Siyu's Sensational Medical Marvel

Story by Tailsko on SoFurry

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#2 of Shorts

An RP between the immortal Siyu and myself! Being a journeyman healer, Siyu was always on the look out for new things to bring to his master, Mirana, but this time, he's found something the that puts anything else he's found to shame...


Heaving a sigh, Mirana looked around as shi waddled hir way through hir house. It was smaller than shi lived in before, but shi needed to move on anyway. Shi was a rather skilled physician, and living here was far from outside of hir means, but it was smaller than hir ancestral home. Shi was pregnant, though not entirely sure with how many.... shi was only a month or two along... but seemed quite a bit farther along than shi should be. It was early in the morning, and shi had a lot shi needed to do. Go collect herbs for future remedies, tend to the ill, and research into new potions were all upon hir mind as shi ate breakfast..

Siyu happily comes up and knocks upon the door, the short rodent lives next door and is an eager young man, a bit odd, but something of a researcher and scientist. In fact he's been working nearly all of last week and through the morning today on something very mysterious that he's sure will change the world! As most young scientists tend to idealize. But when he's not got his head in the clouds he's reliable enough and a pleasant enough neighbor to work with. He is also gifted with a rodents productivity and it so happens that he's not bad to look at. If Mira would come and open the door he seems freshly washed and excited, if a little pent up, prodigious package appears to be a little engorged more than normal "Greetings and salutations! Oh my oh my um, hope I'm not disturbing anything, but I was hoping I could ask for a favor. I mean, not so much a favor as an expert opinion! Advice from a professional medical colleague and all that?" he happily chitters

Mirana huffs a bit as shi works to get hirself back to standing. Waddling to the door, shi opens it and, before shi can even properly greet him, Siyu starts to talk. A slightly tired look upon hir face, shi listens to him and nods. "Well, alright, what have you been working upon?" Shi asks, stepping aside to let Siyu in proper. "Have you had breakfast? Care for any tea?" Shi asks, looking him over slightly. Shi couldn't help the slightly exaggerated movements of hir own body, swollen up as it was. Shi was rather 'gifted' for the average.

Siyu happily claps, "Very good! Oh I knew I could count on you, I wanted your certification of something, perhaps to prove I'm not imagining it all. I mean one has to be sure you're not biasing your own results and..." he thinks, "Oh Breakfast! Yes I did, I think...two days ago." he tilts his head, "But no, no please I think I got the experiment right where I want it..." he blinks and looks you over, as if fully realizing what a state you're in, "Oh I mean...I could ask someone else, but I knew you were right next door and I felt...I felt you'd be excited too if it works right..." he motions, pauses and then snaps his fingers, "Right explanation, I'm sorry I got too ahead of myself, two weeks ago in a hillock two provinces over, in the middle of a night there was a crack, and the whole hill splint in half with a steaming crater! But there was no spout of fire from the earth like a volcano, there was no star that feel from the sky, it just...happened. And the shepherds found, a very strange rock in the bottom of it. I made sure to get it, and I've been prodding at it all week and finally I've found something exciting..." he rolls his sleeve up to show...well an arm. "I got too close to my acid compound, burned myself, but, look. Look for yourself. Do you see any trace of it. A positive charge on the mineral somehow creates a healing wave..."

Listening to Siyu intently, though shi does start to make hir way back to hir own breakfast, "If you are sure, you should eat though." Shi comments resuming eating while shi listens to Siyu. As he talks though hir eyes widen a bit. Most of the herbs and potions shi used wouldn't heal that quickly and would definitely leave a mark. Shi looks over the fur and skin more closely, going so far as to grip and look over the arm carefully, sniffing for the hint of a burn or chemical. Shi looks to Siyu's face again, then to the arm, even as hir bloated breasts rubbed against Siyu's outstretched limb....

Siyu pants a bit, some of the fur looks a little different, as if it wasn't part of the first patch around it. Slight discoloration, but it appears to be fully intact. He did say he started two weeks ago, when was it all swelling heat happen? As the breasts brush against them he gives a little bit of a gasp and moves to hold onto your arm, his own groin throbbing and a rather potent smell of fertile male pushing out. The rodent being a bit more musky then usual, "I just...I want to make sure I'm right, that I'm not imagining it, it's why I trust your opinion, next of course I'd have to get others from the university, explore, expound, a new branch of alchemical knowledge! But...but first I have to make sure I'm not crazy..." he laughs nervously, licking his full lips. "If you want you can...bring breakfast. I'll eat while you examine the mineral all right? So I'll prove I ate something to you, is that reasonable?" he inquires.

