Every day was an interesting day for Sunburst. At least it was always an interesting day for him personally. His curiosity and penchant for obsessing over the little things ensured that there was rarely a dull moment. His interests were, for the most part, fairly uninteresting. At least to other ponies they often were.

Relics and artefacts aren’t the eye-catcher of the century. Board games had limits in their appeal. Comics had quite the following, but not as much in Sunburst’s age group. It was true that Sunburst was often left to feel invisible. He could engage in his own agenda in plain sight and, thanks to how boring he was viewed as being, he never had to feel like any eyes were on him. His current interest, however, or at least his current task, as one that he was afraid was going to draw eyes to him. He was interested in dildos.

It had been a few days since he had his altercation with Shining. His friend had been hard to reach since then, and Sunburst, being one to do so, feared the worst. However, he was also pragmatic enough to know to cross bridges when you get to them, and he would get to see and talk to Shining in 2 days at his birthday dinner. The current bridge to cross was an entirely different beast, and it was that of Sunburst finding something to put in his ass.

He walked down the streets of the Crystal Empire, certain that some part of his person, his mane, his gate, his glasses, some part of it had to tip ponies off that he was walking to a sex shop. He ruminated to take his mind off of it. Stallions. That was an interesting topic to think of. He made a turn, watching to make sure there were no carts coming in the road before he walked on.

Sunburst had been attracted to stallions before. Very much so, in fact. He had his heart set on Starlight currently, but before her he had always found himself smitten by athletic buck-ball players, tawny farm hands, and burly guards. Those guards, now that Sunburst thought about it, weren’t too dissimilar from Shining Armor.

He had never acted on any of it of course. Dating was...well...it was a whole thing. A process. It was something that Sunburst never gave too much though to. As such, much thought was never given to the mechanics of it either. It wasn’t until Shining had brought up the idea of sleeping with Sunburst, or at least with a copy of his body, that Sunburst had really even thought of himself in that context. Of course the context of that situation brought up the next natural question: did Sunburst like things in his ass?

Magic would be a half measure. While it could do its job in the bedroom, it was almost universally agreed on by any pony that didn’t have a fetish for it that hooves, as imprecise as they could be, felt better than the distant feeling non-touch of an aura. Since he was well paid, and since he wanted to give his first attempt at it a true college try, Sunburst set off to research. With the same obsessiveness he approached the rest of his life with, he began finding out the effects of different firmnesses, how to properly stimulate the prostate, any potions or spells that could enhance or ease the experience, and virtually any other fact he could scour. Most of it was all coming from modern sex magazines, but he had even found an extremely interesting book in the Crystal Archives about a crystal forming technique that the ancient empire used to make sex toys.

As Sunburst rounded the corner he rehearsed his interactions in his head again and again. He knew the exact brands that he was looking for, and the exact cost it would run him, sales tax included. He could get in and get out rather quickly. The shop was in a discrete location too, buried pretty deep in the boroughs that were in the heart of the city. “Horns” was the simple name of the shop, displayed on the sign. The building was squashed into an alleyway too, meaning that ponies from the Main Street couldn’t see the entrance directly.

Sunburst sighed, went over his order again in his head, and opened the front door.

There was a little jingle being played from a gramophone in the corner. About 4 wooden aisles with end displays, and then a counter in the corner with a petite Pink and grey crystal pegasus working. “Welcome to Horns,” her voice cut through the acoustics of the building.

“Hmm. Hello.” Sunburst began to speak, walking towards the counter, but was distracted but catching just a glimpse of a flank as it walked between the aisles at the far end of the shop.

“My name is Easy Glide, can I help you find anything?” The pagasus smiled, there were bags under her eyes.

“Ye-wait. Is that really your name?” Sunburst raised an eyebrow, tilting his head with the question.

“The Godess of the moon is named Luna,” Easy responded.

“Yeah. I guess I get what you mean.”

“If my name fits, then just about anything else will.” She drew her cheeks back for a thin lipped smile at her own innuendo. “What can I help you with?”

“I...uh. Hmm.” Sunburst had rehearsed what he was going to say so many times. She threw him off by being nice and making small talk. More importantly, she threw him off by being a mare.

