I had found the one I wanted.
He was beautiful.
When I was done, he would be a god.
Part of me was afraid of what could happen. The other couldn’t wait to start.
His name was Kyle, 6 ft, well built. From what I saw while I stalked him he went to the gym regularly. Most of the time he went to work out for a couple of hours. The rest to meet up with other guys and have fun in the showers. When I caught him he was just wearing a jockstrap, in the middle of clothing after one of those fun sessions. It was important I caught after he had cum recently before administering the serum.
Just the thought of what I was on the verge of doing kept me hard all day at work. I ditched my underwear after about an hour just because it kept getting in the way of seeing the outline of my cock through my jeans.
My shift finally ended and I hopped on the bus back home where my unwilling subject was waiting to become a work of art. My basement was going to be turned into a rec room or something by the previous owners. They got as far as tearing down walls to make one large room, and no further. It made it easy to turn that space into a lab of sorts.
It was a passion of mine to try to mix science with the occult. By all the books I’ve read, what I had created would create a pinnacle for male sexual energy. A vessel that produced cum that could turn anyone that took of it into the ultimate man. And Kyle was a perfect vessel for that.
He was still tied up on the bed I brought down here for this purpose. Arms and legs tied up letting me get a good view of his muscles and sizeable cock. And his mouth gagged to keep his protests to an audible minimum.
By all my research one I injected him all I need to do was keep him from cumming for 5 hours to make sure it worked its way thoroughly through his body, while also keeping him hard. This was going to be fun.
Kyle had given up fighting before I left for work. By all I could tell, he was asleep. I had one shot to inject his cock. I crept up on him slowly and gently moved his junk so I see the prominent veins lining his cock. I quickly took my shot and injected it.
Kyle quickly woke up jerking against the chains and trying to yell against his gag.
“It’s okay, Kyle. Soon your ascension to godhood will begin.”
Before I finish my sentence his groans of protest turn into moans of pleasure. His cock starts to get hard as the serum gets to work. I get closer and run my fingers over the head of his inflating cock. Running my tongue in and out of his slit, watching him writhe in ecstasy.
Pretty soon I can insert my tongue fully into his slit as his cock gets so thick I can barely wrap my hand around it. As I make out with his manhood it creeps slowly past his knees. Soon his pre starts to flow, thick and creamy. I force myself to break away for a moment to survey what has happened so far.
His cock reaches down to his shins and is thicker than his muscled leg. But somehow his balls haven’t grown more than the size of grapefruit. The rest of his body remains the same mostly. Maybe his muscles have become more defines and he might be slightly taller but I won’t know for certain until he stops squirming in pleasure.
So far two hours have passed, I’ve got three more to go. But even doing nothing to stimulate him he’s still going strong and I fear he’s about to cum too soon. I try to think fast and I grab for my taser I brought down just in case this happened. It’s down to the lowest setting. I just hope it’s enough to end his throws of orgasm.
I shock his nutsack to hopefully maximize his discomfort. But that’s where I fucked up.
I’m not sure why it happened but somehow it supercharged Kyle’s growth. His cock bucked and knocked me back in the wall to the right of the bed. Soon his cock was thicker than his sizable chest and past the end of bed, swooping slowly to the floor with the weight. His balls were still swelling slowly but collectively they were the size of a giant watermelon. If this kept up it would soon fill up the whole room.
As much as I hate to see a plan fall apart like this, I wanted to be able to live to enjoy what I’ve set in motion. I had to make him cum, and fast.
I put all my effort back to the head, trying to ignore that it was bigger than my head. I pull out a vibrator from a drawer nearby to massage the sweet spot where his glans meets his shaft while I lick up and down his gaping slit.
I get so turned on I get a wild idea and drop my pants. While my one hand is still working underneath, I start fucking his slit. I try to focus on what I’m doing and why I’m doing it, but I feel my cock starting to swell too. Not as fast as his, but soon the gaping slit is filled with my cock.
Kyle’s moans quickly change to a guttural scream as I feel a strong pressure knock my ass on the ground. And soon I’m cumming too, though it’s nothing compared to what Kyle is outputting. But thankfully my plan worked and Kyle stopped growing, though his cock reached almost 10 feet in front of him. His balls looked like they were replaced with bean bags. And he was no longer strapped to the bed, the restraints had broke with his growing body. I was surprised it held his weight.
My own cock had swelled to 11 inches and was as wide as my arm.
Otherwise I was unchanged, but I was feeling very tired and I passed out.
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