A Wicked Substitute

Story by Donker on SoFurry

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Hey guys! This story is a project I wrote for my favorite artist wickedstar. It features my character Jessy, the young horse mare, and his character Safi the gazelle. A lot of you wanted to see more of Jessy aswell, so I hope you like this story as much as I did when writing it!

I am also very excited to announce that wickedstar agreed to make a companion image for this story! So you will see a depiction of one of the scenes in the story.

If you are not familiar with his art, I highly recommend you check out his work. You can find him on here:https://www.furaffinity.net/user/wickedstar/

If you are there already, be sure to give my profile a watch aswell! There are a lot of great users and content on that site aswell, so be sure to check it out.https://www.furaffinity.net/user/donker/


A Wicked Substitute

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[WARNING: WATERSPORTS/SCAT/VOMIT]

[All the characters in this story are over the age of consent.]

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Only five more minutes. The clock slowly ticked away, and the seconds seemingly took ages to pass. Jessy stared at the pages in front of her, trying to focus on the subject of the class. The young mare felt frustrated and tense, she could not wait to get out and head home.

Four more minutes. Jessy shot a fleeting look at the blackboard. Before it, their new substitute teacher was covering the slate with the last content of today's lesson. Her eyes wandered from her bent dark horns to her white blouse, down to her dark tight jeans. A short light brown tail was protruding above her round firm ass. The female gazelle looked absolutely stunning.

Jessy sighed in frustration. This was the reason she was so on edge. The new hot substitute had been occupying her mind since this morning, and she could not wait to get home and release some of her pent-up energy.

Two minutes to go. Her stomach grumbled, and the urge to use the bathroom slowly crept in. "Great", she mumbled. She would have to hurry back on the way home, or this payload would go to waste. Her zebra friends who were sitting to her right shot her quizzing looks. She answered them with a shake of the head.

One minute to go. Jessy returned her gaze towards the gazelle's rear end. She could only imagine what pleasures would lie behind those pants.

The bell rang loudly and with a jolt, Jessy shot up and knocked down her textbooks and notes. She hurriedly tried to reassemble them as the rest of the class was making their way outside.

"Jessy, would you be so kind to stay for a second?"

The mare gulped and looked up. The gazelle sat behind her desk, green eyes fixed on her, and was playing with her piece of chalk. Jessy packed up the rest of her things and slowly walked up to the desk. The rest of the classroom was empty by now, and Jessy prayed this wouldn't take too long. She stood in front of her teacher and gave her a sweet smile, trying her best to hide her mood.

"Yes, mam?" she asked sheepishly. The gazelle looked at her from top to bottom, and Jessy blushed.

"Please, call me Safi" the teacher said. Her green eyes were sparkling, and Jessy could feel her loins quivering.

"I couldn't help but notice you seeming very distracted today Jessy. Any particular reason?" Safi asked with a sweet voice. Jessy gulped audibly again. She knew! Her face turning pink, she tried to speak herself out of this situation.

"Oh no Miss... I mean Safi, it's just I have a lot on my mind recently and I wanted to go to the toilet I MEAN head home right away, sorry if I looked like I didn't pay attention!" she stammered and tried to smile convincingly. Her stomach growled again, louder this time, and the mare tried to avoid the questioning looks of her substitute.

Safi seemed to contemplate her student for a few seconds. Her beautiful eyes wandered over the young horses beautifully dark mane, her cute mouth trying to smile convincingly and showing glimpses of her braces glimmering in the sunlight. She wore a school uniform comprised of a dark vest and a short skirt, a dark tail with pink highlights protruding from her backside. Her toned legs and hooves were covered in stockings, and the perfect picture made Safi sigh internally.

"Listen Jessy, I may only be your substitute, but I have a knack for noticing if something is troubling my students. If you would be so kind to tell me what bothers so, I bet I could help you with your... issue." Safi's eyes seemed to wander from Jessy's loins to her buttocks and back again. The young mare now noticed the teacher's sweet perfume and her exceptionally pronounced cleavage. Had her blouse always been unbuttoned this far?

Safi leaned closer, pushing her boobs up and together even more. Her lips started to smirk as she watched the clearly still uncomfortable horse trying to make sense of the situation. She got up from her chair and walked around the desk, stopping inches from Jessy's face. The gazelle was slightly taller than her, and their snouts were so close to each other they could feel each other's breath. Jessy's eyes were looking up at her, and Safi could see the sexual longing in them.

"You must be aware that I know exactly what kind of school this is" the gazelle said slowly, a finger trailing from Jessy's shoulder down towards her belly.