Mirana looks very skeptical about it all, but nods, "Give me an hour to cook things up and I'll be over to observe. This, is all quite strange." Shi comments as shi works to finish up hir own eggs and meats, bread and cheese, an a rather large cup of tea. All the while shi jiggles about, swearing a bit at hir own breasts and belly as shi seems to bump up against the table fairly often, even jarring it enough to nearly knock over hir teapot! A long sigh as shi gets to work cooking again, bumping hirself against quite a few things as shi goes about.

Siyu claps his hands and nods, "Thank you Mirana..you won't be disappointing I promise, I'll make sure everything is ready..." he grins and wanders back to his own house nearby. He rubs himself a bit, the rodent going to spend some seed, so pent up, what is causing that anyway..." quickly though he's back into his house. It's an interesting structure, built until a hillock, the ground floor sort of half built into the hill with an upper level out of wood and of course a large basement. That is where his work shop an experiments are and he goes to work back inside. Soon enough there's a tingling feeling in Mirana Even though her belly is full of young her loins would swell mildly, as if heat was returning to her, though it's not really possible. After all she was heavy with kits, there must be some explanation, but it serves as a fair distraction. Breasts perking up, nipples growing taught.

Mirana shook hir head at the feelings bubbling inside again. That simply wasn't possible. Shi was no where near far enough to be making milk... and... while hir maleness was active as was normal, hir female half was, or at least should have been, very contented. It wasn't too much, shi shook hir head again and continued to cook until shi had another full breakfast to bring with hir to Siyu's residence. A basket prepared, placed upon wheels, and taken with hir as shi waddles and sways hir way to his door and knocks.

Siyu was in the basement, there's a loud clang from somewhere and the sound of feet and wood and pretty soon the rodent is at the door, giving a brief little pant, face flushed, "Ah good! Good! Welcome please come in, I have the experiment set up in the basement." even with a quick session of relief he looks even more bloated. he gives a look at the basket and hmms, "Ah breakfast, thank you! Thank you I'll take that and we'll be." he stumbles a bit at the heavy basket and laughs nervously, "I suppose you weren't kidding about making me eat..." his residence is...quaint. It's well-kept and well decorated, but it doesn't' quite feel like a home. Nothing really fills lived in, at least not the parlor. He directs you don't the stairs, hips swaying back and forth as there's a brief descent into the basement lab. Fresh oil lamps have been placed and whicked, so it is bright enough. Once on the floor of the lab it's plain to see it's part of a natural cavern. The limestone caves underneath having been used to create a lab that looks bigger then it ought. In the center in a brass cage is a lump of rock about as large as your head, a few wires are connected to it, an they lead to a large array of glass tanks. Acid warnings plain upon the tanks, large reserve of it with metal plates inside. "Ah ha ah ha, so there it is! What I believe to be the future..." even with the smell of chemicals, and alchemical reagents, his own musk is pretty potent still down here.

Mirana both wrinkles hir nose and takes in deeper breaths, the scent of Siyu's musk bringing mixed feelings. Shi growls a bit at it as shi waddles hir way behind Siyu, heaving a sigh again as shi very carefully makes hir way down the stairs, going exceptionally slowly both due to hir own weight and the fact shi couldn't see the stairs! Shi had to carefully reach out with a paw and lean against the wall as shi works hir way down. When shi gets down there shi looks around, looking to Siyu. The look upon hir face though, it was... expecting, longing, and... hostile. A professional waiting for more information, a female, wanting the need starting to lick at hir loins tended to, a male, ready to fight this other male for territory....

