Chapter Text

“Thank you for trusting the Moth Salon, we’ll be happy to be of service again…!” The moth girl thanked her in her slightly thrilling voice, and Luna bowed to her by habit. She was so used to Yafutoma… but that seemed to be fine in Port Spicy! It was quite a bustling city, and people from her country were not unheard of, unlike some… other parts of the Federation.

“Yes! Ayla-san, you did great…! Now, onto our new house Thunder-chan…” Leaving the salon behind her, Luna climbed on her dark horse’s back. His name was still a bit hard to pronounce, but she always made the effort, especially here. It sounded less… edgy too. She had just been a kid when she had named him…! And her favourite - only, really - horse had only become more fitting of his name! His shiny ebony coat was carefully taken care of every day. And his short mane had grown into the proper dark purple of his race…

“And we match now… aren’t you happy…?” Luna caressed his ears, right where he liked it… until it was too much and he shook her dainty hands off. She was no mage, but the purple bangs were cute still! The longer strands falling down her cheeks framing her oval face… slightly helped with the large, thick glasses she had to wear. Her eyes hurt a bit already, with the sun shining bright on the dry city of ochre and sandstone.

“It’s in the Northern quarter… let’s go!” Thunder trotted gently on the paved road, avoiding the carriages and the increasingly large amount of gnomish vehicles around… there were a lot more of them than in Yafutoma, that was for sure! And Thunder was just like her, pretty small compared to the mix of people around them. And he thankfully had good vision, unlike her. She was not going to end up in one of the wide canals made for the aquatic peoples of the city… the lack of guardrails for most of them was a tad worrying.

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“It’s different, but it’s nice…!” Her new house was plastered white outside, and covered in bright red tiles atop. Functional, with everything she could need. Certainly, much larger than anything she could have gotten back in Yafutoma for the price… she had a garden, and a small barn affixed to the house. Thunder alone was not going to fill the place! … But Luna had no intention to get more horses.

“Whiiiiinnnyyyy!” She hugged him… a different country, but still similar. And she already had work lined up as a trainer, with him as her helping hand. Thunder wasn’t quite like the other horses… smarter, and more obedient… most of the time. And despite his stature, his lightning magic could give bursts of speed and strength none could rival! … Except maybe the kelpies living around there, supposedly, they had a few of them in the bay of Port Spicy and the nearby rivers…

“Let’s hope everything will go well… I would not want to see you hurt by the locals… did you see that pegasus flying overhead going West…? If someone challenges you, please, don’t start fighting! We don’t know how strong they are, so, no more mule-headed mister Thunder! You’re a proper race horse, not a brute…!” He exhaled and rolled his dark eyes at her. Small as he was, he did not take kindly to competition. Or worse, anyone annoying her.

“Right, right, mister Thunder is all mighty and confident…” Luna poked him between the muscular ribs, she knew where to touch him for everything…!

“Until that unicorn blinds you with light magic and you skidding into mud.” Her horse was twitching as her fingers turned to a more comfortable massage of his long, if slightly sweaty coat.

“Neiiigh…” Oh yes, she would not let him forget that one, and how her proud little one had lost a race because he totally had to turn around to taunt his opponent that did not miss the opportunity.

“I know baby… you’ll do better… let’s get you cleaned up before dinner, then…?” It was Luna’s role as his rider and trainer! … And it was a very nice part of the day. Thunder did not complain, and his gaze was fixed on her body as she took out her travel clothes. Simple leather shorts holding her toned bottom, and a pink buttoned up shirt that she opened a bit slower than Thunder liked… she knew how to take things slow too!

“It’s been a long day, hasn’t it…?” Cupping her breasts, Luna taunted her lover a little bit. Her sports bra - pink, of course - had gone from an acceptable C cup to B cup in Port Spicy. Curse those different measurements! She wasn’t exactly the most gifted, and being more than a little active limited the potential size of her perky little tits… the dark burgundy peaks of most interest to Thunder.

“Look at how my shorts stick to my skin…! It’s so hot and dry here…” Yafutoma - the Southern part of it she came from anyway - was hot and wet in Summer, but it was yet Spring, and Port Spicy had a dry heat that was always present. And it never snowed here. Her small pink thong dropped down her thick, riding legs, and she finally turned around.

