Shhh ~
You wake up to a very unusual situation, and not everything makes a whole lot of sense but you aren't going to think too hard about it- because your girlfriend is rapidly transforming into a jumble of animal features, and you don't want her to show you up, do you?
(M POV & F tf ... multiform)
Your body is heavy, doesn't want to move- you are asleep. Oh, wait, you suppose if you are thinking that you must be awake again? You feel the mattress sink in beside you? Someone getting up? Your girlfriend must have accidentally woken you up with her own movements. You let out a soft moan and she lets out a deep, musical giggle as she leans over and kisses you on the forehead before getting up to go somewhere- probably the bathroom.
"Mmm... muh-muuoo. Moo-ooo. Mmmm~!" Moos? Increasingly distressed sounding moos.
You open your eyes partially and glance down before your eyes open wide immediately! You look down toward her at the same time she falls forward and hits the foot of the bed! The mattress immediately sinks- and even with her breasts sunken into the soft material they still look giant! They undulate like water balloons as they grow still larger!
"I... can't get up. Help moo?"
She fell over because she cannot possibly balance properly with tits that big! They were the size of a big jack-o-lantern pumpkin each. They are soft and wobble around quite a bit with every little movement she makes, but as you watch you see their softness is fading. Rather than simply growing, they are slowly becoming more round... more full of milk. She places a cloven hoof on the end of the bed and tries to shove herself back off.
Wait hooves? Oh, well she is part cow so that makes sense. Her arms are still very much human in shape and size but end in cloven hooves. Her ears start to look elven, then the cartilage thins and the ear spreads wider into a large leaf-shape and start to flick around as the new muscles form in their base to grant them mobility. As her cute face scrunches up in effort to heave her massive assets up off the bed, it becomes still cuter. The front of her nose expands- both forward and to the sides, causing the bridge of her nose to let out hollow pops as it is forced wider to keep up. Each time it pops she makes a snorting sound in reaction- a jet of hot air from her increasingly large nostrils. Her nose expanding forward flattened the crook between the base of the nose and her upper lip- and as soon as that divide was erased, the pink coloration of her plump lips consumed the front of her nose. She looks like she has a cow face- even though she has no muzzle.
You sit up and then get up onto your knees as you crawl down the bed to her to try and help. She manages to lift herself off, forcing herself into her feet but with a heavy forward bow. She wobbled in place, turning to try to get to the bathroom to milk herself but then her feet let out some rather loud crunches as the bones suddenly shifted! She immediately fell to all fours!
You sit on the end of the bed looking down at her rump, bewildered and not nearly awake enough for all the gears in your head to fully turn as of yet. Her middle toe expands gigantically, shoving the others aside and deforming her entire foot! The nail turns to a small hoof and then the internal portion of the toe expands as well, stretching her entire foot out and pressing into the other bones so hard that it consumes them! The hundreds of tiny bones of her foot instead become a single cannon bone- which then steals some of the length from her shin to fuel its growth still larger!
They are miss-matched though. It doesn't even click in your head at the time but her arms have cloven hooves- her legs have the singular digit of an odd-toe ungulate. You are snapped out of your trance of watching her change when her tail unintentionally slaps the side of your face! You did not even notice she grew one. It is a long cow tail, but the tassel on the end has the volume and length more appropriate for a horse's tail. Her glistening golden hair is so violently wavy that her tassel is shaped like a corkscrew- a giant single ringlet.
She moos desperately and you immediately resume your effort to help her, slipping off the foot of the bed to stand behind her, reaching around her sides to pet the sides of her swelling tits. They look like they are growing- but they are just filling more. Their elongated form dangling under her starts to shorten and become rounder as the flesh firms up, trying harder to hold all the hot fluid in.
You find the soft crinkles of flesh at the base of her huge nipples and with an index and thumb from either hand you gently grip the base and tug forward. She lets out a moo that is more of a moan, then snorts loudly in approval as she explodes milk! Her nipples easily erupt a solid stream forward but also about five other hair-thick streams of milk in random directions off the surface of the teat. The jet of fluid scratches the inside of her nipples- touching her in a place that cannot be fondled any other way.
