Swim at the Castle

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#3 of Commissions

After a day of hard work, Spike and Twilight decide to go to their little secret spot under the castle for some proper relaxation.

This is a commision work for Daemont!


Swim at the Castle

It had been one of those days. The kind of day in which either everything went wrong or everything was so dull it hurt. The kind of day where one could believe some deity had taken it upon itself to make your day miserable by stretching the sense of time all around you.

Twilight Sparkle, Princess of Friendship, and her little brother, number one assistant, personal confidant, and best friend, Spike, were quite familiarized to those days. But even they had their limits, and those had been surpassed and crushed before noon arrived.

"Dear Princess Celestia, I quit. Send that note to her, Spike, pleeeeease!" Twilight whined as she slumped across the Cutie Map, narrowly avoiding facepalming against the surface. She let out a loud, drawn-out groan before continuing. "I love being a Princess but it's so much woooooork. I quit, take my wings, I don't want to see another complaint or political message again in my life!"

Spike, in no better mood than the lavender alicorn, sighed as he placed a cup of tea and a cupcake next to her. The cupcake and half of the steaming cup of tea vanished in an instant and he placed a second cupcake on the now-empty platter, only for it to also vanish along with the rest of the tea.

"Did you at least have anything to eat, Twi?" He asked, concerned.

Swallowing confectionery goodness in her mouth, she answered. "I didn't have the time to move away from my desk! At least you were out of the castle for most of the day... how did things go, by the way?"

"Complaints, complaints, more complaints, running back and forth checking off the grocery and materials list, cleaning the windows, the outside pillars. Oh, I also had to set on fire the tails of two stallions claiming to be your biggest fans as they tried to enter the castle," he explained, sitting on his throne next to hers and gulping down a cup of tea and a cupcake of his own.

"Only two today? Either I'm running out of 'Number one fans' or they're starting to get the message," Twilight groaned again before letting out a huge sigh. "Thank Luna tomorrow is our day off, Spike. Got any plans?"

"Nope," he replied before drinking the rest of his tea. "Do you?"

"I plan on stuffing my face with hayfries, hayburgers, and all the soda I can drink. Then, read some books, maybe work on a few of my charts, and visit Fluttershy for some of her organic coffee."

Spike made a chef's kiss. "We may need to do something for Fluttershy as a thank you for her coffee beans, Twi. Celestia knows we would be lost without it," he chuckled.

"You're ten, Spike. You can't drink coffee," Twilight replied, smirking.

Spike smirked back. "Hey, I'm the dragon here, not you! If anyone's going to be greedy around here is me!"

The two shared a short laugh before Twilight straightened up and leaned back on her throne. "Do we have anything left in our schedule for the day, Spike?"

"Let me check," pulling out a paper scroll from his satchel bag, he unfurled it. "That's done, that's done too, yup, done, done, done, aaaaaand done... huh, Twi?"

"Yes, Spike?"

He re-read the list a second time just in case he had made a mistake. There wasn't. "We're done..."

Twilight blinked, confused. "Done? As in, done done?"

"Yeah," he scratched the back of his head and rolled up the scroll. "We're done for the day!"

"It's nearly sunset... so that means we finished ahead of schedule for once!" Twilight jumped out of her seat and did a little, happy dance next to her throne. Her shoes had been left forgotten in her bedroom and her clothes were less than Princess-y, though given that she was neither one to show off her status and that she didn't leave the castle making her shorts and loose shirt rather fitting.

Spike smiled as he watched her celebrate for a couple of seconds before speaking up. "Hey, Twi, where's Starlight?"

Finished with her impromptu celebration, she turned to him. "She said she'd be out with Trixie and come back tomorrow or the day after, why?"

Now Spike smirked. "Ohhhh, nothing, nothing. I mean, don't you think it's the perfect time to go 'down there'?"

Twilight blinked and a wide smile formed on her face before she nodded in agreement. "Indeed it is, Spike!" With a flash of her horn and several doors shutting and locks turning, she teleported to his side and grabbed his hand. "Come on, let's go! It's the first time we have a chance to enjoy ourselves in the past couple of weeks!"