“Look! All waxed! And it should last for several months…” Luna kept herself trimmed, normally… Yafutoma beauty standards were a bit different. And the Moth Salon had offered a good deal on keeping her sex as smooth as the rest of her body… and for a long time!

“Whhhii-*ruffles*” Thunder seemed to like that! Her fair skin was soft and tender, and hopefully… he’d enjoy that part even more now… already she could see his sheath unfolding his most precious member… sneaking under his form, Luna took her… rightful place.

“Oh yes… it’s been days… Thunder…*SNIIIIIFF*” His big, black balls smelled divine…! With just the right amount of musk, she never let him go too dirty. Just massive orbs that throbbed in a sack larger than her face that she had buried into them. Her little tongue finally touched the hot, warm, leathery skin… and Luna felt her brown eyes flutter as she trailer all over them…!

“Thunder… *smooch* So good… *smuack*... so tasty…*hhhm-smueek*!” Leaving her dark red lipstick all over them, as expert hands caressed and prepared horse testicles for what should have been a daily occurrence… Luna was a bit drunk, her blushing face drooling as she had just gotten a taste of her Thunder…

“Aaah… but for tonight… I got something from that famous shop downtown… SizeFitAll it says… so we don’t need to… keep it to me licking your slit while using my hands…” Luna made sure to not leave any part of his black and pink cock go untouched, her tongue and nose running all the way from his giant balls to the veiny, quivery shaft, following the larger vein at the bottom… she wanted to start sucking on the fat flared tip, both sets of fingers working on the mast larger than them both, and longer than her forearm…

“H-hold on… I need to drink half… and put the rest on you…?” Reading the instructions was harder when you were already full of horse pheromones, and his vertical slit was dripping his nectar next to her face…

“Danger of overuse…? Who cares… I’ll just drink that one… *gulp gulp*” Oh kamis, it tasted… weird! And thick! Not as thick as Thunder’s semen, of course, but…

“And that one I’ll spread all over…” The liquid spread made Thunder shiver and stomp his front legs around her! Luna started kissing around the half black, half pink cockhead, avoiding the most sensitive spots right in front of her, and the one underneath, as she made sure all of the potion went into his beautiful horse cock…

“NEIIIIIIGHHHH!” That seemed to feel good for him too! Her belly was all tingly, her nipples so hard and ready…! She pressed her small chest against his dick… and it almost made her go over the edge!

“G-goodness… Thunder…” Grazing her tits along his size was all she could do… and Thunder liked it. But for Luna… that had never been… this intense! It was too much, she had to get his precum already…!

“*SLUUUURP*!” Since the very first time, it had been the same. A drop of his was enough to make her mind melt. Her rounded glasses covered in musty fog, and horse essence leaking all over…

“Oooh… with-with the potion… it should fit now…” Luna had tried to take his tip once… and succeeded. Only the flared head… and it had hurt. And Thunder had been more frustrated than anything. This time… she opened wide, and let it slip in… her jaw stretching as intended, her tongue lapping at the smooth, delicious flat with a rigged middle…!

“*GLUP*!” Back in… like that time….! And not painful…! Luna’s brain was screaming… to take more of her horse inside her! Thunder pushed forward… and her little tongue flattened in her mouth as he took all the room she had… and then some…! There was no way… such a big cock was filling her… and she wasn’t choking…

“*HGHH-GLLLURG*!” Even when it reached her throat, that dangly bit not making her heave… but welcoming the rod that she was slowly ingesting… she could see the pink blotch she liked so much, right here below his cockhead… as it forced its way into her in full… she was sucking her Thunder… finally…!

“WHINNY!” And she could hear how much he liked her slutty little trainer throat! A proper tool for him, squishy and malleable, for him to thrust into without worry… he pulled back, and Luna convulsed around it, gripping it in her flesh. Thunder pushed it back in, bending in her throat as it reached her limits and beyond…!