Her breasts continue to engorge though- apparently producing faster than you can empty it. Her areola darken and start to puff up into a half-sphere dome off the front of her breasts! Stiff bumps plumpen across its surface to protect the skin from chaffing from excess fondling. Her nipples then grew longer and fatter! As long as your middle finger and as thick as the very base of your thumb the entire length! You realize she is auto-lactating at this point. Your milking her increases the strength of the stream to a garden-hose on full blast level of fluid- but even if you don't touch her at all, the pressure is now great enough that milk will still come out on its own.
You are only wearing underwear, so there is not much of a buffer between you and her- to milk her properly like this you have to reach around to grab both breasts at once from behind... but that puts her butt firmly into your crotch. Her tail loosely curls around your neck, draping the tassel off the other side and onto your chest. You notice her butt pushing into you more firmly... but she isn't changing her position.
You glance down and see her legs getting larger- and the muscle in them bulge tremendously! Her thighs went from soft and meaty to huge and solid! Then her butt cheeks inflated tremendously! Her hips let out hollow, loud pops and expand huge to give her already big ass room to grow still larger! She unintentionally shoves her growing rump into you from lack of room alone, which causes your erection to swell tighter and for a moment you feel light-headed from a rush of blood to your cock! Her pussy is making your underpants wet, squishing into your bulge and her ass is so huge at this point that even with her pussy on-level with your crotch; the top of her ass is on your chest. Her ass is almost as big as your entire torso. And she isn't intentionally raising it- her legs grew but her arms did not, so she can't stand on all fours without aiming her ass up!
Her anus starts to inflate with large rings of muscle, projecting it out. Her pussy starts to part itself over your bulge as it becomes meatier- the flesh darkening as it thickens, projecting off her further as well. Her clit throbs powerfully, making her moo again as it clenches and swells. Then again. Then again! A large bead in size, then a marble, a large marble, a ping-pong ball, then a golf ball before stopping! A giant neon pink knot of pleasure nerves- her now equine clitoris has a vaguely heart-shaped form.
With her butt firmly against you as you milk her- you cannot see this directly but you can picture is vividly in your mind because her flesh is pressed so firmly into you that you can feel every subtle shift in form as it happens. It feels so hot, you'd think your crotch was sweating if you were not already so sure it was her pussy juices soaking your underpants.
Your balls enlarge, feeling so full and pent up now as your erection goes beyond what normal arousal could have possibly caused. The bulge stretches further, starting to open the slit on the front of your underpants as they struggle to contain your endowments! You start to thrust against her gently- rubbing the bulge against her soft, leathery equine vulva, making her clit clench and project outward, winking at you.
Your dick becomes so thick, but finally grows so large overall that it shoves its way out the front of your underpants on its own! The fabric edges immediately tug on the sides of the shaft and your foreskin feels an odd, itchy pleasure. Your dick is trying to grow forward but the edges of your overtaxed underwear are tugging the loose outer flesh back. You cannot see it at this angle but somehow in your mind you know that your package is now oddly a flesh tone darker than the rest of your body. A deeper, more diffused red than it is supposed to be.
The head is already enormous- almost big enough to fill your entire hand on its own, but it's grown wider than anything, causing its shape to be more mushroom. The edge of your foreskin just under the wide-rim glans starts to look puffy as it develops a ring of muscle. Then the itchy pleasure increases and you groan loudly as your dick starts to unfurl longer than it's supposed to be able to- the foreskin remaining where it already was as the inner flesh peels away into two layers, feeling like someone peeling tape off a patch of bare skin. The muscle ring that was at the edge of your former foreskin... is a medial ring!
The flesh at the base of your crotch bulks up, darkening still further do a deep, diffused red, then a rich grey, charcoal, and then matte black!! The flesh becomes so thick it folds on itself forming several rings of plump flesh, creating a ridge around the base of your dick before the lower portion of your cock starts to grow longer now too- flattening out some of the massive folds on your crotch. You now have a sheath! Your balls gurgle and swell larger and fuller as the scrotum darkens to match. The coloration fades on your upper crotch, but some fat, pronounced veins drag the coloration slightly higher up on their surface.