Siyu grins a bit and he looks to the device and back to Mirana, and nods, "All right, here we go..I guess...I guess this is what the proof is..." he takes a scalpel from the work bench and walks over to the device and the mineral. He takes a deep breath and cuts himself on the outer arm. Rather quickly, and deeply, blood wells almost instantly as the cut is very clean with the sharpness of the steel and is soon dripping. He shivers in pain, and moves to a large switch. Swinging it down the acid in the tanks start to bubble as the crude batteries switch to life. A spark, and then the electrical charge is pushed into the mineral. It emits a faint green glow, a gentle bath of it. Siyu then follows it up by placing a desk prism underneath it ,focusing it upon his wound, and, as if by magic, the blood crusts, stops flowing, and he slowly works it along the length of the wood. In no time at all he holds it up. Grabbing some water splashing away the crust he shows a perfectly intact arm, no evidence of the cut, "It works right? Ya?" though the device is left on and the pale glow remains. Siyu doesn't seem to notice much, but his balls throb and fill with need, and Mirana would notice almost instantly too, an erect very hard to avoid as sac grows taught, prick grows firm, and sex and breasts moisten up. This close to the device it's very much apparently the cause of all the sensations was right here in the basement! The issue of course would be having enough willpower to resist it. But Siyu stands there, a healed arm, and the growing needs of both sexes are growing hungrier and hungrier as each second lingers in the green glow.

Astonishing! Mirana can't believe hir eyes! While some strange feelings flow through hir, primal needs working upon hir mind, but the wonder, the fascination of what shi just saw overpowered it. It was less a will to ignore the growing shaft that pushed hir dress up, or the trickle of honey that ran down hir leg, of milk that flowed softly to wet hir dress, but more a profound discovery that left hir baffled and amazed! "How did, what did, that can't be! That's impossible! The potions I mix dull pain, and help the body recover itself faster, ward away sickness, but, that was as if another force another... thing mended your arm without the use of, well, you!" Shi once more grabs Siyu's arm, pressing it tight against hir breasts as shi works to examine where the wound was... barely taking notice as hir maleness pokes against him...

Siyu gives a little pant, he squeaks as the larger fox presses against him, and forcing him against her breasts. He shivers as his own cock is now swollen, and while he doesn't have a dress pretty soon it's threatening to rip his breeches. Both maleness compete for space, his clothed one bumping against the root of Mirana's, sacs juggling, and all manner of fluid now staining his pants. He feels the hot press of his arms against the breasts, and sees the dribbling milk from the swollen mammies. Stammering a bit he tries to recover himself, "So it is true...how it works I do not know, but soon we can find out. Everything can be discovered..." he turns back to the green of the rock, an he takes the scalpel again. Letting you hold onto the arm, he gives a minor cut to it...so you can observe it more closely. Turning the prism to focus on his arm...between Mirana's breasts. It's like getting shocked by the battery tanks. A huge tingle runs right through the spine as the wound heals, but also causes Mirana's breasts to swell, heavier and heavier, and soon milk is trying to spray out. An unforeseen side effect. Siyu quickly trying to turn it away at the very obvious sign of growth, "Wh...what I don't....I don't know what happened..." and there is a quite resounding rip as his breeches give way and his prodigious balls and engorged cock and now free. Man of science or not the effects are clear, he's getting far too hot and bothered, driven by lust to try and focus on the nature of the problem growing in front of him.

Intent upon watching what was going to happen, Mirana doesn't notice until far too late what was going to happen! As hir breasts grow and milk filled them shi stumbles a bit, hir dress being tested by the swelling mounds as it is quickly soaked! Being quite a bit larger than Siyu, when space was being demanded, it was clear who would win, shi forcing him, be it shock, or just in hir own expansion, away from hir and the strange light that was over the pair of them. Should Siyu be successful in turning the strange light away or not, shi wasn't in much of a way to do anything about it as shi feels hir mind assaulted, baser needs pushing away thoughts of learning more, the ability to turn to run fading along with the ability to think about doing so. Bathed in the strange light or being freed from it would be in Siyu's paws....

