Detention

Day 1: A Very Productive Day

Thunderlane was a stallion that was just trying to coast his way through his four years at Ponyville high school. He wasn’t trying to exceed anyone’s expectations, nor was he trying to be the school’s big name athlete. He wanted the attention to go anywhere else that wasn't his direction, and work towards graduating so he could get out of Ponyville. Unfortunately, that unwanted attention still came his way thanks to his friends. They tended to be the ones who liked to put the worst possible spotlight on themselves by performing the most idiotic stunts imaginable. He may try to keep quiet and distance himself from their stupidity, but people will always group him with them. To the school, he’s just another nuisance; a troublemaker willing to do anything for attention.

Some people would say that he should find new friends if they're giving him such a bad reputation. He has thought about it, but he could never bring himself to do something so rash. He’s been friends with those guys for as long as he’s lived in the town of Ponyville. They've always been there for each other; through every exhilarating high and devastating low.

The only real concern he had towards them was how their personalities changed in the time they had spent together. Sure, his friends had always been young thrill seekers; always going out in search of something to get their adrenaline pumping. It wasn't until they reached high school, however, that their thrill seeking turned into stupidity. Some of the things they would do just looked like they were done to intentionally get in trouble. He always thought there was some kind of ulterior motive behind their actions, but he never looked into it. He didn't want to take the risk of getting punished for the actions of his friends.

No matter how hard he tried to avoid it, however, that trouble would still eventually come his way. All it took was being in the wrong place at the wrong time to be seen as an accomplice for the vandalizing of school property. While the rest of the group were all handed a harsh four day suspension, he got off a little easier with detention for that same amount of time. However, he didn't see this as a smaller punishment. He was getting the same treatment as the rest of the group without doing anything wrong. How was he going to be able to explain any of this to his parents? All he knew was that this might have been the wake up call he needed to distance himself from those guys.

As he walked to the detention center, he tried to think of the upsides to this situation. He was falling behind on some classwork, so the quiet downtime could give him the space he needed to finish some papers. As long as he didn't pull his phone out, he shouldn't have much of a problem.

Another positive for Thunderlane was the fact that study hall was being manned by the librarian, Ms. Sparkle. She was shy, but always very helpful when he needed it. She always had the best advice for him; whether it be a new book to read or help on a project in school, and she would always give it with a smile on her face. He didn't know why, but there was always something very quirky and inviting about that smile.

That beautiful smile was paired up with an absolutely gorgeous body. He swore that curves like hers had to have been molded by Faust herself. Her large, rounded hips and toned legs hid under a skirt that hugged her figure like a glove. He hated to admit it, but he loved to watch her rear bounce under that skirt with every step she took around the library. When you look a little farther up, you see a white button-up shirt struggling to contain a pair of breasts that he swore were at least a d-cup.

Ms. Sparkle wasn't the only beautiful mare that would be in detention that day. From what he had heard, Rainbow Dash had gotten herself in trouble again. The school’s star athlete had a tendency to bully and harass the freshmen, so a big ego was a given. In fact, her ego might be almost as big as her breasts, which were abnormally large for a track star. She must pay hundreds of bits in sports bras to keep those flesh pillows from bouncing around painfully in every race she competes in. She tried to hide it with loose-fitting clothes, but her strong, toned stomach and legs complimented her wide hips very well. Dash was probably the best example of hitting the genetic lottery; athletically gifted with the body of a supermodel.

Thunderlane hated to admit it, but he had spent many nights fantasizing about what he would do to those two mares. He imagined pulling their soft bodies into his own and kissing them, letting his tongue enter their mouths and start wrestling with theirs. He thought of laying them down on his bed while massaging every inch of their silky smooth skin. They would moan as their muscles would become putty in the soft touch of his hands. One of his hands would reach for their thick thighs, and start to feel up…

No. Thunderlane thought to himself as his stallionhood started to slowly grow out of his sheath. This is going to be a day where you get work done, and you aren't going to let nasty thoughts distract you from that.

He quickly worked to get those thoughts out of his head as he resumed his pace towards the detention center. Today was a day for work. If he was going to graduate this year, he had to remind himself that throughout the afternoon. This is not going to be another day of slacking off for him.