“PHWAaaah… Thunder…?” But his delicious meat left her, her tongue quickly licking the runny slit along the way, a few more drops of sweet and salty horse essence swiftly swallowed…

“It’s not… not comfortable enough…? Right, because your dick is so hard and so strong…” It would not fit her in this position! Luna walked, unsteadily, toward the bench that was meant for her to sleep… when he was sick. Or she wanted to be near him. … That was going to become the main bed of the house, she was certain. Swaying her round bum, he followed diligently. She was slender, but had trained with him every day for so long, her rump was the one part of her body she had no complaints with. And her thick lips, those were perfect on her small frame.

“If I’m on my back… you should be able to reach deeper… right…? So get in there…!” Luna put her glasses down, they were already covered in their love, and would not fit her nose like this beside. Pulling the sides of her mouth apart… her skin stretching so much felt odd, but nice! A dark mass approached her face as Thunder straddled over her, his large nostrils sniffing close to her smooth, soaked pussy…

“*SNRRRF*!” His cock hit her in the eye first, slipping downward, before he realigned, and she helped him find the right spot. Right in her mouth, extended red lips following the already applied stains as her palate felt the throbbing vein make its way down her gullet… little by little, Thunder was entering her…! Already past that pretty pink mark, the second rounded one swallowed just as far, as her throat was bulging with horse meat… and Luna was becoming mad with pleasure!

“*SCHLRK!*” Her body arched as a large amount of dick slammed into her… at the same time as her tiny pussy was forced wide open by Thunder’s tongue. And Luna came for the first time today. Her bumpy folds keeping him in place as best as they could, as his long, thrashing hose tongue was teaching her how good it felt to be full by something else than a toy…!

“*HHMMM-GHHHRKK!*” He grazed upon her little erect clit, as he wormed his way up to her deepest part, pushing her inner parts around…! Luna clamped on his tongue as another wave washed over her, from her lower belly, up to her tensing core, her breasts squished against his horsely chest… and he plunged forward, all his veiny, hosecock ramming into her as she saw the immense blur of his balls closing in on her vision… and Luna needed her glasses no more.

She could only see black, sweaty horse testicle… and she needed nothing else! His entire penis was in belly, down to her stomach…! Gently hugging his balls she made love to him with all of her being… and Thunder reciprocated. Fucking her throat like the tight hole it was, scraping her flesh and turning it into the horse cock sheath it was meant to be…! Luna came again… from her mouth! From kissing the colossal, throbbing base, squeezing his dark orbs with her hands…

“*SCHPLLLT*!” And she gushed out in love juices as his tongue wrangled her cunt into submission too…! From both sides, she was becoming his…! Used thoroughly, until… until the dancing bags of sweets she was caressing did their job…

“NEEEEIIIIII-EIIIIIGHHHH!” And going up enough that Luna could see again, if her eyes hadn’t been rolled off into her head, spasming movements a tell that she could not understand anymore… Thunder’s monster cock swelled again in her throat, as the bulging bumps making their way through it made Luna quiver with glee… and the overly hardened cockhead in her stomach squirted out his horse load in her.

Luna’s mind exploded in ecstasy as she felt the deepest parts of her anatomy flood with his semen… and not only feverishly drank after being showered in it, but blasted right into the place it was meant to be. She was growing large with his cum, as his tongue kept her spasming pussy in place, enjoying the clamping muscles struggling and failing to push it away until she could only suck his tongue in her slutty cunt, her whole body twitching feebly as Thunder controlled every piece of her… and Luna accepted her role as his slutty mare…!

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Part one of this commissioned story in my original setting!
Part two continues on, I cut it in two because it was longer than the usual chapters.
In the same setting as the aptly named A femboy’s harem, and their magic sex toys .

And if you’re interested in this story or the others, or wish for a commission, join my Discord !

Chapter Text

Chapter 2: Horse relief and magic holes

- commissioner insert x magic horse - first time anal sex - mind break -

“Woah… Thunder… there’s so much cum inside me…” Luna could caress her bulging belly… she was feeling so hot… Feeling him use her throat like a cock sleeve was so good…! But it was nothing compared to the sensation of Thunder coming down her throat… she was glad she had drank that potion too… there was no way that would have been doable otherwise…!

“Neiiigh…” She let her lick her face… and slip his long, flexible tongue in her mouth… he still tasted… still tasted like her own pussy… she was loving it…! Kissing her beautiful black stallion… letting him kiss her, rather… so handsome, so… perfect!