Spike nodded a bit too eagerly, but then again, he couldn't help it. She was right and they both more than deserved some private time off. The duo ran through the hallways of the castle until they made it to the under chambers below the library section. Then they kept on going to the dungeons below and from there, they took a secret route that only they knew about.

He still remembered, clear as day when they stumbled upon the secluded passage thanks to their joint curiosity to explore their newfound home as they descended the stairway leading to their most priced secret.

Then, they came face to face with a door that illuminated itself upon their approach. Twilight summoned a magic key and turned the lock, opening the door. Stepping into the large, ample room, the dragon and alicorn breathed in deeply the familiar sight they only knew about so far.

Like the rest of the castle, the room they were inside of right now was made out of crystal and was well-illuminated on its own. There were a few pillars here and there, mostly decorative as they found out, and the temperature of the room was higher than in the rest of the castle. The reason was obvious: it was thanks to the large pool filled with flowing, heated water. It was never too cold nor too hot, it always stayed the same temperature as it came from a smaller pool acting as a sort of spring.

Where did the water come from or where it went was a mystery. And for the first time in her life, Twilight was content to ignore it and decided to enjoy the most unusual gift the Tree had given her, for some reason. Aside from the pool, which was big enough to fit a few hundred ponies quite comfortably and was also twenty meters deep, there were a couple of sets of stairs to get out from the pool, the smaller spring, and all the furniture and appliances the two of them had moved to make the room a functional cross between recreational area and washroom.

The first to move was Twilight, not thinking twice before removing her shorts, panties, and shirt. She levitated them away to a nearby hamper and stretched.

Spike also removed his vest, shirt, and pants, with the alicorn wordlessly levitating them away, too. While Twilight stretched, he admired her body. There was no shame or lingering guilt in doing so, she loved the attention and he loved to see her naked body. He could still not believe the changes that came with her ascension to alicornhood. Not only had she gotten taller, stronger, and more powerful, but her body had also been enhanced.

For as long as he could remember, she had always been curvy if somewhat pudgy, but becoming an alicorn had changed her pudginess for additional allure. Her hips widened a bit, her waist thinned slightly, her buttocks grew, her thighs lost their extra fat and turned more muscular, her torso also gained more muscle as did her arms, and, of course, her breasts expanded.

If her breasts were already on the bigger than average size before her ascension, not they were prodigious, only toppled by Fluttershy's. Each one of her mammaries was now bigger than his head and he had the fortune that his height put him directly at eye-level with her lovely juggers.

"Hey, Spike, before we go for a swim, why don't we take a bath first? I think we both need a bit of refreshment so our muscles ease up before swimming, don't you think so?" She proposed, unphased by the fact that her little brother in all but blood had a raging erection.

"Sure thing, Twi!" Came his reply.

The two calmly made their way to the smaller pool, the spring itself was larger than a jacuzzi and just as deep, perfect for their purposes.

"Aaaaaahhhhhhh~" she moaned as she submerged in the warm, welcoming, crystal clear water until the underside of her breasts splattered against the surface of the water. She took the moment to admire her number one assistant's body. Hmmm, he's still young even by dragon standards, but I have to admit, he's just too cute! She squealed internally as she analyzed the lithe body of her surrogate little brother in more detail. Dragons sure mature faster than ponies, eh?

She felt her loins burn slightly and she eyed the red shaft standing proud from Spike's nethers; good, pleasant memories of it and more pleasant times shared with him coming to mind. Her line of thought was halted when Spike entered the spring.

"That hits the spoooooot~!" He exclaimed as he sat right in front of the alicorn with the water reaching up to his neck. Again, he took a moment to admire Twilight's body, although this time he focused more on her breasts and her big, juicy, tempting nipples and areolas. He felt his cock twitch and throb at the idea of touching them once more.

Neither said anything as they enjoyed their time in the comfortable water feeling their tension and stress already being washed away. It was a minute later that Twilight brought to them a couple of sponged, shampoo, and soap. Spike approached her, closing the distance with a simple jump. His face bumped against her breasts but didn't stop until her two mammaries gave way and parted to give him a chance to get closer to her; his head ending up hugged tightly by boobage.

"Hi, Spike~" she teased, leaning down to kiss the tip of his snout.