“It’s fine to feel a little awkward. This is the only sex shop in the Crystal Empire, so I’m used to new ponies needing a little nudge to help them feel more at ease.” Easy Glide reached a wing underneath the counter and pulled out a catalogue. “Here. It’s all just numbered. You can go and browse, or just find what you need, and then come up and just order that way.” She slid the book forward with her wing tip. Sunburst swallowed.

“It’s okay. I know what I want.”

She looked at him.

“I want the Bronco Brand.”

“The dildo?”

Sunburst winced. “Yes.”

“What firmness?”

“4.”

“With or without balls?”

“With-eh...With the balls please.”

“Size?”

“Eh.” Sunburst lost his steam and stuttered. His face had only grown redder with each question.

“The Bronco has pretty good ridges for the flare. You never want to get more than you can handle, but I’ve only heard good things about this one when it gets really deep.”

Sunburst almost fainted. He regained his composure slightly. His words croaked out, “the medium. The eight inch one is more than enough. A small bottle of water based lube too please.”

“I’ve gotta recommend Gliderz. It’s like a bit more, but this stuff is pretty decent. It’s also a family brand, to be transparent.” Easy gave off a cocky smile.

“Sure. I’ll take that.” Sunburst hunched his shoulders forward a bit, bringing his cloak up and letting him shrink into it.

“I’ll go get those for you, be right back!” Easy flapped her wings twice, lifting gently over the little swinging door to get out from behind the counter and clomping down on the other side. She cantered off down the aisles, leaving Sunburst alone with the pony behind him.

“Ah!” Sunburst jumped towards the counter, seeing the pony that had been waiting in line behind him. Then he saw who the pony was, her face half hidden behind a cloak, slouched down on purpose to hide her posture from the public that would recognize her otherwise. “Cad-Ca…” Then Sunburst did faint.

***

It was like being slapped awake, but for only his mind. Sunburst felt slight, but noticeable prods in his thoughts, like pats on the cheek, that seemed to be drawing him out of his unconsciousness. Finally he opened his eyes to see the warm look of concern on Cadance’s face. Oh no.

“Oh no.”

“Sunburst, it’s okay. Are you okay?” Cadance was laying on the floor next to him in the middle of the sex shop. She had untied his cloak from his neck, it lay crumpled on the floor next to him, likely done because she was worried it would constrict his breathing. Easy Glide stood off too the side, her eyebrows drawn up in worry.

“Are you okay enough to get up?” Cadance brought her muzzle forward and nudged Sunbursts hoof, letting it shake limply.

“Yeah. Sure.” Sunburst felt like his eyes would sink into his skull as he leaned off of his flank and sat back onto his haunches, then grunting as he got up. Cadance’s aura whisked his cloak off of the ground and draped it around his shoulders for him. He thanked her and refastened it. He stood staring at the ground a moment, the two mares looking at him, making sure he wouldn’t fall again. He looked up at the bag on the counter, presumably his. “How much do I owe?” His words came out with a wobbly confidence.

“Oh. Um. With everything it comes to 33 bits.” Easy Glide watched him as she spoke, being careful not to say anything to upset him any further.

He fished the money from his saddlebag and placed it on the counter. With simply a nod to Easy Glide he took the bag and stepped to the side, letting Cadance get to the counter.

“Thank you,” she said with some unease, stepping carefully by him holding her own wares. Sunburst went to step out, but as soon as he began to trot Cadance called, “Wait, do you want to stop for food? Are you busy this afternoon?”

“Picking up somepony in a sex shop? Forward.” Easy Glide punched in the numbers for each item into the register.

“Oh no, he’s one of my husband’s friends.” Cadance smiled as she explained.

“Well you both have good taste. 33 bits.”

***

“So how have you been?” Her voice was always so bright. Sunburst wasn’t a melancholy pony by any stretch, but the pure energy in her voice always bordered just on the edge of saccharine. Only barely, however, as Sunburst still always found himself smiling right along with her when she spoke. Come on, she was Cadance.

