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Part 4

Here's the fourth part of the story. This time you'll find out what happens to Al. Hint: There's a lot of muscle growth and a dash of macro. I hope you enjoy! Keep leaving me comments, I love hearing what you think! Also, the ending seems kind of final, but don't worry, I have more planned.

1 2 | 3 | 4

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When I return to the living room I see that Al is still diligently cleaning up the mess from the party. I halfheartedly begin picking things up as well. I slowly begin moving closer towards Al, one piece of trash at a time. My grabby tendencies are beginning to flare up from all the drinks I've had but luckily, my plan involves a lot of touching.
Al is kneeling down wiping up a stain when I finally reach him. I lean down and pretend that I'm wiping away some dust off of his shoulders. Al stiffens up slightly but doesn't seem to notice that this is a thinly veiled excuse for me to touch him.

"Al, you're so stiff. Your muscles are all bunched up. Let me give you a little massage to relieve some tension." I don't wait for his response.

I dig my thumbs into his traps and I hear Al exhale sharply. I pause for a second to see how Al reacts, but after a few seconds of him sitting still, I continued. I slowly massage Al's muscles, working from his traps to his shoulders.

"You're pretty built you know?" I whisper to Al.

"I'm nothing special. Maybe a bit above average, but that's it." Al says back.

"I'm serious. I can basically feel you growing bigger." I replied, grinning. Al kept silent, not realizing that I was being more truthful than flirtatious.

I glanced down at Al and watched as his semi-loose shirt slowly began to fill out. I moved from his shoulders to his back and began kneading his muscles with the palms of my hands. Al seems to be oblivious as his muscles continue to grow.

"You're back is so wide. I'm surprised you can fit into a shirt this small with lats this big." Al's back widens faster as I verbally admire him. The rest of his muscles grow slower, but at a steady fixed rate. How long will it be until he starts to notice?

Once I'm done with his back I start shifting my hands down further towards his lower half. As my hand caresses Al's growing bubble butt, he suddenly stands up and faces me. The growth stops as soon as I stop touching him.

"Wait!" Al has a conflicted look on his face. Did I take things too far? Am I going too fast for him? "Could you..." He pauses before staring me in the eyes. "Could you massage me from the front first?"

I laugh, the sudden stress instantly releasing from me. I guess Al's enjoying this more than I expected.

"Of course. Do you want to do this standing or on your back?" I ask.

"Standing is fine." Al replies.

I stand up straight and admire Al's new mass before I start on his chest. His shirt is getting a tad tight for him. I take a step closer to him and place my hands on his pecs. Al begins to slowly grow once more.

"You're pecs are huge! I don't think 'a bit above average' even comes close." I say. I can feel his chest slowly pushing against my hands as he grows bigger.

Al looks down to where I'm massaging him. "I guess they do look a bit bigger today." I can hear the confidence growing within him.

As I begin working my way to his biceps, I hear Al grunt in discomfort. Al's shirt now looks like it's several sizes too small for him. The fabric stretches tightly across his chest and is riding up his stomach to just below his bellybutton, revealing a trail of hair leading to his crotch.

"My shirt feels really tight for some reason. I swear I just bought it. Damn cheap materials shrinking in the wash." Somehow, Al still hasn't noticed his growth. I had added probably over 40 pounds of muscle and I wasn't even halfway done yet.

I grip each of Al's biceps with my hands and tell him to flex them. He complies and I feel the hard muscle forming as he performs a double bicep flex. His biceps stretch the sleeves of his shirt to it's limits. Veins begin to pop up from his now paper thin skin.

"Holy shit. You're biceps barely fit into your shirt. If you were any bigger they'd-"

Just then, with an audible ripping sound, the seams of Al's shirt began to tear. Al froze for a second before he began smiling.

"Woah, that's a first. I guess I really am getting big." Al said, his voice a bit deeper than it was a minute ago. He's also grown several days worth of stubble in the past few minutes making his already grown goatee look even thicker. He finally looked down at himself and gasped.

"What the hell? I'm huge!" He looks at me with a confused face. Even though he's confused, I can tell from the growing bulge in his pants that he's excited by his new body.
"Took you long enough to notice! You'll be more than huge once I'm done with you." I say laying my hands on him once more.

As Al struggles to comprehend what's happening to him, he begins to moan. The muscle growth has begun to act as a catalyst for pleasure. Al flexes his biceps and chest harder than before and shreds the remains of his shirt. The material flutters to the ground, leaving Al bare chested.

Al's exposed chest is a sight to behold. His chest, now as vascular as a pro bodybuilder's, is littered with bulging veins. His abs look as if they were carved from cobblestone, with six thick and perfectly symmetrical muscles.

I can't help but stare at my creation. Al even seems to be a few inches taller.