Siyu just sort of pants as his own pre flows freely from his shaft, watching the enormous milk jugs wobble and flow in front of him, it's far too hot in here...the rodent just starting to remove the tie, and his shirt, all while still bathed in the green glow. The throbbing doesn't appear to stop in Mirana either. Now exposed directly to the mineral in it's excited state, the constant light causes a very slow...expansion. It might not be noticeable at first, but there is a trickle of millimeters as the seconds pass by. After having been directly effect the passive exposure causing the residual slow growth. Within a few seconds the sound of fabric ripping as the breasts will rip free of the dress with each passing second. Having quickly swollen 50 percent larger then their previously milk engorged roundness. The rodent swallows, "So, it's...it's far too hot to continue...the experiment um...you want to cool off. And think about this a bit later. We can eat and...and...well you have a lot of milk, I can have a taste and...and well. I mean you're already pregnant, maybe a little bit of a roll...around. I mean. Just quick, to clear the head, then we can focus again right?" he asks. His own shaft a foot long now, but the girth having rapidly increased, as wide as a drinking glass now.

Mirana tries to shake hir head clear, but looking at Siyu, feeling hir dress ripping... the throbbing, pulsing in hir own shaft, balls, and hir pussy making thoughts slow, as if they didn't think they were welcome in hir own head. Shi tries to move a bit, but barely can wobble and waddle in hir state, hands coming up first to try and support hir breasts but soon messaging them instead. Shi tries to talk, but all that comes out is a few whimpers and low moans. Shi gulps, panting there, looking at all the equipment, mind very slow in processing it all, then back to Siyu as hir knees tremble...

Siyu mphs a bit as he moves towards Mirana. Grabbing at their hands and squeezing as they try to hold onto their huge swollen breasts. They continue to throb as he leans in, and tries to capture a nipple with his mouth so he can suckle, so he can grab, and drink freely and deeply! Sweet sweet milk. His cock head is quickly buried against the base of their own. While their own cock is squeezed against his stomach. Two shafts rubbing against each other, spraying each other with pre as he presses and keeps drinking from the huge full breasts. Another giant press and Mira finds her self back against the pillar holding the mineral, and again the green light is focused on her tits. Pinned by the smaller Siyu her tits rapidly grow again. No longer millimeters, back to centimeters, adding a cup size about every 30 seconds. The hands trying to hold those tits overwhelmed in minutes. Barely able to keep them upright, within 5 they're overflowing any attempt by arms to lift them up. They remain firm and taught, round and positively stuffed with milk. As if nothing can drain them enough to soften them. Siyu finally having to pull off because the nipple has grown larger then his mouth can take each round tit now firmly resting atop their belly and pulling them down with the weight. Easily visible from behind now, half again as wide as their shoulders, pulling Mira down with the weight of milk, "Ah....ah wait...they kept growing!"

Mirana moans out when Siyu pushes hir back, suckling and drinking from hir. Once hir breasts are too much for hir to remain upright, shi falls to hir knees and upon them, panting and straining as hir cock pushes against hir own belly. Dazed by all that was happening to hir, the heat within, how hard, hard as stone, hir breasts were from trying to hold in that milk, shi felt like shi was drowning in sensation as shi tried to keep hir muzzle above water... hir new position allowing even more of hir to be graced by that green healing energy, to do upon hir what it would as shi struggles to try and get upright again, to relieve hir aching breasts, huge nipples spraying milk, the light streaming over hir....

Siyu leans to try and grab and help, but there's nothing really for the short rodent to do. As soon as you hit the floor your tits spray milk. Any pressure is like squeezing a balloon and milk just explodes. Rocking back and forth on your stomach would cause a satisfying spray of milk, a mere moments relief before the tension comes back again. And of course now everything is exposed. The rodent's cock is hard and leaking, and he feels a need for release like he's never felt before. He pants and tries to mount, running his cock-head against Mira's sex, grabbing at their own prick and giving it a stroke, "Just...just wait, okay, once...once I get this cleared up I'll think of something, I can think...." the constant flow of light creating more and more sensation, a new burning itching sensation forming underneath the first set of your hard swollen tits. The orbs now bulging with heavy blue veins, nipples growing longer, easily grab-able of course, and you can tug and pull to help spray more as they squeeze. But it does appear as if the milk is never ending. The itching continues as a new set of nipples forms under the first, and begin to grow in the same hyper accelerated rate. A new cup-size every 30 seconds, A second set of tits forming below the first. Siyu not having noticed, and having too much on his mind, tries to plunge into your female sex, and bury his shaft in. Rocking you hard on the heavy tits, causing a tremendous spray of milk as his balls hit your own.