He didn't know why, but he could tell that today was going to be a very productive day.

The school day had already ended, and the halls were already cleared out as Thunderlane neared his target destination. He walked quickly to get inside in an attempt to not be any more late than he already was. As he got close to the door, he was startled by the sound of a pained scream coming from inside the room. His mind raced at the thought of what was happening inside that door. He wanted to look through the window on the door before entering, but someone had conveniently closed the blinds on the windows before he got there. He found himself now afraid to open the door. Was someone hurt? Was there a fight? Is someone being attacked? All of those thoughts raced through his head as he mustered up the courage to open the door.

With the turn of a handle, Thunderlane found the last thing he would've ever expected. Female clothes were scattered all across the desks. He was quick to realize that those clothes belonged to the only two other people he was told were going to be in detention with him. A loud snap and another scream drew his attention to the right as he got view of the spectacle that truly surprised him. A fully naked Rainbow dash was bent over with her hands on the chalkboard as Ms. Sparkle spanked her cyan ass red with a yardstick.

There were so many problems with this scenario, that he couldn't even count them all. He couldn't even count all of the student conduct policies this broke. The most glaring issues with this scene, however, were the ones that were throbbing in between the legs of these two girls. Both were sporting a package that easily stretched down below their knees. That's at least 18 inches of wood for each of them, and neither of them looked fully erect! Their floppy members were as thick as their wrists, and drooling copious amounts of precum from balls the size of goose eggs onto the floor.

“Are you going to stop picking on little fillies?” Ms. Sparkle asked sternly while taking another swing at Dash's flanks.

“Y-yess-NGH… I’ll st-stop picking-AH on little f-fillies…” Dash barely managed to mutter out through the barrage of spanks being swung at her rear.

“Are you going to give their money back as well?” Ms. Sparkle asked with another crack of the yardstick.

“M-maybe… GAH!” Dash attempted to joke, just to receive another spank.

“Wrong Answer!” Ms. Sparkle quickly retorted.

Thunderlane tried to keep himself from looking at the sight In front of him, but he just couldn't help himself. The sight of her ass jiggling ever so slightly at every smack of Ms. Sparkle’s yardstick was just mesmerizing. The rhythmic swaying of Dash's massive pendulum of a cock was the only thing that kept him from believing this was real. They couldn't actually have those, could they? Sure, that could be a reason why Dash exclusively wears loose clothing, but there was no way that either one of these ladies would actually be sporting something this massive. That's impossibly large even for the most well-endowed stallions. He must have fallen asleep, because a scenario like this only happens in some crappy fanfiction. Even if this was real, he could never imagine sweet Ms. Sparkle being as stern as she was acting right now. She always seemed like such a kindhearted lady, and would never act so crude and dominant, would she?

“Well look who finally decided to show up.” Ms. Sparkle said, finally directing her attention towards Thunderlane. “You're pretty late, you know.”

Thunderlane froze at that sentence. They knew he was here. A drop of sweat slid down his forehead as he felt Ms. Sparkle’s gaze dig into his soul. Ms. Sparkle let a mischievous grin grow on her face at the sight of his pure fear.

“‘Sup dweeb.” Rainbow Dash said with a cocky grin, finally looking back to see who entered. Thunderlane could see tears rolling down her cheeks from what he assumed to be the intense spanking she had just endured. He was surprised she was able to keep up her cocky persona after what would be seen as social suicide for someone of her popularity. Either she was really confident that he wasn't going to tell anyone about this, or this happens so often that she doesn't care who knows. That only raised a question for him; how often does this kind of thing happen in the detention center?

“Ahem.” Ms. Sparkle cleared her throat to get Thunderlane’s attention back. “You know, there is a punishment for showing up late for study hall.”

Thunderlane gulped. “W-what might that be?”

Ms. Sparkle then looked down to Rainbow Dash, and she looked back up to her. They seemed to say something to each other without speaking. With a mischievous giggle, they looked back at Thunderlane. At this point, he knew something was up, and he didn't think he was going to like what was going to happen next.

