"The Fastest" - XLR8 Transformation Story (Patreon)

After so many years of getting used to omnitrix Ben was able to uncover many of its secrets. He was able to transform into the aliens for longer amounts of time. He was able to transform into way more aliens than initially.

After all he had the omnitrix for more than 10 years already. And yet despite having it for so long, he almost never had time to have some fun on his own. Of course from time to time he fooled around in his alien forms, but those kind of activities felt immature now that Ben was 20.

Only nowadays Ben started wondering more thoroughly about his aliens anatomy. During those last years he was so many different aliens that he didn't even have time to appreciate them individually. Especially as he was too busy saving the world.

Nonetheless his long years of fighting evil finally resulted in a more peaceful world. He had more time for himself and so he started examining his aliens more thoroughly.

One particular evening, when he knew he wouldn't be bothered by other matter he decided to try an entirely new experiment of his. He wanted to dig into more discrete sides of his alien forms.

For this he decided to use his omnitrix knowledge and first of all undergo a slower transformation into one of the aliens. He decided to transform into one of his ten original aliens - into XLR8.

He tweaked with the device, before he proceeded to choose the alien he decided to try out tonight. He realised it would probably feel like his first change, because it would be different than his quick shifts during fights.

He pressed the device and immediately changes clutched his entire body. He felt his entire anatomy throb and contract as it usually did, but he didn't expect the sensations to be so intensive. Slowing the transformation made it more prominent when it came to feelings.

Ben felt his athletic frame slim out, his torso and limbs slimmed out. The muscles in them compressed into sleeker, but more efficient forms. His body slowly thinned out significantly as he tried to keep his balance.

He endured too many difficult and unpleasant moments in his life to give up into the pain and scream out, but he still gritted his teeth as his entire skeleton malformed into a completely alien shape.

His skin itched as it smoothened out, while hardening and changing colours. His sides and legs became black mostly, front of his torso gained white colour while most of the rest body became distinct blue in colour.

Except for his head which changed along with the rest of his body altogether as it became mostly black. His hair disappeared off his scalp as his skull started shifting drastically. He closed his eyes as the back of his head started pushing out and becoming pointy.

He felt as if his head was getting enveloped by a symbiotic helmet of an unique shape. That black, hard helmet started covering his face entirely with a mask. The mask had formed blue visors on it.

Underneath the mask Ben's face became less human. It changed colour to blue. With black stripe marks across his face going around his eyes and vertically. Ben's nose shrunk down into nothing leaving a smooth face - his respiratory system would work more complexly. Lastly his eyes changed shape and colour to green, providing him with a way sharper sight.

In the meantime Ben's arms shifted to accommodate his unearthing alien form. Sharp protrusions grew out of his blue elbows. Most drastic changes happened to his hands.

He felt some of his fingers merge together. What was left quickly took form of three spiky, resilient and sharp digits.

At the same time his legs cracked as they grew better suited for higher speeds. They were reinforced with additional muscles as they changed form to become more compact.

His feet creaked as they lengthened considerably to better fit his alien legs. The balls of his feet started reabsorbing his toes and quite literally forming balls at the ends of his feet.

Ben felt a familiar tugging in his tailbone, although as it was with the other changes, this time it felt more intense as it was slower. He felt his spine push out the flesh and grow additional vertebrae. It extended out into a striped tail which lengthened with each second. Finally it finished as it became practically as long as he was high.

Ben only managed to glance down at the last unchanged area. He knew it was about to as he have set up omnitrix to change his groin last.

He felt his human cock slowly rise up. He felt a surprising amount of pleasure making him stumble back. His dick became fully erect as it was preparing for the changes.

Surprisingly Ben felt a suction in his ballsack. His balls were hauled inwards until the plopped inside him. He still felt them churning inside and making him leak precum and expelling his human seed at a slow pace.

Ben gasped in sudden bliss as he felt his cock loose its human shape. Its glans flattened out and smoothened out as it became sharper. Most notably his cock changed colour to gradient of blue and bluish-purple.

His slim rod pulsed in pleasure and leaked, until Ben felt a strange sensation at the base of his cock. He felt a nauseating suction around his cock as a slit formed around it.

The tight hole felt like a cock-ring and made Ben whimper in ecstasy. He brought his supple arm and caressed his cock with it. The smooth skin and awkwardly thrilling arm movement made his cock twitch in pleasure.

He exclaimed as he felt his cock pulsate in bliss and start to spurt out the remaining human cum, making more place for his virile alien seed in his inner balls. He thrusted his hips in hyper-motion spilling his seed all over the hall and panting while at it.

He slowly came to his senses and just as his mask of lust was lowered, so was his face mask. He realised what a mess he made. He enjoyed the sensations of masturbating in the alien form. He completed his first experiment, but the options were limitless...