I work on his legs next. Al shimmies his pants off first, only leaving him in a pair of short black boxer-briefs. Without his pants, his bulge freely points forward. From the bulge, I can tell that Al is well endowed, easily 8 inches or more. A small wet spot has formed at the tip of his dick.

Each of his legs has already become thicker than both of my legs combined, but I continue to grow him. When he flexes his tree trunk legs, the striation of each individual muscle can be made out. I caress his giant thighs and begin working my way behind him to his ass once more.

"Fuck yeah! Make me bigger! Grow me more!" Al growled at me. He's taking this a lot better than I was expecting.

I begin groping his meaty ass, watching as his boxer-briefs begin to strain from the mass within it.

Once I finally finish working on his legs, Al bellows a deep guttural groan.

"I can't take it anymore! I need release!" Al faces me again and with a single hand rips off what now looks like a painted on pair of underwear. His cock, now free from any and all confines, points upwards at an angle. Every few seconds it twitches, releasing a copious amount of precum. A thick bush of hair covers the base of his cock.

I look up at Al. He's now over 350 pounds of muscle and stands nearly a foot taller than me at 6'10". His beard has fully developed and is an inch in length.

Al grabs hold of his cock and looks at me expectingly. I lick my lips in anticipation and lower my head towards his throbbing cock.

"No! I want more than that." Al stops me before I can reach him.

"You don't mean-"

"I do. Now strip for me!" Al says. It doesn't sound like it's up for discussion. Luckily, big guys turn me on. As I'm undressing, I can feel the lust in Al's eyes as he watches. Once I'm completely naked, Al lifts me up and tosses me over his shoulder with ease. He carries me to his bedroom and drops me on his bed.

"Get on your stomach." Al orders me.

"Wait, what about condoms?" I ask.

"Ugh fuck! Fine, I'll grab one." Al says. He walks over to his bedside counter and grabs a box of magnum sized condoms. He rips open one of the packages and slides it over his cock. "Are you happy now?"

I answer by flipping over and raising my ass. I'm not usually a bottom, but I think I'll let this be an exception. Al climbs onto the bed behind me and positions his cock with my hole. Without any more delays, Al thrusts his cock into my ass.

I yell out in pain and pleasure. His cock is thicker than I was ready for. Al pushes deep into me, eventually ramming his cock head into my prostate, sending a wave of euphoria over me. My cock instantly gets rock hard and sprays a small amount of cum.

I turn my head to look at Al as he fucks me. He's barely paying attention to me. Instead, he seems to be getting off on his own muscles. With each thrust, Al flexes another muscle.

"God dammit Al, you're so big! You're muscles are making me so hard. And your cock- your cock is filling me up so much." Shit, I shouldn't have said that out loud.

Al suddenly stops flexing and begins grunting. His muscles begin tensing all together. I can feel his cock pulsing inside me. Al lets out a scream and he starts to grow even more. In a single growth spurt, he gains 50 pounds of muscle.

At the same time, I feel his cock begin to grow. Even though Al has already taken a few inches of his cock out of me I can feel my prostate being pushed up against once more. He must have grown at least 4 inches.

Al screams one last time as I feel his balls retracting just before he blows his load. Watching and hearing him grow sends me off the edge and I cum without touching myself once.

After he calms down, Al slowly removes his cock from my ass, careful not to make me prolapse with his newly gigantic cock. Once he's out of me, I feel somewhat hollowed by the lack of pressure within me. I watch Al remove his condom. It only fits halfway over his now 12 inch cock and is filled with his seed.

"I can't let all this protein go to waste now can I?" Al says as he puts the edge of the condom to his lips and begins drinking his own cum.

Looking at Al now, he was barely recognizable from just an hour ago. Before he was 5'7" and maybe just over 200 pounds, now he was over 7' tall and easily broke 400 pounds, not to mention his gargantuan cock. With just a few words in his journal, I helped transform Al into a massive muscle beast.

"Is this real?" Al asked me after finishing his cum filled drink.

"Very." I answer.

"Then I'll let it be at that. I don't care how it happened, I just care that it did." He said matter-of-factly. His confidence seems to be another thing that has gotten a boost as well. Al looked at his closet and realized he'd never fit into any of his clothes.

"Well, shit. How am I going to go out in public now?".

I laugh, and tell him that I'd help him out.

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It's been a few week since Al's transformation. After the initial growth, I went out the next day to order some custom sized clothing for him. We kept in contact by text but we haven't really seen each other much since. Al told me that when he's asked about his sudden growth, he just says he was a late bloomer.

Every now and then I see Al looking intimidating as hell at the front of the club I first met him at. He's become the biggest bouncer in town. For now we keep our distance, but maybe I'll help him grow again one day.
 

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Part 5 is going to either be late this week or postponed until next week. I've got a few other side things I'm working on as well that take precedent. Sorry about any inconveniences! Feel free to re-read the previous parts and give feedback. I'm always learning.

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