Mirana couldn't speak, she couldn't think hirself. Everything was tingling, but for now only hir breasts seemed to be growing... and multiplying. For now at least shi could reach hir own nipples and stroke on them, the rocking and that forcing more milk from hir, even as another set of breasts starts to fight for space under her. An loud bark and a long moan as shi feels Siyu mount on hir, pushing his cock into hir sex! Rocking back into him, exposing even more of hirself, then forward again, allow the light to move about against hir body as shi barks, moans, pants, pleasure and pain all battering hir mind until it was all shi could focus upon...

Siyu isn't going to take long in his engorged state, a few heavy thrusts, back and forth, each thrust causing a spray of milk to erupt from you. Those nipples growing longer and thicker in your hands, until it's hard to grab even one, the nipple forcing your fingers apart as the girth of your breasts is soon overwhelming the girth of your stomach. Pushing you up from the floor with their weight. And now that you're resting on your giant swollen tits milk is spraying at a constant rate, quarts a minute as the sensation of milk being forced from your ever producing boobs ramps up. Your second set quickly each the size of the first. Now fully supporting you on a shelf of tit flesh. Siyu cums, orgasming quite hard an fully, flooding into your stuffed womb, but he doesn't' find any relief. He gives your own cock a few more pumps, seeing if you felt at all satisfied before he turns his attention back to the device. Taking the crystal, he turns and focuses it again...this time between your legs. Right upon your female sex. A tingling, and then an empty feeling in your gut as your hips widen, swelling broadly, as more slits begin to appear on your body! Each a fully formed female member, and they rapidly swell up. The lips engorging, and pushing out as if they're in heat. The clits standing at attention, and once more, your belly swelling with new wombs. Virgin Sexes and wombs are quickly starting to jockey for space between your rapidly spreading legs.

Mirana barks and cries out, the feeling of being cum into and the stroking on hir cock along with hir breasts growing to surround the struggling member brings hir to a crest, emptying hir load upon the floor as shi finds hirself able to stand once more. Hir mind was just starting to clear when shi feels something else... new heat burning into hir, hir hips widening, hir belly swelling slightly... hir legs forced apart and once more shi is drowning as hir breasts start to form pools around from the rapidly releasing milk. Shi gives a haunting howl as shi tries to come back to hirself, but... it was more of a struggle now than before! Shi grips upon hir breasts, tight against hirself, "What's... going... I...." shi manages to say though it is more barked than said...

Siyu pants, his cock longer and thicker now, much more like a horse at 18 inches, his sac now descending between his legs, "Just...hold on, I need to...I need to get rid of this pent up...I'm too pent up. Let me just get rid of it then we can think...then we can think..." fairly shorty a half dozen slits are aching to be filled across the split of your legs. Your stomach, despite it's swelling feels empty, and the rodent goes for the first newly formed sex. It is virginal, but already in heat. The eggs wait, in fact all of the wombs, freshly created, and very much pumping out their estrogen and their clutches of young. Just as the flow from your breasts can't stop it seems as if the flow from your ovaries cannot. Once more the rodent plunges in quickly and fully. Thumping hard until he can find the back of the fresh womb, a new place to lay his seed! Your breasts continue their rise. centimeters at a time. Perhaps now it's not so noticeable, but over time you get higher and higher off of the floor. Now forming a painfully full water bed as your nipples are forced from your hands. the four sets are going to be joined by a 3rd. as they are now jostling for room. A swelling stomach, and three layers of treat. All the while, a new sex gets added here and there. The rodent not paying attention as he pounds each fresh hole. Your male sexes begin to reproduce too, half as man as the female, but the formation of new dangling testes, and stiff cocks is distracting, even more so again as they begin to lengthen.