You pass her pussy, snagging the wide head of your cock on her giant clit, but when it darts back inside for a split second you flick past! You grow past her crotch, then past her navel, her midriff. The head of your dick becomes tighter, the cleft in the front deeper and more pronounced. Your urethra tightens and projects out from the head a bit, but causes the glans to collapse inward around its base as well, giving you a urethral procession. The corona becomes bumpy and stretch even further out from the shaft, deforming the entire head into an equine shape! The dark skin tone becomes mottled at the halfway point though- the new flesh emerging from what used to be your foreskin is candy pink in contrast to the matte black the rest has turned.
Your balls become so large they overfill your underpants entirely, causing the elastic to snap and they fall off you. Your balls are so large they almost hang to your knees! Each one is like an ostrich egg- you'd need both hands to encompass a single testicle! You feel her lower ribs brush the wide corona of your cock and it is too arousing a thought. Too horny, can't milk her any longer- now YOU need to be milked!
You let go of her enormous tits and have to take two and a half steps back to line your giant dick up with her pussy- and it's still growing! You wait for her clit to pop out on its own as the starting flag to plunge in! She moos loudly and her ears and tail both flick at once from the pleasure! The moment you get the head into her, the pleasure causes your cock to clench automatically and rather than simply tighten- you can feel the tingle of a sudden rush of blood to the head, and it expands even further! The glans flare, pulling even smoother with tightness as they stretch even wider, dragging the large bumpy edge of the corona against the walls of her undulating pussy. Her own automatic clenching ripples the muscle ribs of the inner pussy inward, like it is trying to drink your cock in.
Bigger and wider- the last tenth of your shaft length now stretches wider to try and keep up with the giant head, making the end of your cock trumpet-shaped! The pleasure of all your nerves being stretched along with it is too much- you freeze after putting only the head in her till the flare is full, then slowly resume plowing into her, burying more and more shaft into her. You end up sliding in faster than you intended because while you are thrusting slow- the shaft is still getting longer. She still has a human sized torso; her pussy must be a pocket-realm, because you're putting more into her than it should be physically possible for her to contain.
Her legs get both longer and larger- lifting you off the floor! Her giant rump pressed into your torso picks you up on its bouncy surface while your cock makes sure you cannot easily slide off. Your huge pendulous balls swing under you both when you thrust, swinging far enough to slap her clit when it pops out, causing her to let out a soft yelp of pleasure each time.
Once you have gone fully balls-deep enough times to brace yourself to the pleasure of your now gargantuan meat, you start thrusting with more gusto and your entire body starts to enlarge! Your own feet click and snap, deforming and growing into horse hooves as your muscles all over enlarge; becoming more pronounced. You enlarge enough that your hooves can once again touch the floor while banging her! When you grow, the surface tissue tingles slightly, and your muscle swells, making you feel full but also a mild pleasure like a good stretch while it happens. It almost doesn't feel like you are actually changing shape at all- it just feels like you are swelling up bigger. Because of that, you did not notice you had grown a horse tail at first. The feeling felt the same as it did everywhere else, just more intense, because it was stretching the flesh and bone into an entirely new limb.
Your thrusts make her breasts wobble back and forth, spraying milk wildly onto the floor. Her nipples are now as thick as a shot-glass and as long as your entire hand from wrist to fingertip! The bumps across the areola surface are the size of large beads, and her areola as wide as a dinner plate and projected as far out as a small bowl! Her breasts have faint veins visible in them and have swollen to the size of oblong medicine balls. Given how you can feel the force of their swinging through her entire body as you thrust into her- you guess they also weight as much as a medicine ball too.
You feel your pleasure starting to peak and try to hold back, but it feels too good. You place your hands on the small of her back and ripple her giant muscular ass as you pound her till you cum explosively! You can feel your cum fill and then stretch her! You can feel it surround your cock then pressurize her insides from the amount! Her lower belly puffs up into a bit of a ponch, then a soft hill, then a little bubble! By the time you finish her belly is a tight, gradual dome!