"Do you? I didn't know gazelles could be so kinky" Jessy grinned back. She could feel the teachers hand find its way towards her crotch and finally let her last inhibitions go. She could feel how wet her panties were already.

"Well then, let me do my job and teach you a few things!" Safi laughed and pushed her mouth onto the horse's muzzle. Her sweet taste engulfed Jessy's mouth instantly as a wet tongue was dancing around her own, mixing saliva and spit and exchanging hot breaths of lust.

The heat of the moment was so intense they could barely keep their hands of each other. Jessy started fondling Safi's voluptuous breasts, her hands sliding under her bra and feeling her soft short fur and erect nipples. The gazelle had moved one hand between the mare's thighs and could feel the sticky wetness already soaking her pink panties, while she was still exploring that hot horse muzzle with her tongue.

After loads of sloppy kissing and moaning, Safi broke their seal of spit and drool and smirked at Jessy. The mare was panting and a small puddle of love juices had spilled onto the floor between her hooves. Safi took her wet fingers into her maw and sucked them sensually. At the sight, Jessy bit her lip and moaned softly.

"You ready for your drink girl?" the gazelle whispered, and seeing the sparkle in Jessy's eye, was quickly climbing onto her desk and turning around, squatting down in front of her student, panties down to her ankles.

Jessy quickly fell down on her knees, her head was now just in front of the lush buttocks of her teacher, and as Safi spread her cheeks, an exotic musky smell greeted her big nostrils.

Losing no time at all, she immediately pushed her face right into the crack, placing her snuffling nose right onto the sweaty pucker, and inhaled deeply. The mix of sweat and musk made her head spin in ecstasy and her labia went wild. Her broad tongue darted out, eager to taste all of the gazelle's juices and fluids.

Dragging it along the swollen pussy of her teacher, Jessy eagerly started lapping over her holes while still inhaling the intoxicating smells.

Safi had her eyes closed and was moaning softly, enjoying the wet tongue dragging along her swollen clitoris and butthole. The feeling of this young mare worshipping her backside while sniffing away greedily was exactly why she had been so excited to take the job at this school.

"Oh gosh, Jessy keep going... I hope you don't mind if I 'let loose' for a while, right?" Safi huffed, her cute butthole already puckering outward. She only got another moan as an answer and took it as a Yes.

The gazelle pushed and let out a loud fart, right into her student's anticipating face. Jessy stopped her licking for a second, simply overwhelmed by the delicious odour clouding her senses.

The smell was exotic and familiar at the same time, and Jessy quickly resumed her licking while pushing her nose deeper into the teacher's asshole, hungrily awaiting the next farts. She was not disappointed, as the next noisy clouds were pushed right into her big nostrils, making her retch and moan simultaneously.

Safi enjoyed the feeling of dousing her cute student in her flatulent gasses, marking her as her own. With the broad horse tongue pleasuring her hole, slurping up her feminine nectar, the pressure on her bladder was increasing and she was longing to relieve herself right then and there.

"Open wide for your drink honey!" she cooed as a strong stream of gazelle urine started hissing from her pee hole. It hit Jessy's tongue and splashed down onto the desk, making a huge yellow mess that was dripping onto the floor in mere seconds.

The young mare kept lapping at the spewing hole before shuffling her muzzle into position and catching the flow of urine in her mouth. She let it fill up to the brim before gurgling loudly and swallowing as much as she could with audible greedy gulps.

The acrid bitter taste made her want more and more of her teachers piss and soon she had her maw locked on Safis pussy, trying to catch every remaining drop of that sweet love potion.

After the gazelle had finished, Jessy released her hold and gasping for air, reclined her head a bit to see the spread ass of her teacher in front of her. Safi was still groaning and straining, and Jessy could see the butthole opening and closing, ready to expel its obviously large load.

"Oh my god..." she whispered, mesmerized by the movements of the gazelle's cute brown shithole.

She opened her mouth and positioned it under the trembling butt, ready to receive her treat right from the source.

"Brace Jessy!" the teacher moaned loudly, and with a groan of relief and accompanied by wet crackling and farting sounds, a huge load of soft warm shit was flung outwards and hit Jessy square in the face.

The poor mare had not anticipated the force with which Safi was shooting out her filthy brown load as it landed on her nose, covering her nostrils and clinging to her lips and mouth before sliding down to her breasts.

The flow of shit had slowed down but was still being splattered all over Jessy, filling her hungry maw and coating her tongue and braces with brown scat. Safi moaned in ecstasy as the smell and sounds filled the room, making her turn her head and admiring her work.