Mirana cries out loudly, lurid, lewd moans issuing from hir muzzle as hir arms work to seem to try and contain hirself somehow! Dizzy, milk beginning to puddle all around, and hir wombs crowded with eggs waiting for new seed to make new kits with. Shi gasps and pants, feeling hir rods filling the area between hir breasts... at least until hir belly should get big enough to force them away as well, hormones coursing through hir blood hotter and stronger with each passing moment as shi desperately tries to grasp at awareness, to recover hir senses. Shi needed a mate, on hir cocks too! Hir wombs needed seed, and now! Siyu was providing, but it seemed the more shi got, the more shi needed. "I... can't... what's... hap... .AH" Shi screams, another torrent of hir own cum mixing with the raising level of milk within the cavernous basement... Belly swelling, hips spreading wider, everything growing and multiplying, adding more and more to hir....

The flood of it is soon starting to grow concerning, the layers of fluid, milk and cum, seed and sustenance are rising. it's not just a pool spread out underneath it's starting to really splatter and grow thick on the floor, enough so that someone will certainly find their feet sticky should they come down. It doesn't feel as if anything is going to stop, as if the seed and the need are going to keep flowing forever, "Just...just let me..." he stammers again as the machine finally sparks and fizzes. The primitive batteries have had their last jolt. The rock however, doesn't appear to full turn off. Despite it's now weakened state the glowing green light just intermittently pulses. But the time the machine shuts off, there's 2 dozen slits arranged between Mirana's poor legs. Not that she'll ever really walk again. They're arranged in 3 rows of 8, each plump and glistening with a clit like a thumb. Half as many pricks and balls spread out on the floor, lazily rolling left, or right, and cumming when the sacs are full. Siyu, much like a worker bee, is frantically trying to pollinate each waiting empty sexy. From one to the other he leaps, stuffing his grossly swollen cock, as he does his fat ever full sac grinds against an exposed clit. Cum and seed spray and fill, as more and more eggs are stuffed. Three enormous breasts, each as big as your own torso provide a buoyancy, at least until your stomach begins to overtake their own growth. It's sensation after sensation.

"Ahhhh... S... AAAHHH Oh.... I... WAAAooooohhhh...." Mirana tries to talk, but it was no use. Shi was too overtaken, breasts, 6 of them, so large shi couldn't reach hir nipples any more.... a belly that was growing, spreading them out and apart, and shi could feel the climbing wall of mixed fluid on hir fur. Each time shi was inseminated, it... was strange, it was as if there were an egg for nearly every seed planted in hir... with hir over worked, multiplied ovaries developing more, filling hir womb with eggs... which would soon overflow with kits instead. Hir breasts, belly, and balls were each harder than stone with what they were holding in, and it seemed hir body only demanded that they hold more! Though... some thought was coming back to hir, slowly, most of it concerned with how impossible all of this was before another rock against hir, another flick against one of hir clits, another push that rubbed hir many cocks against themselves and hir sent hir into a screaming climax again....

Siyu pants harder and harder, his cock grows longer and thicker, his balls grow denser and heavier. The need to stuff and spread his seed never goes away. The glow of the mineral from another world, another place, another dimension sustains it all. There's no need for sleep, for food, for water, the flow of fluid soon grows ankle deep...and finally there's a rushing gurgling noise. The caves the lab was hewn from. An outflow, a waterfall of cum and milk will spray down into the lower caves. All that is left is to breed and find release, every wobble every motion, every rub, everything grows more sensitive, every touch every grind, it becomes super heightened as the dance of the drone continues, more cum, more seed, more flow....until finally, more hands join in, smaller hands, and then more, and more...the dance continues, for as long as there is sensation.

Mirana cries out time and time again as shi's filled over and over again! Shi can feel hir wombs spreading out, feel hir breasts moving, cocks, balls, everything shifting around, it pushing awareness farther and farther away, until it was all shi could feel. It couldn't be called sleep, or a coma, only a lack of awareness, like hir mind wasn't in the world anymore. Shi couldn't tell how long it was like that, shi couldn't know. It was like a dream, but also not a dream. It wasn't possible, what shi'd experienced. Of course it had to be a dream.... or a nightmare.... shi was heavy, very heavy... how long had shi been out? All shi needed to do was to roll out of bed though....

Siyu is sleeping now, upon your back, the rodent is covered in a sea of fluid, dried and crusted upon him, no of course, his shaft is still rather stiff, balls still full but he's finally sleeping, you can feel him on you, though it's hard to move your head around, you're still stuck on the floor, a bed of belly and tits now a constant reminder of your state upon the floor.