“I’ve been fine. Pretty...um...closed off for the last few days. How was your trip to canterlot?” Sunburst tapped a hoof on the side of his cup of tea, observing the ripples.

Cadance picked at her salad, her aura prodding her fork around to find the best possible bite, a crouton and a tomato being the combo that would fit on the fork that she settled on. Selected bite in her aura, she responded, “it was...fine. My aunt can be a bit preoccupied sometimes, especially if her and Luna are arguing. Which they were.” She crunched down on the bite.

The two sat in silence.

“I can feel how embarrassed you are.” She spoke in a very matter-of-fact-way.

Sunburst shifted, “and bringing it up will make me feel less embarrassed?”

“It will. You get over things like this by confronting them; I know that about you. I suppose it’s more that Shining knows that about you.” Cadance took a sip of her own tea, grinning.

There was another pregnant pause.

“I’m so sorry for that.”

Cadance narrowed her eyes with her grin. If Sunburst had been looking at her, he might’ve wondered if she thought this was funny.

“I was a bit concerned at first, but now I think it was funny more than anything.”

Cadance swirled her tea cup a bit, more to check that time was still moving than to stir it any more.

“It was a crossing of a line, sure, but I can understand the progression of events. My husband can be impulsive to say the least, but both of your were confused, horny, acting off of some macho-stakes-raising competition. Hopefully you can both get it out of your systems. I know Shining has been having fun exploring that side of himself. It seems like you’re planning to.”

Again, Sunburst heard her shimmy her cup around on its platter, filling the pause. The dildo. He had been so worried about her being mad at him for masturbating in front of Shining that he had forgotten that the dildo. He heard her buy it. She bought the same one.

Two ponies walked by their table. They were dining at an open air cafe, plenty of space between them and any other pony. Sunburst was counting the distance in his head and trying to figure out how many decibels to speak at.

“I wasn’t too far off from the correct one to buy actually. For your size and everything.”

The pauses were beginning to feel like Red Light Green Light.

“What?”

Cadance gave a light chuckle. Sunburst knew why those two were married. Both showed no shame in how they loved to torment poor ponies who had a normally developed sense of shame.

“Shining told you about our arrangement. It isn’t enough to just have the body. I need to practice with it too, you know.”

“Actually I don’t know. I’ve been meaning to ask you what the spell was that you were using.” Sunburst felt the conversation come back into his side of the court; magical knowledge.

“It is more or less just a modern version of Chromar’s Polymorph.” Cadance took another bite of her salad.

“How are you able to use that for s--” Sunburst lowered his already low voice to a whisper, “how are you able to use that for sex?”

“It’s pretty convoluted, but it involved knowing some pretty in depth anatomy.” Even though she spoke with food in her mouth, her words came out clear.

“So are you saying you are rebuilding the feeling of...all that down there bit by bit? That’s insane!” Sunburst slid his plate to the side. He hadn’t been eating much anyways, and this seemed far more interesting than any hay burger.

“Alicorn brains tend to find some more complicated patterns more easy to grasp, I think it comes from being more in tune with magic as a sense.” She swallowed her bite. “So if I’ve found some good progress comes from practicing based off of what ends up feeling more and more right.”

“Oh. So that is meant for you to practice...um...receiving as me?” Cadance nodded at Sunbursts words, sipping her tea to wash down her food. “So you are trying to make my...um...my parts all do the right thing when all that stuff happens?” Cadance stirred her tea and raised an eyebrow at him, smirking again. “You...I mean…”

“I’m trying to figure out how to make your body orgasm. Prostate orgasm specifically, since that’s something I’d like to surprise Shiny with for his birthday.”

Sunburst noticed something about the silence this time, having spent considerable time with it during this conversation.

“Did you cast a sound dampening spell?” Sunburst peered around, seeing if any ponies were reacting.

“Of course. This is too sensitive a conversation to just have in the open, silly.”

Sunburst sighed. She had at least some consideration for him it seemed. “I’m tempted to ask you to compare notes after...hehe…” As he spoke he looked over to Cadance, his heart sinking as he saw the earnest in her eyes. “Oh crap.”