She giggles and moves to step forward, sliding off you but you grab her meaty butt. You do not want to stop yet, that was too good! You grab her tightly and thrust as far in as you can and your dick starts to tingle with an almost electric pleasure! The base of your cock feels so full and pressurized, like someone is trying to forcefully shove your dick back into the sheath when it isn't ready to go!
Internally- that is almost exactly what is happening. The head of your shaft starts to collapse inward- the shaft forcing the flared rim forward while the face of the glans sinks deeper inward, making the front of your cock bowl-shaped. The base of the shaft up to the medial ring started to compress back into the sheath, but rather than go soft- the blood pressure was forcing it wider instead! It bulged obscenely wide as it sunk into the soft folds of the sheath. This made your fit in her pussy tighter and tighter, because the lower portion of your cock is getting wider than her vaginal passage can even take, while already being inside of it.
The head of your penis collapsed in entirely, causing the segment of cock behind it to swell a bit wider- though nothing like the bottom was. The end formed into a bowl-shaped pocket now, while your urethra did not change at all- which means it now projects off the bottom rim of this pocket like a rounded spike. The head of a canine phallus, as the lower part of your cock is now too large even for your own soft, loose sheath to contain and is forcefully popped back out as a gargantuan knot. There. Now she can't pull off- you're tied. Your knot is wedged between the muscle ribs of her inner pussy and the outer vulva that allows it to close- so it can neither go deeper nor pull back out, because her muscle lining cannot open far enough to let it pass.
The knot is still oddly black, becoming mottled onto the candy pink shaft- so the coloration did not change from being a horse dick. The corona also remained bumpy- which in the context of a canine dick means the edge of the impacted front is corrugated. Its overall mass did not change from being a giant horse cock, either. The knot is like two oval-shaped coconuts side-by-side. It is so large the very bottom of the knot is exposed to the open air- unable to fit inside, but the rest is firmly wedged in place inside.
She let out a deep, womanly chuckle, glancing back at you over her shoulder. "What now, silly man?"
"Huh?"
You cocked your brow and grinned and went to thrust in, but couldn't. Oh... right. You can't move. The knot is literally locked in place- it cannot move forward or back, which means you can't really fuck her now... but you are too horny for the knot to shrink so you also can't escape. Guess you didn't plan that out well enough.
"I could help... but... what do you have to offer me, hmm?"
You dawn a defiant expression as she flops on her side, then turns herself so she can face you, laying on her back on the bed. Her heavy and still leaking breasts flop to either side of her, leaving her actual chest flat in the valley between while her giant teats water the bed like a sprinkler system. Wait, when did you get back onto the bed? Eh, irrelevant.
You concentrate and your dick tingles again pleasurably, blood pressure shoving tightly on the surface of the club-shaped shaft beyond the knot as hundreds of tiny rounded thorns stretch from its surface! Tiny phallic barbs, erected on blood pressure to brush the inside of her pussy! The barbs of a feline penis. To match this- your tail twitched and lengthened considerably while the hairs shortened into fur and spread over the new length as well- quickly turning into a long bushy cat tail. You grin as your teeth knit themselves together, sharpening into fangs. Your ears become larger, thinner, and triangular like a cat, but the very tips flop over limp like some dog breeds. Your body hair increases, but softens to fur, creating a mat of very dark brown fur on your forearms, chest, upper back and your crotch- but the patch that used to be your pubes spreads and connects to your tail before consuming the entirety of your lower body, trailing into a triangle a bit higher in the front. Fenine - feline and canine. You nod back to her, like this were a challenge for her to match.
She cooed, then snorted in approval from her large bovine nostrils. "Oooh, very good."
Her body let off a loud, sharp snap that sounded painful but clearly was not. It was not her bones this time- it was her hooves shattering suddenly into fragments and falling away! The shards of her hooves that remained- remained as narrow claws! Her limbs did not regain hands or feet though- they bulged wide as fur grew from the backs and knuckle joints to quickly consume them entirely as they evolve into paws! The flesh on their underside still naked as it swells into neon pink bubbles- stuffed tightly with fat deposits to form pads to cushion her step as well as hold her claws up off the ground so they remain sharp.
