You roll onto your back, limbs tucked in panting happily as you relish the lingering waves of your orgasm steadily ebbing. Soft whines mixed of pleasure and distress pour from your oddly shape maw realizing the sensation of your daydream stud's thick doghood no longer remained knotted inside your dripping sex, thighs squeezed anxious to feel some sort of familiar pressure trapped between your tender folds. Still; reveling in the bliss of primal conception leaves you undoubtedly content even if it had only been in your mind, stretching your slender body out as your tail thumps upon the floor.
Wait...you feel "your tail?"
Eyes flutter lazily open yet with mild alert as you start to process this, cocking your head forward to look down past your legs. It takes you a few seconds after seeing your fuzzy curled tail to react accordingly; grinning at first as the sight and feel of a developing canine tail appears normal and comforting until the shock finally hits you. You clamor up onto your hands getting a better view of the appendage whipping at your thighs, panting wildly out of instinct and startled excitement. You watch it move on its own taking in the real sensations of what it touches before reaching out to grab it.
You freeze gasping through your pants as you sit up fully holding out both hands in front turning and examining them over and over again until you are finally convinced at what you see. Fingers have become thick and swollen almost shorter than normal, plump rough pads covering the skin behind them as well as massively over your palms. You curl your fingers flexing the boney extensions considered canine claws, admittedly liking the strange fierce feeling of having better protection.
From your examination you begin to notice the short fine hairs that had thickened over the skin of your hands running up your arms, brushing you shoulders to feel the same fuzz. A soft whine escapes you once more admittedly pleased with the feel of short fur upon her hide, but the fact it seems to have completely blanketed your entire body still rouses concern. Looking back down your chest you cup your breasts, the mild daze you feel from this situation distorting your original perception of them; forgetting if they used to look this big...or this small. What you do know is that your torso never appeared as wide as it did now, padded fingers tracing the outline of your rib cage pushing against your flesh; partially barreled.
Your face. You gently slap your animal-like forepaws over your cheeks and rub identifying the protrusion of your cheekbones and the abnormal protrusion of the front of your face. You lick your lips feeling the canine fangs and slightly altered changes to your teeth, taken back by how far your tongue had to reach as our fingers slide over the short length of a premature animal muzzle.
This can't be real. You must be dreaming this.
You rush to your feet only to stumble back forward hitting the floor, groaning in pain as you look back down your legs. Your thighs seems a bit larger than normal and your calves appear a bit shorter, but otherwise they seem to still function as normal legs. You peer back farther catching the shape of your feet and realize the issue, arches elongated and toes rounded having taken a nearly proper canine form. Luckily; that only means you have to get use to standing on your paws as if on the tip of your toes, and it seems it doesn't take too much effort to do as you climb up the nearest fixture for support and finally balance your way to the bathroom.
Lights flicked on blinding your vision for just a moment you come up to the sink counter and marvel at your reflection. Everything you have felt was indeed real, the image of a human girl now distorted and morphed into a partial anthropomorphic fuzzy animal. You know you feel like a dog yet your transformation is vague uncertain what kind of breed you are turning into.
You stare into the mirror longer than intended, stroking your short fur over your arms and sides as you try to conform to the new appearance. You look back once more to your swinging tail and down to your large animal feetpaws, looking over your handpaws studying. You start to feel a tiny pinch form over your abdomen and stomach glancing down, wide eye to find several sensitive lumps parting from your fur darkening at the tips into something quite familiar. Teats; you now bore animal teats. And at the moment they feel very sensitive to your touch unable to help fondle the tiny breasts playing with the nipples.
You groan before your tongue spills out from your maw once again droning into a pant, but you catch yourself before it goes too far. You like back up and stare into the mirror, astounded that this is what you look like; you are turning into a real dog. Though how much farther is this transformation going to progress, and how exactly do you feel this moment realizing the impossible is occurring? What kind of dog are you becoming? Could there be a way to stop it?