“Look...we are both adults here.” Cadance was adding a healthy amount of schmooze to the way she spoke, poking at the salaciousness of the whole conversation. “I need to really understand how it feels for that body to have an orgasm.”

“My body…” Sunburst meekly corrected.

“Yes. There’s a spell doctors use for examination that essentially stores the bodily sensations, anything physiological, and then allows the doctors to experience it for themselves so they can figure out what’s wrong--” Cadence was cut off in her explanation by Sunburst

“Nozzle Bottles Bodily Note Taker,” Sunburst said, pronouncing the name with none of the whimsy it would suggest.

“Yes. Since we have the same model here,” she gestured to the unmarked bags sitting by their hooves, “If I get the magical notes and get to feel it for myself, accompanied by a reasonable and mature recounting of the events, it would really really speed up me figuring out how to cum as you.” She had this air of finality in her voice, something that approached the way a commander would lay out plans for a platoon. Sunburst smirked to himself as he recognized that Cadance was speaking like Shining would in this scenario, and she was undoubtedly taking unconscious inspiration from her husband.

“That sounds like a lot, Cadance.” The doubt dripped from his voice as he scratched a hoof on the back of his neck.

“I’m not my husband, otherwise you would give me a front row show.”

Sunburst’s face was pale in shock until he looked up to see Cadance giggling.

“It’s fi-hi-hine, Sunburst,” she chuckled as she spoke, “you and him were both recklessly curious to explore a new part of yourselves, and in the end you didn’t truly cross a line. I’m glad you both trust each other. Look, if you are worried about doing something you’ll regret, I can just learn the old fashioned way. More than that, if you aren’t comfortable with me and Shiny adding this to our bedroom rotation, you can ask us to stop at any time. Deal?”

Cadance had a warmth in her eyes that was hard to distrust. Sunburst had to be honest with himself. He hadn’t thought of Shining Armor as more than a friend, Cadance was right. There was an allure, the idea that a friend he trusted, that was close to him, had these same thoughts, wanted to try the same things he wanted to try. He thought of the dildo in the bag, he thought of him taking it, of Cadance taking it as him, of Shining mounting her, of Sunburst’s own voice moaning out from her. It was interesting and exciting.

“Okay. I’ll let you know.”

***

Shining was out for the day and Cadance had the castle to herself for all the time she needed. She had read over his notes and replayed the scene in her mind quite a bit before she transformed. The notes were actually quite a fun read. Cadance had expected them to be quite dry, but Sunburst was clearly having fun with the clear eroticism of the situation, especially by the end of it.

I first made sure that the implement was affixed and lubricated extremely well.
Cadance laughed at how the line could be interpreted as the beginning of a manual for machine repair. She took a moment adjusting herself, Sunburst’s body was stockier than hers. She rolled around in her bed for a moment, the Sunlight that bled through the drapes warming her fur. Recalling the notes, she peered above her head at the headboard where the dildo was prominently affixed. It glimmered a bit in the light, very thoroughly lubricated. She had gotten a few rounds with it in her original body, so she was pretty confident in being able to handle it more than fine.

I then, knowing that previous arousal aides prostate stimulation, consumed pornographic material.

Cadance let the magic flow through her horn as she replayed the “tape” of Sunburst’s evening. She had managed to transform with a flaccid cock this time. She meandered a cream colored hoof down her stomach. Through the spell she could feel the physical nature of Sunburst’s arousal that night. Letting that feeling guide her, her hips began to grind on their own. Lightly bucking at the air, the ridge of her hoof teased its way around her sheath.

I used my hoof to stimulate the rim around my sheath, an area that I find very erotic. I, as I normally would, took my time rubbing back and forth around the base, letting my penis drop from its sheath at its own pace, not touching any higher on the shaft to avoid affecting blood-flow.

He was such a dork. She focused on the feeling, using her magic to create the same responses that she could feel Sunburst had had. She felt her hoof tease the head of her cock as it slowly rose from her sheath, just as Sunburst had felt it. Soon she was entirely erect, her penis now almost identical to Sunburst’s after getting some more in depth notes on it from her husband. She took a moment to marvel at it. She didn’t really get time to acclimate to her new body any of the other times that she had transformed. She was interested at how weighty her cock felt, its own girth bending it down so that her head touched her stomach.