Jessy's face had been completely covered by brown soft gazelle shit, chunks of fecal matter inside of her nostrils and multiple large turds filling her mouth and making it look like the inside of a clogged toilet. She could hear Jessy gagging at the filth that was flowing down her throat as she tried to swallow it all down, breathing through her nose as best as she could.

With her ass still farting and splattering small globs of shit, Safi turned around and bent down closer to her student's brown face. She could smell her own waste and the wicked sight made her pussy quiver in excitement.

Jessy herself tried her best to handle all of the brown muck she had been covered in. Slowly rubbing the spilled shit over her breasts and thighs, she slowly opened and closed her maw. It had been filled to the brink with turds and soft sticky goo, but the warmth and taste of it were oddly comforting to her as she chew and swallowed small amounts, trying to make as much sloppy noise as possible.

Safi smiled broadly, her eyes tingling as she took hold of Jessy's messed up face with both of her hands as she slowly lowered her open mouth, tongue already drooling. She planted her full lips on the horse's brown ones, and immediately her taste buds were assaulted by the vile disgusting taste of her own shit that she had come to love.

They embraced furiously, sharing the huge load of shit between their maws. Tongues rolling around, going as deep as they could, they both started gagging and eating away at the mess. Brown shitty drool was spilling out and running over their cheeks, and they only broke their embrace when they had to gasp for air.

By now Jessy's tongue was visible again, broad and brown as she was licking over her braces, trying to get the remaining chunks of shit out of them. They both started giggling like two little girls, and with one hand sliding in and out of her own wet pussy, Safi slowly brought her free hand up and slowly slid two fingers into Jessy's sticky maw.

Eyes fixed on each other, she slowly inserted her fingers, feeling the wet brown tongue, exploring the mouth of her new-found lover, with Jessy obediently waiting and not moving a muscle.

As Safi went deeper and deeper, she eventually had her fingers at the back of Jessy's throat and was impressed by the level of control the mare had over her gag reflexes. Her grin broadened as she started pumping her hand in and out of Jessy's throat, with the sloppy sounds being music to her wicked ears.

Jessy loved this intrusion and was trying her best to let her teacher finger her throat. She eventually had to gag, and when Safi pusher her fingers deep into her pharynx, her big eyes rolled to the back of her had and a wave of brown liquid vomit came spewing up.

Brown liquid with chunks of shit and food splattered over her face, chest and over her teacher's hand, dribbling down to the already messed up floor. Safi laughed in excitement at the sight and held her messy hand up high. Streaks of vomit, slime and shit were covering it, and she slowly and sensually licked every single finger clean, while Jessy was panting and staring at her in admiration.

She then planted a sloppy kiss right on the gazelle's open mouth, pushing some of the remaining waste out and into the waiting muzzle, and the expert teacher swallowed the gift without hesitation.

Jessy smiled wickedly and commented "I see you like it straight from the horse's mouth!"

That was when her intestines rumbled loudly again.

"I hope you like it straight from the horse's ass as well?" she grinned, brown goops of shitty vomit still clinging to her braces.

Safi laughed out loud and took Jessy by her hand and helped the messy girl get upright.

"Get up here and show me what you learned you stinking mare!" she groaned. She was craving some filth now, having tasted her own puked up shit, and her pussy was inflamed with lust.

Jessy quickly lost her skirt and panties and got up to the desk, while Safi took her place on the floor. As the mare lay on her back, spreading her legs wide and inviting, the gazelle got her face right into the young horse crotch, placing her nose onto the soft mound of the wet flower and enjoyed the deep complex smell of the cute pink pussy.

Her attention then shifted downwards, admiring the pink butthole just above the long dark horse tail. It smelled musky and ready, and Safi dragged her loving tongue over it a few times, making Jessy moan and flick her tail a few times.

Safi started making out with the lovely smelly pucker, pushing her tongue deep inside, trying to moisten the depths of Jessy's rectum and get a taste of what was soon to come. All of this stimulation made Jessy tilt her head back and she started rubbing her pussy in front of her teacher's nose, increasing the smells of her juices again.

Her intestines were rumbling and straining loudly now, and Safi could feel the inside of the puffy horse pucker start to open. She instinctively placed her whole maw on it, creating suction and helping the filthy horse manure slowly but steadily stream out.

Jessy whimpered desperately, the feeling of having her shit sucked straight out of her giving her immense dirty sexual pleasure. Mouth open, eyes rolled back, she arched her back and increased her rubbing motion as the first load of horse dung was expelled from her twitching butt hole.