“Muaaah… oh baby… you’re… still hard… even after all this…?” Luna bit her lower lip… his lipstick smeared cock was throbbing again…! Thunder was never so… needy, usually! She only got him to cover her face once a night… maybe because it had been a few days of travel from Yafutoma to Port Spicy…?

“Oh don’t look so sad! You just… you just fucked my throat…” Luna was blushing hard…! Finally, they had done it…! This SizeFitAll potion was amazing…! She was so happy… and her pussy was feeling so wet again… Thunder had cleaned her well with his tongue, buuuut… seeing his member poking her thighs…

“Alright, alright… I wanted to wait for tomorrow, the potion says that it can be dangerous if you take multiple ones in close succession… but I can’t deny that I also want this…” This time… she would not be only slobbering on horse cock…!

“It feels so weird when I put it in there…!” Sitting on… her new bed - once she dragged a mattress over it, still, she wasn’t like old Yafutoman and their futons, sleeping on something soft was always better - Luna poured another SizeFitAll on her dark pink lips… the lower ones. Her clit instantly hardened and peeked out of its comfortable cover…! Rubbing the thick liquid in there… between her twitching labia, and up her tiny opening…

“I’ve never even taken a man… you’ll be the first…!” It made Thunder stomp the ground as she said so! She had no hymen, not after over a decade of horse riding… but wasn’t it… way too tight…? Thunder’s member was as good as shoving most of her arm in her pussy…! Fuck, that made her clench on her own fingers…!

“Hmm…nnhhg, Thunder… you will have to be gentle… but let me turn around first…” It was a bit scary to get all of his body on her still! Especially for her first time! Plus… she could cover her face like this, so Thunder wouldn’t see how much of a slut she looked like as he approached behind her… and she felt his long, warm dick land on her back and between her cheeks.

“WhiIIIIINNYY!” The sheer girth and weight almost made her cum! Luna trembling hands went to help guide him, as her horse rested more of his larger size on her back, just enough to get her stuck in place, little tits squished against the wood, nipples in agony as they rubbed over the harsh material…

“That’s-that’s it baby, slowly… let me lead you in my… in my pussy…” He was so weeeet…! And so hoooot…! The flared tip rubbing over her pussy lips, covering her entire opening with the throbbing horsehood… Luna’s heartbeat was getting so fast, and her breath got ragged in anticipation…

“*SNUUUURFF!*” Thunder pushed forward…! Her smooth cunt tingled as the rim of his horse dong forced her flesh apart, just a bit…! Once he went inside… she wasn’t sure… she wasn’t sure she would be the same woman… but why did that make her feel so… good to think about doing something like this with her handsome Thundeeer…!

“Ooompf… you’re so large… easy big boy, it’s not a race this time… don’t worry, it will fit…” Her fair skin felt like it was on fire…! She was… covered in horse precum…! There was so much mixing up with the SizeFitAll potion she had just filled her hungry pussy with, and he was spreading it all over…!

“NNNHGGGH!” Even with all the potions she had used… that still felt… like a lot of horse cock battering at her entrance! And maybe it was too much… it was slipping all over, to the sides, along her toned buttocks, the bottom, scraping her painfully erect clit along the way, to the valley between her cheeks… Luna’s small hands were also struggling to hold his entire girth, and to direct him in the right place…

“Whiiiinne…” Thunder seemed to understand, placing his legs around her closer, stamping in place, as his penis shook against her back… and squishing her flat against the bench, he tried to claim his partner once more…!

“W-wait Thunder! That’s the-the wrong HOOOOOOLE!” Luna’s breath was taken away as her companion managed to find where to press for her body to stretch enough for him to penetrate her. But in entirely the wrong spot, above where he should have!

“WHIIII-EEEEE-UUUURF!” Her ass. Her ass was being extended beyond anything she had ever dared to do… and that had not been much! It wasn’t merely a finger or two… it was a cock larger than her forearm that was ramming his way up her not-so-tight puckered hole… Luna was having anal sex for the first time… with a horse. A shiver ran through her spine as realization set in… and… a scream…? Oh, it was hers…

“GYAAAAAAAH!” A scream of… of pleasure…! As she was being mounted by her Thunder, and her poor human guts were being reshaped into cumdump…! The potion was doing its job… what should have split her open… was still splitting her open, but without any pain, instead making the burning feeling of being straightened out by a rampaging horse so much more… intimate…!