She kicked her back legs up, bringing her cock closer to her head and leaving her balls and ponut exposed. Her entire lower half felt different. Her long legs, normally feeling so graceful when posed, were replaced by stallion legs. Legs she still found attractive, much like her husbands. Less curvaceous, surely, but still possessing enough mass to come off as quite supple, the more powerful thighs and stumpier hooves had their own appeal. She bucked her hooves a bit again, feeling her fur on her chest tickle her cock.

Once fully erect, I used my hooves to self stimulate, cupping my testes with one hoof while rubbing my shaft against my torso with my other.

Cadance did as she remembered from the “tape.” She recalled the response she felt. As if on cue, as she rubbed up and down she noticed a little trail of precum starting to stick to the fur of her chest. She was a bit surprised at how nice her hoof on her balls felt. She had always figured that there was a direct pleasure from them, but it was more of an attractive pleasure, something that felt nice, but carried with it a raw eroticism that made it all the more exciting.

After getting myself properly worked up, I used magic to stimulate and relax my anus for a good while before moving on. I was able to use my aura to probe beyond my entrance, surprising myself with how pleasurable that could be, and maintaining my stroking on my penis, I achieved a fairly powerful orgasm.

This was the real test. Between her recollection of Sunburst’s notes and the feelings of his that she was replaying, she could already feel a pressure starting to build as she improved her mimicry of Sunburst’s body more and more by the second. She squeezed some of the lube from the nightstand into her aura, struggling a bit at all of the spells she was managing at once, but ultimately bringing a shaky glob up to her asshole and beginning to apply it.

She let a quavering moan escape her throat as the sensations began to overwhelm her. She was certainly succeeding in recreating the proper nerve endings. Her aura lacked control, but feeling the rough pressure she put around her ponut was getting close to sending her over the edge.

She slithered her aura up into her ass, only having to prod forward a few inches before she was sent past the brink. It was a strong one. Being the first time she had managed to ejaculate as Sunburst, she had no idea what to expect. Her core tightened as she could feel the pleasure start from her balls and radiate outwards. She pressed her hoof down at the base of her cock and milked the pleasure as cum practically jetted out onto her chest and face. She thrashed her legs a bit, but was otherwise locked into the rhythm of her strokes, riding out every short, powerful wave of release that she could.

She caught her breath for a moment, amazed at the difference between orgasms. It wasn’t the same as when she was in her normal body. She might even call it weaker if she had more chance to compare them back to back. However, the afterglow of it was certainly interesting. She felt spent and satisfied immediately in a way that she rarely felt in her base form. She obviously was already acquainted with stallion stamina—even Shining had his limits—but only now, modeling the feel of her body off of Sunburst’s, could she truly understand the reasoning behind it. She was tired.

I recovered a moment, spent but still determined. After catching my breath and drinking some water—Cadance took a strong swig from the glass on her nightstand—I positioned myself at the dildo (which was affixed to my wall). I took a deep breath and lightly worked the head into me, becoming increasingly thankful that I got the unflared model as I did so. Once there I moved only very slightly back and forth, barely getting 2 inches deep, but getting used to the sensation.

What a sensation it was. Cadance was shifting her form, giving herself the appropriate responses to model after the ones that she could feel from Sunburst. At this depth it wasn’t too very different from having something in her ass as a mare. Even so, she could feel the arousal beginning to stir in her penis, something fairly different from the heat and need that she would feel from her pussy at this point in the act, her cock idly responded in a way that was distinct and much calmer than the winking clit that she was used to.

She wasn’t always as keen on ass play as Shining was, however she was never shy from it either. She had never gotten off just from Shining pounding her ass, but some secondary stimulation was always enough to make for an effective experience. Sunburst had managed to get off without anything else though, she remembered, wiggling her ass, getting a feel for the dildo. Stallions had an easier time getting off just from the ass, she thought she read somewhere. Either way, Sunburst had, which meant that she should be able to as him. She pressed on.