Using her yardstick, Ms. Sparkle lifted Rainbow Dash's tail, and moved it to the side. With that, Dash’s ass was now exposed to the world in all its glory. Her ass was just as incredible as he had always imagined; toned and muscular with just a slight touch of fat to round it out. There was just one BIG problem with it at the moment, and it was replacing what should be there in between her lower cheeks.

“As punishment for your tardiness, you are to eat Rainbow Dash's ass.” Ms. Sparkle said with a commanding tone.

Now Thunderlane was absolutely sure that this was all some sick dream. He went back to thinking that he was still back in his last class of the day, and that he just dozed off in the middle of a boring lecture. He started pinching himself on the arm in any attempt to wake himself up from this weird dream so he could finish the real day. A reality where girls weren't making him feel inadequate about his size.

“This isn't a dream, honey.” Ms. Sparkle said while walking past Thunderlane to close the door he left wide open. “This is all real, and so is the order I gave you. So get over here and do it!”

She grabbed him by the neck and pulled him over to the chalkboard. He was so dazed by the whole situation that he wasn't able to put up any form of resistance to her actions. Once she felt he was an adequate distance away from Rainbow Dash, she bent him over so his rear was up in the air, and his face was hovering over her flank. He was forced to grab onto said flank to keep from falling forward with his face in between her cheeks. As soon as she had him bent over, Ms. Sparkle started to undo the straps on his belt in preparation to pull his pants down.

He never thought in all of his four years of high school that he would get this close a view of Rainbow Dash's rear. So many other stallions in the school would give anything to be in his current position, and he would probably give them that opportunity if he had the possibility. However, her plot was still quite the sight to behold. He could see every inch of definition on her lower cheeks, and they looked just as firm as they felt in his grip. There was almost no give; no indent that his hand made with a squeeze of her flank. All those years of track and field competitions have done numbers to make her body as toned as a true athlete , while still maintaining the curvature of every little colt's dream girl. If he didn't know better, he would say she could fold iron with buns that strong. Then he looked in between those cheeks, and her puckered ring stared back. He froze as he knew what they expected him to do next. Sweat was rolling down his face profusely as he tried to think of a way out.

Rainbow Dash groaned in impatience. “What are you waiting for!?” Thunderlane could almost sense a trace of need in her voice as she tried to push her flank into his face.

“W-where’s the-” Thunderlane started.

“Slit?” Ms. Sparkle said, finishing his question. “Honey, did you pay attention in biology class? Being born with both is considered an extremely rare circumstance for a reason. The only reason you should be surprised that neither of us have a slit is if you have both, and you've never gotten this far into a relationship before. If that's the case, congratulations on finally reaching third base, you freak of nature sissy boy.”

Thunderlane suddenly felt his pants and boxers get pulled down to his ankles by the mare behind him, if he could even call her a mare anymore. A light breeze blowing against his exposed genitals made him shudder as Ms. Sparkle closely inspected his flank.

“Huh. I guess you don't have both.” she said sarcastically; mocking his fear of the situation. “Well either way, my previous order still stands. Now eat. HER. ASS!”

She picked her yardstick back up and quickly slapped it against his flank. A loud shriek left his mouth as the stinging pain his flank was instantaneous. Rainbow Dash took the opportunity to reach back with one arm and grab the back of his head while the pain distracted him. She then lowered his head roughly into the space between her flanks. He tried to struggle his way out, but in between the stinging pain in his flank brought on by Ms. Sparkle’s yardstick, and the constant pressure on the back of his head from Rainbow Dash, he found himself unable to escape.

“You know, I’ll let go of your head as soon as you start doing what you were told.” Rainbow Dash said in response to his pained protests.

As much as he hated it, he knew he had no other choice. He didn't want to know what would happen next if he were to struggle further. He closed his eyes, opened his muzzle, and slowly let his tongue slide out from it. Rainbow shuddered as she felt him lick from the bottom of her taint, to the tip of her ring.