Her back paws however expanded wider than the horse limbs but remained just as elongated as when the foot was a single cannon bone- it's a giant plantigrade paw, while the front were digitigrade paws. She is again a blend of more than one species. She pressed her gigantic rear paws onto your body, squishing the giant soft pads against you. Her tail collapsed in on itself, bulging out to be round instead! It turned into a pom-pom, but so enormously fluffy with her golden fur that it is the size of a basketball. Giant plantigrade feet, puff-ball tail... it's rabbit season.
Her own chest grew a bit of fur but only as a bushy plume along her collar bone, sitting in but not growing in the valley of her giant boobs. Like a shimmer of discoloration; fur rapidly grew on her lower body too, ending at her hips and trailing up in the front exactly like yours, but unlike your solid dark brown- hers is white with black spots. Not splotches like a cow- spots like a dual-colored bunny. She moaned and archs her back, arching her body up toward you and you see six neon pink dots form on her body, then poke out into little nips before the entire area around their base starts to swell up! Breasts- a lot of them!
The middle left and bottom right breast end up with black nipples and areola, unlike the others which were pink; if her fur extended that far, you're guessing there would be a black spot over them. Her original two breasts remained gigantic and flopped to either side, spewing milk relentlessly from dark nipples- ignoring what the other breasts became. The six new breasts adorning her torso look to be B cups, and the areola are a bit projected and nipples pretty large for their size, which gives the overall breasts a slightly conical front to them.
Her leaf shaped ears retained their shape but now enlarge even further and become looser, till they flop over themselves like a dog. Her eyebrows turn both black and white while her actual hair remains golden. The white forms a perfect circle on her inner brows while the rest turned black. She scrunches her face up a moment from the sensation as her two front teeth enlarge to the point where they do not fully fit in her mouth- overlapping her lower lip slightly; buck teeth like a bunny. While her anus remains unchanged from the plush equine pucker- her vulva quickly changes shape!
It feels like her pussy loosens it death grip, as if growing larger now to actually properly fit even your gargantuan knot. Because it widens, the plush projected lips look like they fold inward at the bottom- changing its overall shape from a long slit to a plush triangle. Her clit did not shrink, but the labia instead fattened to swallow it under its own clitoral hood, resulting in her vulva bulging tremendously at its top 'corner' where the clit now hides. Its hood adheres to its surface now tightly, so you cannot tug on the labia without also tugging the clit. The lips became so enormously plump her vulva projected a good two and a half inches off her pelvic floor, starting to look like a rubbery triangular cushion between her legs! A canine pussy! Oh- now you recognize her eyebrows, a husky! Because it's black and white fur also matches the spotted rabbit. But she still has her demi-cow face so it was hard to recognize at first. You are both a bit of a jumble at this point.
She smiles warmly and lifts her hips, rolling her weight back on her upper body. As her hips roll back away from your groin, she moves around you! Her pussy is loose enough for your cock to move- but not enough for it to escape. In fact- the further she pulls back the harder her pussy sucks on your cock! The extremely plush, rubbery lips of the outer canine vulva stretch out- a lot. The further they stretch away from her though, the harder the pussy collapses on your dick and sucks it, because air cannot escape or enter her passage with your dick tied to it, so it's vacuum sealed.
That means you can thrust again, because she will just stretch and flex with your shaft! You drop to all fours- your hands on either side of her ribs and she crosses her legs behind your butt, hugging your hips loosely with her giant paws. Her thighs are squishy now- her giant round ass and thighs did not change size from when they were equine, but are now much softer with equal parts fat and muscle, more in line with a rabbit's plump upper legs.
You can pull your dick back a good few inches, before it starts to tingle with the extreme pressure of her pussy's suction on it yanking you back into her. Since she is on her back you are treated to the view of all her little puffy breasts jostling around with every one of your thrusts. She uses her dog-paws to heft her original two and squish in the fronts at the base of the teats to cause them to erupt milk even harder- almost arching the streams high enough to spray your face. She smiles at you and wobbles them back and forth, causing the gargantuan teats to nod heavily up and down off their ends too.