“FUCK! FUUUUUCK…! THUNDEEEEER!” As intimate as she could be, her belly lifted off the bench as his dick was digging into her depths more and more, passing through places that had no room for him…! But would have room now…! He was… hollowing her from the inside, carving his immense size into her… Luna had not expected to be the same woman after daring to do this… but would she even be a woman…?

“HURK! OOO-OMPF! GHU-” Her horse was enjoying it way too much… slamming into her body like this! Thunder should have been an elegant gentleman, not this beast…! But Luna didn’t give a shit anymore, she was just being used like a breeding rack… her asshole widened like never before… her inner folds flattened by the pillar of spotted black flesh, the veins throbbing against her newly found weak spots, as he waited for a moment for her to acknowledge and accept his titanic size…

“WHINYYYYYYY!” Before pulling it back, her skin gripping onto his dick… until he banged it back in… to the hilt. The enormous, rigged hilt at the base of his lengthy cock. His churning balls seared her skin as they collided with her. And Luna exploded into a million pieces. Full of horse cock, twitching human girl meat clenching around his entire thing, modelled for one thing only, and that was to please her Thunder…

No word escaped her as her orgasm thundered between her ears. Luna’s asshole had been struck by a storm of pleasure and perverted joy… her pussy squirting in approval as she was a quavering mess of fragmented bits being torn apart by his horse penis… not letting him move any longer. Her body was shaped around him, and would never be anything else. Her mind was drowning against the endless crashing of waves of delight… she was finally Thunder’s partner, in both body and soul…!

“Snooort…!” But being impaled on horse cock had been nothing compared to feeling his heavy horse testicles twitch in unison. Had been nothing compared to the bulge making its way up the rod that was stretching her toned belly into the horse toy she had been turned into. And his ejaculation… splurted deep in Luna. Deep enough to reach her brain, or so she felt. Horse cum flooded her soul… his loads of cum splashing boiling hot honey over her tenuously held together ego…

And she let it break apart. Luna didn’t care that she was climaxing on horse cock anymore. She was made for it. She had never been made for anything else… just a fleshy sleeve for Thunder to play with… and he emptied his entire balls into her. One rope after the other, each more invasive, more destructive than the last… Luna was cumming with every drop, let alone every river he was delivering into her desecrated sanctum. A woman’s asshole died, and a mare’s hole was born… with a drooling grin on her face, Luna’s dark brown eyes rolled a last time, and she thanked her horse for having chosen her…!

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“Side effects include permanent sensitivity icnrease…” Reading the notice more thoroughly, that didn’t sound so bad! Luna knew she had abused the potions… the recommended two potions per day… well, she had blown past that in the first five minutes…

“Permanent tretching… potential partial onahole transformation…?” That, she was sure hadn’t happened! Probably? Thunder had fucked her ass so deep… her digestrive tract was fine, surely?

“Permanent addiction to the SizeFitAll potion, and to the material coming in contact with it…” … Was she…? Did she…? Looking to the side, to Thunder’s still massive, if softened dick… mayyybe…? Luna didn’t want to jump on his dick, to suck every last drop of cum, and to force him to ravage her ass again… not for another hour or two, at least…

“Mind breaking partner with SizeFitAll potion is a crime punished by the Goddess… do not use unless certain… yadda yadda…” Well that hadn’t been done! Thunder was just fine! … Luna wasn’t sure her mind was completely all right, but the owners of the sex toy selling the potion could help her, right? There was nothing wrong with using the two dozen potions she had! Maybe… maybe stretching them over a day or two. Just to be sure! So she would not turn herself into a sex toy…!

Not completely… if she did, Thunder would have a hard time using her body, he did not have hands!

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The second part of this commission!
It will get another chapter later, much less delayed than this one... but it will need a bit of time to fit into A femboy’s harem, and their magic sex toys .

And if you’re interested in this story or the others, or wish for a commission, join my Discord !