Thunderlane then took a moment to register the taste of her plot, and he realized it didn't taste as bad as he feared. The musky, salty taste of her sweat mixed with the fleshy taste of her skin actually tasted kinda nice to him. He didn't know if these dickmares were slowly driving him mad, but he actually wanted to go back in for another lick, and another, until he just resorted to giving her plothole a constant tongue bath. Instead of feeling the pressure on the back of his head cease, however, he felt her push down on his head harder.

“Come ooon, boy-ngh. You gotta… J-just… get your t-tongue-gah! inside of there…” Rainbow Dash was barely able to say in between lustful pants.

He subconsciously inclined her request, sticking as much of his tongue inside of her as he could, and eliciting a loud moan out of the rainbow pegasus. The flavors he had identified earlier were all intensified as he took in the sensations given off by her flank. The pressure on the back of his head was quickly pulled away, and replaced by the clenching and grinding of Dash's ass around his poor muzzle. Even with an immense amount of pressure being put on his face, his tongue still held strong; twirling around inside of her pucker to gather all of the flavors he could. The musky smell coming off of her ass mixed with this incredible taste was intoxicating for the young stallion.

The spanking he was receiving wasn't feeling that bad either. The initial stinging of each impact started to dull down, and was replaced with a tingling sensation in his nerves that made him shiver with lust. The newfound sensitivity of his flank made anything that touched if feel like heaven. What started out as an excruciating pain in the flank turned into his newest source of pleasure.

Suddenly, the spanking came to a grinding halt. Thunderlane was disappointed in the fact that Ms. Sparkle stopped, but the cool breeze blowing on his sensitive nerves kept his buns relaxed. To his surprise, he felt a wad of spit drench his exposed hole. He heard her spit a second time, but didn't feel it land anywhere on his body. He tried to look back to see what she was doing, but Dash denied him the opportunity; pulling his muzzle back into her ass with her hand as soon as he tried to turn his gaze around. He was curious as to what Ms. Sparkle was planning, but he told himself that he would find out soon enough. For now he might as well give Rainbow Dash what she desired, and stick his tongue back in her puckered hole.

He didn't have to wait long to figure out what Ms. Sparkle was doing, as she spread her ass open with two fingers. He squirmed and squealed at the surprise of the intruder, but he was never able to fully resist what was happening. His mind was too drunk with pleasure to do anything like that.

Without resistance, Ms. Sparkle was free to do whatever she wanted with his ass. She thrust her fingers in and out, twirled them around, and used them to spread his ass wide; all in an attempt to loosen his tight pucker enough for her to get her 20 inch long mamba inside of him. She knew she could do nothing with her fingers that would truly prepare him for something as big as her massive marecock, but she had to do something. She knew she was going to rut him absolutely senseless, but she didn't want to break the kid.

While fingering his tight ring, she leaned into Thunderlane. She leaned in close until her mouth was hovering over his ear, then began to whisper.

“Do you want to know why your friends try to get in trouble so often?” she cooed directly into his ear.

Thunderlane stifled a moan out of his mouth in response. It was the best he could do at the moment as a mouthful of rainbow plot prevented any other form of speech at the moment.

“Well, to put it simply, it's me. I'm the reason your friends are always up to no good. I remember the day that the first of your friends got sent down to me. I think he got detention that day for cheating on a test or something. Well, no matter what his ass was sent to me for, it got sent out stretched a few inches wider. That boy had one of the tightest asses I had ever felt in my life, so I was so happy when he came back to my detention center no more than a week later for doing some outrageous stunt through the halls. One by one, each of your friends would come through here, and one by one would get rutted silly. Every time, they would always come back to serve another sentence. It’s funny, really, how my cock has turned a group of growing stallions into nothing more than a gang of cum-hungry sluts,” Ms. Sparkle said.

She then slid her fingers out of his puckered star to get a firm grip on one of his flanks. “But then there's you. You're the elusive young colt that managed to keep out of trouble all this time. No matter what kind of bad situation you were forced into, you would always come out unscathed. I have spent so long hoping that you would finally slip up. Do you know how hard it got to not just take you in the library? The way you sway your hips with every step just makes me feel like you're just teasing me.” Ms. Sparkle then strikes her hand back down on the flank she had a grip on, eliciting a deep moan from Thunderlane. “Plus, you've got an unusually soft and curvy flank for a colt.”