It flowed right into the gazelle's muzzle, pushing down her tongue and forcing its way to the back of her throat. The teacher was greeted by a wave of rancid filth, and the taste of the massive horse log was almost overwhelming Safi's senses for a moment. She gagged and her eyes rolled back, but she quickly regained her composure, relaxing and letting the heavenly disgusting taste wash over her.

The massive turd was filling her whole mouth and made its way to the back of the throat, with Safi's tongue caressing and guiding it all the way until her throat muscles started to swallow it down.

With expert sucking and swallowing motions, the first long turds filled Safi's stomach and gave her a warm feeling of kinky sexual fulfilling. She broke off the last piece of shit still in her mouth, catching the remaining droppings in her hand.

The teacher was impressed by the sheer volume of shit the cute young horse was producing. She started chowing away at the brown sticky turd in her mouth, and her teeth were quickly and messily chewing up the waste, producing sloppy wet noises of filth in the process.

Jessy was farting out more of her horse apples and looked at her teacher, the disgusting chewing and swallowing noises like a heavenly choir to her wicked mind.

"Fuck yeah..." she whispered, as she admired her teacher handling the mound of waste she was producing.

Safi had closed her eyes now, and her belly seemed to have a little bulge from the amount of shit she had already swallowed. The by now liquid waste she was chewing made her maw into a literal sewer and was spilling over the side of her cheeks.

With a final effort, she closed her mouth, and Jessy could the bulge of the gazelle's throat travel down as she swallowed the final load of shit, before exhaling loudly and groaning in delight.

"Mmmm that was delicious honey... Let me reward you for that!" Safi hissed, staring lovingly at Jessy's twitching horse pussy. In her hand, she still had the last of Jessy's load, a handful of warm soft and sticky horse manure. She started mushing it into a lovely shit log and placed it at the entrance of Jessy's love cavern.

The mare quickly spread her legs even wider and pulled apart her pink pussy lips, already whimpering at the warmth her shit was emitting. Safi slowly inserted the sticky mess into her waiting pussy, and the mare sighed with relief at the warm filthy intrusion.

Slowly pumping her shitty fingers in and out, Safi let her brown tongue flick over Jessy's swollen clitoris, giving her a sensual licking she wouldn't soon forget.

The feeling of sticky mess being pushed deep inside her womb was driving Jessy wild, and all she wanted was more.

"Please fill me up, please Miss fill my pussy!" she moaned in between breaths. And Safi did not need to be asked twice.

Her shitty hand retracted from the horse's steaming vagina and she pushed her fingers down her own throat, heaving and retching loudly before plunging her mouth back down over the horse's gaping hole and hurling a whole wave of rancid runny shit right into her sacred tunnel.

Jessy was neighing loudly at the feeling of this abominable intrusion, her womb being filled and stretched by the wave of shit that was being puked into her. Safi released her lock on the lucky horse's hole as another wave of puke spew from her maw all over the young girl's crotch and her own body and admired her masterpiece.

Jessy's pussy was completely stained in brown vomit, with globs of liquid manure and puke dripping out of her twitching hole, her womb obviously filled to the brim with regurgitated horse shit. She had her legs opened wide and invitingly, with one hand rubbing her brown clit furiously while sucking on one of Safi's turds she had scooped up from her cleavage.

The gazelle hopped onto the desk, turned around and straddled Jessy's face with her aching pussy. They started to lovingly 69-each other, with Jessy slowly pumping two fingers into Safi's shitty butt hole while the gazelle was slurping away at the shit and vomit filled pussy.

It did not take long until Jessy was cumming hard, long spurts of horse juice squirting right into Safi's completely messy face. She gulped down a mouthful of shit and laughed "Now that's what I call eating out!"

They both laughed at their silly jokes, and the gazelle was soon orgasming hard as well, grinding her inflamed pussy over Jessy's shitty tongue and face until they both finally calmed down, happy and exhausted.

Suddenly, the door opened and they both jolted and stared at the intruder.

"Jessy where are you, come on mom is waiting for... oh fuck..."

Jessy's older brother Finn was standing in the doorway, staring at the two completely messy love birds. Safi looked at the noticeable bulge in his pants and bit her lips, and Jessy flashed him a broad grin, exposing her brown braces.

"Hi bro! I'll be there in a minute!"

Safi winked at the handsome horse boy, grinning at the sight of his red flushed face.

"Hey handsome, I believe I have your class tomorrow! Hope you'll be ready!"

The End