Aaron clenched his teeth, frowning and shaking his head. He covered his ears in a vain attempt to muffle that horrible noise that had been following him for the last five minutes. It was loud, way too high, and so utterly annoying he was fighting the temptation to punch a wall. He couldn’t for the love of god find its source, and each passing minute was eroding his patience and getting on his nerves.
He just wanted to make it stop, for fuck sake that wasn’t too much to ask ? Why wasn’t it-

A wave of heat slammed through in his body. The ringing faded.
Oh fuck.
Tremors agitated his hands, signalling his transformation was imminent and seconds later, his nails started to twist and lengthen into his all-too familiar claws. while the tingling in his ears indicated they were already pulling into points.
He looked at his hand with wide eyes. Why the fuck was it happening now ? He wasn’t horny, there wasn’t any full moon, he wasn’t particularly angry…well not enough to trigger the change, what the hell was going on ? He tried to recall anything special that might have happened, even a certain food he would have eaten, but he was distracted by the briefs cramps erupting all over his body and the alien sensation he could never get used to of his muscles acting from their own will, lightly shaking his limbs and trembling under this skin.
His frame began to grow, stretching his clothes and even tearing them on their weak point. Too late to strip now.

He whined as his naked toes twitched and creaked, and their new claws scratched the floor beneath, leaving deep imprints in the wood. The « curse » then pulled at his feet, enveloping them in heat and the weird feeling of being massaged and reshaped like clay, slowly lengthening them into an inhuman form.
There was no going back from an ongoing change, he knew that. So he just tried to accompany the flow, to encourage the transformation to spread further in his body and change his into this wild beast he was becoming more and more often. In all fairness, he was starting to like it.
His bones snapped and popped to make him taller, his ligaments stretching or pulling, reshaping his stance to lay his weight on the beast-like toes that were inflating. Tickles bloomed everywhere, shortly followed by brown fur emerging from his pores, growing and spreading like an accelerated weed.

He groaned as his face pushed forward with creaks and snaps, his shiny fangs elongating past his lips while time the first mental shifts took place.The surge of power. The rise of instincts. The need to run, to howl, to hunt, to freed his urges and let them drive him, make him act like the creature he was hiding deep inside.
His muscles hardened, swelled in a lean and powerful frame, built to chase and catch his preys without leaving them a hint of a chance. His heart was pounding with excitement. God this felt good. Above his toned ass, the end of his spine popped and lengthened, stretching his flesh and almost immediately growing hairs, forming a fluffy and magnificent tail. His clothes were in tatters, displaying his sweating naked skin getting covered with a dense coat of fur, and his muscles shifting his twinky look to the build of a beast.

With a growl of anticipation, he welcomed the new impulses, the taste for freshly killed meat, the need for running, the urge to defend his territory and to expand his pack. He slowly stood up on his massive paws as the last part of his transformation came to an end. His claws clicked against the ground. A deep snarl arose from his throat, and shifted to a loud and threatening howl, a howl that was neither wolf or human, but more than both. A werewolf’s.

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A beautiful sequence made by  allthewrongpieces