"Hi, Twi~" he called back, smiling, before returning the gesture by using his long, prehensile tongue to lick across her lips. "Need help washing up?"

"Please, Spike. You know just how I like it," she offered before using her magic to pull him back and sit him on the edge of the spring. A moment later, she jumped out to sit next to him. Then, they stood up, water dripping from their bodies.

Then they began to wash each other's bodies. While the alicorn was busy applying soap to her arms, Spike took care of her midsection, her derriere, thighs, legs, and pussy, making sure to scrub everything nice and proper. His fingers traced all over her skin and he freely groped and squeezed whenever he wished, paying particular attention to her strong thighs and large posterior.

Working like a well-oiled machine, they switched roles and while Spike tended to his legs, Twilight washed his back, wings, chest, and head; her fingers running across the surface of his smooth, clean scales while her breasts pressed against his back, soaping them all in the process.

Then, they switched again as they hummed the Winter Wrap Up song. Spike washed her tail and tended to her wings, preening the few stray feathers he could notice while Twilight made sure his crest was spotless, his tail clean, and his cock and balls properly washed.

Once they were satisfied with the result a few minutes later, they returned to the spring and submerged themselves a couple of times to properly rinse themselves. When they were done, they returned to their original position sitting in front of each other. "Do you think we should tell the girls about this place?" Twilight asked.

Spike cocked an eyebrow. "Are you sure? I mean, it'd be super fun and I think they deserve to know, but do you think they could understand, you know, us? Our relationship, Twi?"

"It's not like we're a couple or anything, Spike. What's wrong with us having a tighter relationship and skinship than others?" Twilight countered. "But I do understand your concern."

Spike nodded and closed the distance between them a moment later. This time he came to a halt in front of her breasts and reached out with his hands at her. He groped and squeezed and kneaded her soft, heavy fleshy balloons; his fingers making short work of her pronounced nipples. He pinched them softly, gently, lovingly. Taking his sweet time to enjoy their soft but solid body, to feel them extend and harden at his touch.

"Do you like my breasts so much, Spike?" She asked while setting her arms on the borders of the spring, leaning back just enough to push her chest out a little more for Spike to enjoy.

His answer was two-fold. First, he buried his face in her wet breasts and then he voiced his agreement. "Mhmm!" Looking up to her face, his chin rested in between the valley of her boobs, each soft-as-cloud globe of flesh larger than his head. With the twin set of hills, his head was positively dwarfed, but that made him like them even more. "I love your tits, Twi."

"Language," she reprimanded, although her sincerity was lacking. "Which do you like most?"

"Yours," he replied without hesitation, planting a kiss on her right nipple.

She let out a tiny whinny. "Really? But you've seen them so much already. Aren't you bored of them, Spike? I'm sure Princess Celestia's or Rarity's are much nicer than mine," she pointed out as she moved her left hand to gently caress and nudge the back of his head, silently encouraging him to do more than mere kissing.

"Maybe," Spike admitted. "But I love your breasts the most, Twi. And I love 'em even more after you became an alicorn!" Sighing with nostalgia, he squeezed her juggers once more in search of milk that wouldn't come. "They got bigger and softer and tastier!" He exclaimed only to capture her right nipple in his mouth and began to suck on it.

"Aaaaahhhh~ Spiiiiike~!" She moaned loudly as she relaxed and enjoyed having her tits sucked on by her number one assistant. "Remember the first week when we arrived here in Ponyville, Spike? Mmmffff~," she began, letting out a guttural moan of pleasure when the dragon switched his attention to her other nipple. "Y-You refused to sleep in your bed and sucked on my titties until you fell asleep. So precious~"

Spike moaned into her breast as his sucking became more frantic, focused, and lustful.

She remained there, enjoying his tender ministrations while using a hand to press him on further, loving every second of it as much (if not indeed so more) as Spike. She felt him wrap his long, thin, prehensile tongue around her fleshy bud and her areola in the same fashion a snake would do only to squeeze around it. "AAAaaaaah! Spike! N-Not so hard! You know how s-sensitive my girls are!"

"Ihb gnooou!" He replied in a murmured, gurgling voice. His eyes were closed, too focused on having fun and giving Twilight as much pleasure as he could. His cock throbbing madly, slapping against her belly each time she moaned.

