they didn't come. It seemed Suri hadn't put the fart powder into the sodas until before making Rarity drink them.

As they waited for Suri to pee, Applejack stood close to Rarity and leaned her head against her. She smelled really bad, reeking of sweat, farts, pee, and manure, but Applejack didn't care.

"Why do you even want to go near me?" said Rarity, confused. "I smell... awful!"

"Ah don't mind," said Applejack. "And ah don't think any less of you. If anything, ah really li..." She stopped herself right there, blushing profusely. She didn't want to say anything to upset Rarity. She knew the unicorn must have suffered a lot and didn't want to take pleasure in her pain.

Rarity felt much better at these words, even the last bit, which she caught. "I... I'd like to tell you something, but can you promise never to tell it to anyone else?"

"Ah promise."

"Pinkie promise?"

"Cross mah heart an' hope to fly, stick a cupcake in mah eye."

Rarity's heart was pounding. "I... I really hope you don't think of me as too disgusting and unladylike for this, but... when she made me... break wind, so often... and then when she... slapped my backside very hard, and even when I... had an accident in my shorts... in both ways... it's utterly ridiculous, but I... I think I might have actually..."

"Say no more," said Applejack. "If you want, ah'd be happy to help you experiment with it. If anything it makes me like you more."

Rarity blushed, and gave Applejack a hug. She withdrew her arms, as she thought Applejack wouldn't want to touch her her current state, but Applejack hugged her back.

"Wait, what?" said Suri. "You mean you actually liked it?"

"Your revenge plan was a failure," said Rarity. She positioned her butt in front of Suri's face and shook it in a taunting way, so that Suri could smell it. Then Rarity farted, and Suri nearly threw up.

"And if ya ever mention this to anyone, I'll kick you in the butt 50 times!" said Applejack.

"Okay, I promise I won't tell!" said Suri, and she meant it, sure she wouldn't be able to sit for a week after five kicks alone. "Can you untie me now? I really need to go!" She had nearly lost it after Applejack's threat.

"All right," said Applejack.

Rarity had no objections. Though Suri had intended to torture her, and legitimately made her suffer a bit, she had led her to discover her new fetishes, which she would have a lot of fun with without the knowledge of any ponies except Applejack. She could be merciful to her.

Applejack untied Suri, who raced to the bathroom, but didn't make it, soaking her shorts and forming a puddle halfway from the basement door to the bathroom. She sat down, and stood up immediately, both from sitting in her puddle and the severe pain in her rear.

Rarity and Applejack watched, and laughed.

"Come on Rares," said Applejack. "Ah can get ya home without anyone else noticin' you."

As they made their way to the train unseen, taking Rarity's trophy with them, Rarity farted again, making her shorts a little messier and smellier. She only giggled and leaned her head against Applejack.

They stopped by a pool of water, where Rarity went for a swim. She still smelled bad when she got out, but she was cleaner than before, and Applejack threw a cloak she had brought with her over Rarity so her soiled shorts couldn't be seen. They boarded the train, and sat in a car that was empty, so no ponies could smell Rarity.

They reached Ponyville, and got to Carousel Boutique mostly unseen. Two ponies walked by them and sniffed the air, but Applejack told them that she farted, making them drop it.

Once at Carousel Boutique, Applejack gave Rarity a bubblebath. Jumping into the tub without changing out of her already-wet outfit, Rarity sighed in relaxation she had known many times before, and invited Applejack to come in with her. She farted in the tub, but didn't even blush this time, unashamed of farting in front of the pony who knew and loved her newfound fetishes.

Her stained and smelly shorts were beyond saving, but she kept them hidden for the purposes of experimenting with her fetishes, half the time in front of Applejack, who loved it as much as she did. Applejack would give her fart powder provided by Pinkie Pie, keeping her word and not mentioning that it was for Rarity. Much to her relief, Rarity didn't wet the bed on normal nights afterward, but sometimes she would drink two bottles of soda before bed to make herself wet the bed, if she felt like it (wearing the same pair of shorts on these nights).

And, to avoid arousing suspicion from other ponies, Rarity made several identical sports outfits, which stayed dry and clean, except for sweat, and on rare occasion, water or mud. She found she didn't mind getting dirty nearly as much as she used to, but tried not to let it show too fast.