As Octavia walked towards the stage, she could sense the lack of attention she was going to receive. Not a single eye had moved her way as of yet and she believed that it would stay that way. As she took her position, tapping the bow against the large oak wood cello, she attracted attention from some patrons for a few seconds, until they returned to their chatter, blatantly ignoring the poorly paid pony. The concert Octavia was forced,kicking and screaming, to play was nothing more than a seemingly random assortment of pieces that happened to feature her instrument. Taking a deep breath, reducing the world to just her and her music, she began to play, the steady paced piece flowing into the air. Some of the audience turned again to witness the sweet sound, whilst others merely acknowledged its presence, continuing to sip their beverages.

After the first piece, Octavia took time to adjust herself, straightening her bowtie and sipping the clear glass of water placed next to her. A tingle inside of her bladder stopped her in her tracks. Damn-she had forgotten her pre-show ritual of emptying herself in order to stop any 'unwanted distractions', learning this the hard way during her youth. She couldn't shoot off to the bathroom now, the performance had no intermission, she would lose her meagre payment if she abandoned her post. Sighing, she resumed her position, hooves clamped around the base, pressing it firmly against her crotch in an attempt to hold off the impeding flood.

Finally she had reached the end, in just the nick of time as well. Her bladder felt like it had the contents of a swimming pool sloshing around inside, pressing up against her tiny urethra, beads of urine forming on the orifice as her iron control began to wilt. A large mass moved towards her squeezed anus, almost causing her to mess up her finely tuned rhythm. Luckily, the slow tempo of the piece:"Le Cygne" was perfect for her to focus on containing her bursting bladder and her puffed up plothole. Her legs wrapped around eachother and her buttocks, clenched so hard she feared she wouldn't be able to walk for a week, she finally reached the coda of her performance, ending to a standing ovation.

Getting to her hooves, she attempted a slight bow before being caught by her anus opening slightly to reveal its brown treasure it so dearly wished to deposit right there and then. Clenching with all her might, the rush of blood making her feel dizzy, she successfully slammed her plot shut and made her way off stage, desperately trying to escape to a restroom. Her manager appeared in front of her, saying something about an encore to the purely pained pony..

Forced to turn back, barely making it to her seat without spewing forth her torrent of waste material, she decided to play a more fast paced and jazzier piece to get the horrendous torture over and done with. Her aching legs once again locked in their twisted positions forcing the matter to stay behind her defences, she felt a new, hot sensation building up, making its way towards her strained anus. She knew from seeing other musicians that passing gas in front of am audience like this was the equivalent of shooting her career in the chest. The pain of the liquid jammed up against her leaking orifice and the solids and gasses pent to burst from her swollen rectum was too much and her hips began to involuntarily sway to fend off the flood threatening to jettison from her rump. Fearing the audience would notice her lapse in etiquette, she timed her sways to the jazzy pace of the piece. Finally her short lived encore ended, thankfully without a bang from her rear. Looking out across the crowd she saw that many of the audience had taken her actions as intentional, praising and begging for more whilst the more upper class patrons simply clapped whilst appearing sceptical of the sudden change in attitude.

Almost running off of the stage, Octavia bumped roughly into her long time dj friend, Vinyl Scratch, who also appeared to have appreciated her small dance of desperation, likening it to some of the slutty dances she had witnessed at the mare club, complimenting her by stating that she had stayed awake throughout the performance for the first time in history. Octavia didn't have time for fangirls. She dropped the heavy oak cello onto Vinyl's hoof and shot of, leaving Vinyl staring at her with a knowing look.

Tearing through the hallways of the large concert hall, Octavia finally found a secluded bathroom to offload her highly pressurised body functions into. Dashing into the centre cubicle, she turned to find that the toilet was barely more than a chamber pot that flushed with a few clear centimetres of water inside. It was better than some she had seen, requiring her to twist her tail into painful positions to avoid it dipping into the mess flooding out of her. Sitting down, she noticed the pure bliss of her rotund rump on a cushioned toilet seat,before correcting herself, her marehood dripping with drops of light yellow urine.

Suddenly, to door burst open, two unicorns casually walking in, so deep in conversation about the sex appeal that Octavia had, and how it affected their partners that they almost didn't notice the locked stall. Almost. They took the stalls either side of Octvia, forcing her to thrust her hooves onto her crotch, pressing hard against her lips, containing the bubbling urethra behind them, holding off the flow of sweet relief behind them. Hearing the sound of running water next to her, she removed her hooves, allowing the blissful stream to finally exit her dark lips, tricking into the water at first, but soon turning into a torrent of glistering marepiss. An audible moan almost escaping her lips, she held back at the last second only to find the bubble of gas from before threatening to make its explosive departure from her quivering anus. The last time she had been forced to desperately offload her bowels like this in a public toilet was in school, where she was for evermore known as the 'brown note of the band'. Shoving her hooves back over her open vulva, she managed to halt her blissful urination, sending shock waves of brutal pain into her bladder almost making her lose control of he burning anal sphincter.

The mares either side of her failed to notice the strangled yelp from Octavia, as they were occupied with their own matters. One was busy pissing the remnants of the large amount of wine she had drunk, her teal body pumping out the dark stream from her pink lips as the other purple unicorn was moaning from the relief of shifting the mass of fine cuisine from her bright rectum out of her stretched anus, where it fell into the bowl, splashing water over her nethers. The teal mare also began furiously popping her seal, gas shooting out of her slimy anus, before a wide log nosed its way out, strands of mucus sticking to her well groomed fur as it slid outwards, crinkling as it grew in length before slipping into the water with a plop. This continued on for what seemed like hours to Octavia, the moans and the constant streams of urine breaking the surface of the pools whilst balls of compressed matter fell out one at a time, broken only by strong pops of wind.

Finally their torturous time of perilous pooping ceased, the unicorns leaving without even washing their probably filthy hooves. Almost unconscious from the strain of it all, Octavia let it go, beads of sweat dripping from her aching rump and into her pristine vagina from her hooves. The shockwave caused by the explosive release of fetid air caused the chain hanging from above Octavia to shake violently, bringing with it a long, thick log of pure pony poop, sliding out of her with such force she didnt have time to register the pain of it stretching her anus to the absolute maximum before it had slopped into the bowl, barely splashing the water. Before she knew it, she was squeezing another massive length from her distorted anus, this one requiring her to push, forcing her rapidly deflating intestines to undulate the mass forward, all whist her bladder once again orgasmically splashed its contents all into the mixture, Octavia's face screwed up into an object of pure pleasure. Her anus fired like a Gatling gun, firing wave after wave of gas and rotting digested contents of Octavia. After firing several logs and what seemed to be the pacific ocean from her sore rear, she stood up carefully, shaking any loose droplets from her winking vulva as she did so, wiping carefully around her pained anus, stained with dried shit.

She washed her sweaty hooves well after flushing and probably blocking the pot, the stench of her smooth logs and the fragrance of her strained bladder contents still wafting in the air as she exited, coming face to face with Vinyl, joking about distorting the sounds of her functions to use in music as she handed back her cello.

Author's Note

this was written by based on my original concept on MLPchan by another user named TheBush, who has given me permission to post this here! we're two different people, so don't be thinking that I just wrote the same story again!