Feeling the growing fire in her loins, Twilight forced Spike to stop, much to his confusion. It took her a few seconds to regain control of her labored breathing before picking him up all of a sudden only to kiss him deeply, passionately.

"Mmmmmhmmm~"

"Nnnmmmuhuhhh~"

The two lovers moaned into each other's mouths for several seconds until Twilight let go of Spike, surprising him again. But before he could protest, he watched her climb out the spring; water trickling down her body, her wet mane and tail sticking to her skin; exalting her beauty tenfold. He lay witness to everything her body had to offer and he was enraptured once again.

"Hey, Spike, join me for a swim?" She asked, giving him a glance back, a coy smile.

That was enough of an invitation the dragon needed to spread his wet wings and flapped them agitatedly in an effort to step out of the spring faster. Once he climbed out he watched his big sister dive headfirst into the large pool in the traditional way. He traced her steps, mesmerized as he contemplated how she swam just a meter or so underwater. His cock twitched with every paddle of her feet and throbbed madly each time she impulsed herself with her arms, her wings safely tucked against her back.

Twilight emerged moments later without gasping for air even after spending a minute underwater. A testament to her favorite secret hobby. She searched for Spike only to find the bag of scales already mid-air, coming her way and wrapped as a cannonball. The ensuing splash washed her face and he emerged a moment later mere inches apart, floating on the surface of the warm, relaxing water with the same practiced ease as her.

"So, Mr. Splashy, travel back or freestyle?" She asked.

"Travel back, please!" He replied, smiling eagerly.

She sighed and rolled her eyes. "Boys will be boys," she muttered before turning around. A moment later, Spike latched onto her back. His cock was safely pressed and safeguarded in between her asscheeks, giving him an impromptu assjob, while his arms hugged her torso, resting under her large breasts. The two of them took a simultaneous breath of air before she dove underwater; the cleaning and pure water of the spring allowed her to see almost perfectly and without any initial sting.

Twilight then began to swim but did so to go deeper and deeper until she was fifteen or so meters deep and the pressure of the water really started to have a slight impact on both of them. But what others would find as a harrowing or worrisome experience, to them it was pleasant, relaxing, and enjoyable. Once reaching a stable depth by releasing timed tiny exhales of precious air, the oxygen in their lungs stopped from pulling them up as quickly, allowing the alicorn the liberty to swim freely.

And so, she did.

She swam without a care in the world. In those depths where the water pressed against her, where she could move slowly, patiently, and exactly just as her ballerina lessons, she felt more at peace with herself than in any other place. Glancing back, she found Spike was in a similar situation.

He was a great swimmer though he was still prone to being skittish every now and again, she had discovered in him more than a partner, more than a little brother, or assistant, or even a best friend. She had found her partner.

"I glubb guuu," she muttered quickly, losing only as little oxygen as possible.

"I glubb guu, guuhh," he replied, having learned 'water speak thanks to their mutual love for swimming, diving, nudity, and each other.

Twilight resumed her swimming with the aim of reaching the end of the pool near where the water was drained and back to the other side. Each paddle of her legs moved her entire body forward but it also made her buttcheeks clench and move, giving their trapped guest a wonderful massage. She felt proud of what she was doing when she felt the warm chest of Spike get slightly warmer against her back, his phallus also throbbing in desperate need for more.

She reached the end, did a quick roll, and impulsed herself with the aid of the wall to get a small burst of speed. Before it could die off completely, she felt Spike's hands firmly but slowly travel across the surface of her skin. He touched her breasts once more but that only lasted for a few moments, preferring to focus his ministrations on her thighs, belly, neck, and waist.

The tips of his dull claws and his scaly fingertips dragged along her lavender skill, the ten-year-old knowing expertly how to sensually touch her voluptuous twenty-two years-old body. Although he was young in age, thanks to him being a dragon, mentally he matured a lot faster.

Though I wouldn't mind having him stay the way he is now for a few extra years. He's just so adorable!

She reached the other side of the pool while Spike kept on playing with her body, exploring and savoring his chance to touch her so freely and closely. How long had they been underwater? She didn't know but the gargled breath exhale of bubbles the two of them let out nearly at the same time told her it was time to go to the surface. They could last much, much longer but that wasn't the point of their relaxation. Turning upwards, she slowly swam to the top until the two broke through the surface with a calm exhale and a sigh of relief.