Ms. Sparkle then decides to stand up straight and rest her fully erect marecock on the small of Thunderlane’s back.

“Well now you're all mine.” Ms. Sparkle said with more power in her voice. “Not just for today, but for the next four days you'll act as my own personal cocksleave.”

She then slid her cock down his back; inching her tip towards his ass until it was knocking at the door.

“You don't even know how long I've wanted you to ride on this cock.” she groaned as she pressed her flared head against his entrance.

Thunderlane’s hole instinctively clenched to keep the intruder from gaining access, but any kind of resistance would be no match for this horny mare. The precum leaking out of her tip acted as lubricant as inch after grueling inch worked it's way into the confines of his ass. Ms. Sparkle didn't care how much effort it would take; she was going to force the entirety of her shaft inside in the first thrust.

When he took half of it, she wasn't done. When he hit the medial ring, she didn't even take a break. With just a few agonizing inches left, she didn't see her job as done. She wasn't giving him a break until she could feel her hips pressing against his pillowy rear. Her hard work would eventually pay off for her, as her lower stomach was finally greeted with the smooth skin of Thunderlane’s plush flank. She decided to stay there for a little while and savor the feeling of his contracting anal cavity.

Thunderlane let out a girly moan as her cock sat inside of him for what felt like an eternity. He could feel his belly bulging outwards obscenely as this large obstruction in his behind was nearly too much for his body to handle. Pure unadulterated pleasure rushed to his head as he had to keep himself from passing out right then and there. He had never felt this full in his life. Not even the biggest Thanksgiving dinner could give him this full a feeling of satisfaction. Even with this much pleasure stretching him open, he still had this insatiable feeling in his gut that wanted more.

“Hey Dash, I think it might be about time to get your ass out of his face.” Ms. Sparkle said bluntly to the cyan mare.

“Why? I’m really getting into this right now.” Rainbow said, still grinding her toned flank against his face.

“Don't you think there are other things he would want in his mouth right about now?” Ms. Sparkle said, not-so-subtly hinting her on.

“Oh yeah, he definitely does~” Rainbow said, finally catching on to Sparkle’s hints.

She stood up with one swift movement, letting the tongue inside of her quickly slide out. A string of saliva was the only thing connecting Thunderlane’s mouth to her pucker for a moment before she turned around and presented her tremendous cock to him. Just a mere ten minutes ago, he deeply feared the cock before him. Now, he was a quivering mess that would give anything to have that monster inside of him. He let his mouth hang wide open with his tongue dangling out as he awaited her entry.

That entry was denied, however, as Dash resorted to resting her large member on his face. Globs of thick pre that stuck to her member were transferred onto his face and into his hair. He was forced to look at the mess she was making all over his face as the thick cock easily took up his vision.

“Now open wide~” Dash practically moaned out as she lowered her shaft down to Thunderlane’s mouth.

He parted his lips as far as he could to try and ensure the successful entry of the mammoth that was inches from her face. With a little bit of struggle and plenty of jaw pain, she finally managed to squeeze her flared head inside of his maw. With one of the thickest parts of her length breaking through, the rest of she shaft started to slide in with ease.

Once she reached the back of his throat, however, she was forced to halt and give Thunderlane’s untrained gag reflex time to adjust. He had never tried putting something this large in his mouth before, so he had no way to prepare for anything like these 18 inches of mare meat. He tried to control the gag reflex, but every attempt would give in to an excessive amount of hacking and coughing. Dash's patience towards his fruitless attempts grew thin, and she decided to take initiative by thrusting deep into his throat. The convulsions his throat made every time he choked or gagged only invited her to thrust harder and deeper into his esophagus, leaving him to train his gag reflex on the job.

Ms. Sparkle finally snapped out of her blissful state hilted inside Thunderlane’s flank once she felt Dash's thrusts pulse through his petite body, and quickly worked to match the their speed. The soft plap, plap, plap of her heavy balls hitting against his thighs rang out across the room along with the audible gagging of a throat stuffed completely full.