Pulling back collapses the tight skin of her pussy onto your knot, sucking on the curve of it- the most sensitive part of a canine phallus, but that pleasure also causes your groin muscles to clench which spikes the blood pressure, making the veins squirm below the surface and the hundreds of tiny barbs towards its end to stand out, dragging on her inner walls, making her moan too. Her breathing is loud thanks to the size of her nostrils.
The pleasure is a constant on your giant hybrid cock, like a sharp electrical buzz created from even the slightest movement from either of you, but it also rippled up and echoed through your whole body with increasing intensity, more like a warm pulse than the sharp tingle of your actual cock. You'd have cum instantly from it if you had not already blown your load just minutes before this. The pleasure peaks and holds, already orgasmic- you'll blow the moment your balls finish another load to deliver in the first place.
She smiles at how your breathing so heavily- your skin glistening with perspiration from the effort of your thrusts. Her lower body starting to tremble as she is afflicted with dozens of mini-orgasms from your frantic thrusts. She unlocks her giant paws and puts them down, then thrusts up clapping your crotch to hers and grips you with her thighs, yanking you down into her! Your body falls to hers- jabbing you with all her rubbery, stiff nipples and smothering your face into her giant fat udder-boobs, pressing them together with her paws to form the landing pad for your face! She bounces your hips off hers making rapid micro thrusts! Your whole body stiffens from the onslaught of pleasure as she took over.
Your eyes widen but you cannot say anything because your face is still smothered in milk-slick tit flesh! You feel your balls roll up and clench to your groin, and with a dull but strong pulse of pleasure they enlarge even beyond a huge horse! A sharp pleasure deep inside starts to throb as your prostate enlarges to inhuman proportions, squeezing itself against your other internal organs to make room. Your dick starts firing bursts of pre every second with a half second clench between!! You are firing more liquid than when you orgasm and it's just pre!
She doesn't let up. Even when her own hips are trembling like a leaf in the wind and her inner pussy is clenching and sucking on your cock desperately in her own orgasm she keeps her rapid, ceaseless barrage of shallow, rapid thrusts! Your balls wobble around from their weight but your scrotum tightens around them. As big as a basketball each! It feels like you are so pent up, but still do not orgasm in spite of the pleasure already being there. More and more pre ejecting into her like a broken faucet! You can HEAR your balls gurgle, and feel them brush your butt cheeks from behind! Holy shit they must be the size of a large pumpkin each! Even though they are half rested against HER butt, you can feel the increasing weight on your crotch. Then they start to brush your butt even when they aren't swinging! They fill the gap between the two butts entirely on their own!! The size of a yoga ball each!
Your dick is spewing pre constantly now- there is no break! The clenching groin muscles only cause the barbs on your dick to jut out harder, and slow the flow of pre momentary- not interrupt it. You go cross-eyed from the sensation. Your urethra is stretching wider- there is so much fluid pressure flowing through it so consistently! Your balls are resting on the floor- but the SIDES of them are pressed into your butt, which means on all fours; they are taller than you are! Each the size of a beanbag chair! They are... rumbling?! Your urethra strains to fit it all through, stretching; your dick firing a jet of pre hard enough to power-wash a car! Your balls clench again so hard their mass almost rolls you over her, unable to brace the force!
Your dick explodes cum so hard and constantly you can see her stomach bulging up like watching a time-lapse of dough baking in an oven! She looks nine months pregnant in five seconds, and you just keep cumming. Her small breasts getting spread further and further apart across the giant swelling ball that is her pressurized belly! Your vision turns white from the pleasure overloading your brain! Your ears are ringing. Ah, the ringing is so loud!
You turn over and bang your elbow on the night table, waking up and realizing the ringing is your alarm. Wait, what the fuck? Oh... for... fuck's sake. You glance over your shoulder at your still sleeping girlfriend and let out a heavy sigh as you realize you had been dreaming. Yea... you suppose that does explain the sudden ability to magically transform. Your underpants are pressurized by your erection jutting straight forward and your crotch is sopping with the amount of pre.
Uuuuugh, you don't want to wake up yet! You have a dream you need to finish!
You just slap randomly at the top of the alarm click till you manage to find the button to turn it off.
"Shhhh."