Twilight's peaceful stupor was shattered when she felt Spike detach himself from her back. She turned quickly to find what the problem was but was instead glomped and hugged tightly by her little brother; her lips captured by his in a tight lock. Her eyes half-lidded as the desperation in his actions drove her to return the kiss and dominate him in turn.

Spike began to thrust his forward, his cock easily finding a home in between her thighs. He rubbed his length on her hot pussy, erupting a series of moans from her. It didn't last long as she quickly took a hold of his ankles and spread his legs wide. The change in pace and pose meant their equilibrium shifted and he was forced to cling to the back of her neck to avoid breaking their make-out session.

With the newfound control she had over the dragon, Twilight parted her legs enough to guide the hips of the dragon using his legs as handles. When his tip brushed against her opening, she pulled him up, hilting his rather impressive five inches of solid draconic meat into her tight, wet, waiting cunt.

"Gaah! Twilight!" He moaned loudly before clinging to her harder, his hips starting to move on their own now that his phallus was welcomed into its favorite spot in the world. "You're so tight, and slimy, and hot! L-Love you so much, Twi!"

"I love you too, Spike," she replied in a softer but still excited voice. She let go of his legs and he took the chance to wrap them around her hips, his own never ceasing their pounding.

Sex in the water had its advantages and disadvantages, Twilight was forced to remember. One, depending on where they stood, sex changed and with their current position, it was he who set the tone and the rhythm. Two, it felt super-fucking-good. And three, in a place such as a pool, keeping yourself afloat was next to impossible.

Hence why they began to sink. They took a big mouthful of air and soon their heads went under the water, the only thing giving their position away being the bubbles that broke the water's surface.

As they slowly sank into the depths of their private pool, Spike continued to drive his hips forth. Free from the task of having to keep the two of them afloat, it was Twilight's turn to caress the body of her number one assistant. She groped his derriere, gripped the base of his tail, caressed his crest, and egged him on to continue fucking her with everything he had. Her hips moved on their own, desperate to reach the building release and driven by the passing reminder that their supply of oxygen would soon run out thanks to the excursion of their bodies.

Their lust had been built up and they had kept the fires alive since the moment they started. Small cohorts of precious escaping oxygen left from the corners of their mouths or from their nostrils. Spike's scales shimmered, reflecting the light that filtered through the water, and Twilight's mane and tail moved freely in a simulacrum of Celestia and Luna's self-moving manes. Now combined with their shared passion and united by the love they felt for one another, their climax approached in record time.

Ten meters deep they found themselves at when the pressure of the water, barely noticeable to them in other circumstances, added the last spark to their relentless love-making. A curtain of bubbles formed around their heads as they shouted their coming climax in a gargled scream of pure ecstasy. Spike slammed his hips one last time into her nethers, his balls clenching as he filled her pussy and womb with his seed.

Twilight's body shook, her orgasm sending electric delights all over while the center of her being was filled by the sloshing cum of her best friend.

The lovers hugged and nuzzled and shared one last kiss before closing their eyes, their hearts beating fast as they enjoyed the afterglow of their climax whilst suspended in a nebulous space.

They would've stayed like that for far longer, but the sudden itch in their lungs, the clenching of their throats, the agitation of their hearts, and the reminder that they were underwater and needed to breathe force them to withdraw from each other. Creamy white tendrils that soon dissipated in the water were left behind as evidence of what they had just done and the two desperately swam to the surface.

"BWAAAAAHHH!"

"HAAAAAAHHH!"

The two gasped, coughing and rapidly taking in mouthfuls of treasured oxygen. Once their breathing was normalized, the two looked at each other... and laughed. Then, wordlessly, Twilight spread her wings and laid on her back, deciding to enjoy the rest of her time merely letting the water act as her bed. Spike quickly and expertly climbed on top of her, knowing that his meager weight would not cause them to sink. He buried his head in between her soft twin pillows, suckling on one of her nipples and joining his big sister in simple tranquility.

Soon enough, the dragon began to slumber as the alicorn lovingly caressed his head.

The End.