Thunderlane, meanwhile, was on the verge of passing out as he was thrown around like a ragdoll by the alternating thrusts of the two mares above him. He felt so utterly powerless from this position, yet it made him feel so good. To him, it felt like surrendering all power was the only way he would feel true bliss. Being used like a cheap sex toy the way he was only served to turn him on more than anything. He felt a particularly hard thrust from Rainbow Dash’s powerful thighs crack against his muzzle, and he lost all control over his own body. He felt his mind go numb with ecstasy as cum began to fire out of his little rocket. His ass clenched around the steaming rod occupying it with every load that fired out of his. A deep moan vibrated through his throat, sending waves of pleasure through the pole that was occupying it.

Thunderlane’s orgasm was what brought the two mares on the verge of theirs. Any rhythm that could have been found in their thrusts was abandoned in favor of urgent, erratic thrusts. Their balls churned as they prepared a piping hot helping of baby batter to be delivered directly into his core. They tried to hold it back just a little longer so they could feel his insides hug their lengths just a little longer, but they couldn't prolong the inevitable.

No warning was given for their oncoming orgasms. The closest thing Thunderlane got to pretence were the loud groans the two mares made as they bottomed out and unleashed their seed inside of him. He could feel his already stretched abdomen bulge further due to the shear volume of semen being packaged inside of him. If Ms. Sparkle’s rod was any smaller, that semen would've been able to find a way out of him, but her cock, the size that it was, acted as a plug. His already bulging throat throbbed with every load that traveled its way down the shaft occupying it, as warm cum was directly dispensed into his stomach. Load after load from both ends continued to fill him up.

By the time their orgasms subsided, Thunderlane looked like he was a pregnant mare of two months. Ms. Sparkle and Rainbow Dash pulled their slowly softening members out of the colt, and watched him flop to the floor. While he was too tired to move at the moment, he somehow managed to find the will to keep from passing out after all he had endured. The two mares took a moment to admire their handiwork, then went to gather their clothes.

Ms. Sparkle was the first one to get her clothes on, and confront the semiconscious colt.

“Hey, just a heads up, the janitor will clean you up and make sure you get home safely. Try to sleep well, okay? I’ll see you tomorrow.” she said with a reassuring smile. After everything that went down this afternoon, he forgot that Ms. Sparkle even had a soft side to her, but her caring and helpful attitude was still able to shine through in the end. That smile didn't do much to fix the soreness of his flank that she caused, but it did help reassure him that everything would be alright. He tried to thank her, but she was already out of the room before he could find the power in his throat to speak.

Not too long after Ms. Sparkle left the room, Rainbow Dash had finished getting herself dressed. However, she didn't leave the room immediately. Instead, Thunderlane could see her writing something on a small piece of scratch paper. As soon as she was done writing she dropped the note on the floor next to him.

“Hey, that was pretty fun. If you ever want to do something like that again make sure to call that number, okay? See ya.” she said as she walked out the door, closing it behind her.

“Bye…” Thunderlane weakly said with what power he had in his throat. He knew no one would be able to hear him, but he thought he might as well test the condition of his throat to see if he was going to be able to speak tomorrow.

There he was; left all alone in the detention center in the worst possible condition. His pants were around his ankles, and his shirt was covered in cum. He currently had the speaking voice of a pack-a-day smoker, and his belly bulged out like he had received the world’s first male pregnancy. Even with all of these things that happened to him, he still felt at ease. As he finally drifted out of consciousness, he could only think one thing.

Today wasn't really that productive after all.

Author's Note

I might be kinda gay lol
As you could probably tell, this is a one chapter story that was written on a very counterproductive day. This was intended to stay a one chapter story, but if this gets enough support, then I might just be obliged to add more chapters to this.
I kinda pulled an all nighter to ensure that this was released as soon as possible, so if you notice any typos or grammatical errors before my tired brain finds them, feel free to tell me where they are in the comments, and ill fix them as soon as possible

That all being said, thank you for giving this story a view, and I hope you enjoyed!
-Wolfgang