I pressed on. Having cum already, I found it quite easy to relax. Imaging a scenario to match the feeling also helped. For the sake of helping you, since I don’t know if you might need the mental image for the spell, I will write the fantasy: I approach a royal guard, a burlier one, and thank him for his service. We rendezvous in a secluded corridor and, well, you can guess the rest.

In any case, working through this fantasy for a moment, I found myself caught off guard by the medial ring. I had already worked a whopping 5 inches down without even realizing it! I kept wiggling my butt, working back and forth a little bit, taking more conscious note of the feeling of what was already inside of me. I couldn’t feel every part of it clearly, more like feeling the idea of the contours than any of the finer details themselves. I was also shocked that I couldn’t feel my prostate in the same way I assumed I would feel it. I had no idea how I assumed I would feel it.

It was at this point that I explored that feeling more, drawing myself all the way back until I could feel the head of the dildo run over the gland, then plunging back. I repeated this a little faster each time, using the pressure of the ring to stop myself in one direction, and the pull of the flare to stop myself in the other, until I could distinctly feel mounting pressure in my balls. I took this as a signal that I could likely achieve another orgasm through this alone, but I didn’t want to until I found a comfortable limit.

Cadance didn’t have the patience to follow Sunburst’s pace. The closer she got to being able to simulate a male orgasm, the closer she got to achieving one. She was well aware of how to relax herself, letting her measured breaths control her rate down until she had gone long past the medial ring. She arched her back, wincing her closed eyes as she made the final few inches in a single, controlled movement, feeling the balls of the dildo tap against her taint. Her own technique differed a bit from Sunburst’s after the entry as well: she bounced back and forth just enough for the medial ring to rack its way down just until it threatened to leave her, then she would rock back until she felt the gentle bap of the base of the toy.

Her own dexterity let her keep her movements swift and clean, impaling herself over and over on the dildo, she found a rhythm in her own reactions, ignoring the piercing pleasure with each thrust and focusing on the little parts of the experience. There was a tinge of satisfaction every time she felt the meat of her cock slap into her stomach, leaving a mess of precum everywhere it swung. She enjoyed the way that she could feel her balls tighten, not having expected them to be as central to the feeling as they were. She enjoyed the smaller details as she could feel her time approaching, getting better at simulating the orgasm just as Sunburst had felt it. His experience beyond this point was much more direct.

I was able to coax myself within an inch of fully sheathing the dildo. I then spent a while moving a bit, getting a sense of how to work my hips. Once I found a range of motion that I liked, I proceeded to grind myself into the dildo, the medial ring and the head being the prime stimulators, until I achieved another quite powerful orgasm. I then ended the recording spell.

Her own ending was feeling to be just as extreme, if a bit more exciting in the moment than Sunburst had made it sound. In her furious movements she had more than once let the ring slip from her tight ponut, popping it back in quickly, eliciting shocked moans from her each time it happened. She could feel the wide head deep inside her, a feeling she already knew she loved when she had mare bits, and imagined it was her husband's cock, ready to burst any moment and fill her with glorious seed.

It didn’t take long once she had a tempo to work from. Dramatically being racked by the entirely new experience of a prostate orgasm, she slammed her ass back as far as it would go, feeling her ass cheeks press against the cold crystal of her headboard. As her balls clenched she instinctively bucked her hips a bit, grinding the dildo deep inside of her as she came for a second time. It was a feeling she had to get used to, the rushes of pleasure as rope after rope of cum shot out onto the bed. Finally she could feel her cock begin to ease as she slumped over.

She stood on the bed a moment, taking the scene in. She was coated in her own cum at this point, with a generous helping on the sheets. She could still feel the stiff rod inside her, her asshole worn from its generous use in the last few minutes. She listened to her own breaths, gone were the dainty little gasps of her normal form, but instead a deep, but slightly nasal breaths of a stallion. It was perfect. It felt good for her too, while being in this body was more amusing than inherently attractive to her, she wouldn’t mind treating Shining to this every so often. He would love it.

Author's Note

This story is more than likely bi-monthly at this point, let's be honest. However, progress is still always being made, and I can't wait to bring out more fun chapters. The past chapters have also been proofread by Awni, so I'd like to thank him for that.