Growing pleasures

by Beastly Muscle

Eddie brings home a new sex-enhancing product, not knowing what kind of fun is in store for him and his boyfriend David.

Hello! My name is Edward, but everyone usually calls me Eddie. I’m in my late 20s and I’m your average white-collar guy. I’m 6’0” and about 230 pounds, a little overweight but who doesn’t love a little fluff? My boyfriend, David, and I live together in an apartment outside of town. David is a little shorter than me standing at 5’6” and weighs in at around 200 pounds with a kind of stocky, mostly average build. We’ve been together for a few years now and have fallen into a routine of working and spending time together when our schedules align.

On my way home from work today in the city, I notice that a new adult store has popped up on my usual commute home. I decide to check it out since it would be nice to spice up the sex life between David and me. I pull into a parking spot and walk into the building. It’s your typical adult store with different toys, outfits, and porn DVDs on the walls and shelves. The store is empty except for me and the one employee at the front counter. I really don’t know what I’m looking for, so I go to the front counter and start speaking with the guy behind it.

“Hey man, I haven’t really been in a sex store in a long time, and I just wanted to see if you had any popular items that would be fun for a gay couple,” I say.

Looking up from his phone with a smile, he responds, “Well, welcome in! I just opened this store a few days ago, so I don’t have much stock just yet. Let me see if I can find something two guys can enjoy at the same time.” He disappears into the back room for a few minutes before returning to the counter.

On the counter, he sets what looks like to be a bottle of cough syrup with no labeling or branding on it. He says, “I don’t remember where this came from, but I think it’s supposed to help with stimulation and make everything feel more intense. It’s definitely meant for bottoming. Kind of like a drinkable popper.”

I think that sounds pretty good and like something David would enjoy, plus it gives me the excuse to top this time. I buy the bottle and go back in my car to head home. I pull into the apartment complex about ten minutes later, excited to give this a shot. It’s been a few days since we’ve had sex and I’m feeling pent up, and I know he is too. I unlock the door and walk in with the bottle in my hand and David is sitting on the couch in his boxers and tee shirt.

“Hey babe, I’m home.”

“Hey baby, how was your day? Have fun at work?” he replies.

“Oh, you know. The usual day at the office. I made a special stop today on my way home.”

“Oh really? What’d you do?” he says. He walks up behind me as I am undressing. I feel his cock harden as he pushes his hips into me from behind and wraps his arms around my waist. He kisses my neck, and I push my ass into his cock, teasing him slightly.

“I stopped by this adult store and picked up this bottle of stuff. It’s supposed to make bottoming feel 10x better and I was hoping you’d be my guinea pig tonight,” I say with a slight smirk. I practically feel his eyes roll into the back of his head, but he reaches around and gives my dick a quick squeeze before jumping onto the bed. I take the rest of my clothes off and he gets in position—he knows I enjoy missionary the most when I top. His feet dangle off the end of the bed and his rock-hard cock points up and to the left while he waits for me.

I grab the lube out of the drawer and set the bottle down. I take off the plastic seal and unscrew the cap, I fill the little measuring cup it came with to the top line because I wanted to see how well it actually works.

“Here you go baby, drink up.”

He takes the small cup and drinks it like a shot while I lather my dick up with some lube. I lift his legs up onto my shoulders and put some more lube on his hole and gently slide a finger in to help. He lets out a small whimper as my finger enters and a shudder from the cold lube on his hole. He coughs and gags a bit, guess the mystery liquid doesn’t taste the greatest, but he regains his composure.

We make eye contact, and I ask him, “You ready?” And he nods his head. I look him in the eyes as I make contact and gently slide my dick in. He moans as it goes in and lets out a gasp. I don’t think I’m that big, sitting at 6” hard and probably as thick as a toilet paper tube, but it’s enough for David to squirm a bit and tell me, “Wow—I forgot how big you are!” It’s nice when someone tells you that you have a nice tool to hammer with.

I start with a steady rhythm going in and out, just thrusting my hips so that it feels good for the both of us. David is moaning but he’s louder than usual today, I guess that cough syrup-looking stuff really works! But then I notice something—has his chest always looked that defined? I mean, we work out sometimes but not enough to have definition. I think my mind’s playing tricks on me, but I notice small changes everywhere. The layer of fat he has is taking on a more solid muscular form. When I fuck him, his belly and chest jiggles normally, and this time it’s still jiggling but not in the same way. It’s more uniform and solid now, instead of like Jello. His arms, legs, chest, abdomen, shoulders, and neck are all becoming more defined—and they’re growing!

His belly starts to melt away as small abs start to appear and harden on the surface. His once flat chest begins to protrude from the surface and form into small pecs. His arms begin to develop noticeable biceps. His delts expand and create and broader frame as his lats begin pushing out against his arms. His traps start inching up towards his head and shoulders. I really cannot believe my eyes, but I keep fucking him as I am so turned on. David has his eyes closed but is moaning louder and louder, obviously enjoying the feeling but totally oblivious to what’s going on.

I feel his calves harden into rocks and dig into my shoulders. I look down to see that his quads are exploding with muscle and getting bigger by the second. I feel something pushing against my pelvis, when I look down, I see that his glutes have started to grow and are pushing against me now. I feel the increasing weight of his giant legs, but I do my best to support them as I am definitely enjoying this as much as he is.

He reaches down and grabs his cock. I don’t even think he realized he did that. I’m watching as what used to be a 5” dick grows longer and thicker with each stroke he takes. I look back up at his upper body and realized he has exploded with mass in the last few minutes. What used to be a normal-looking guy now looks like a bodybuilder on a permabulk!

His legs continue to grow bigger and his glutes along with them. His new bubble butt started pushing my dick out of his hole and I slid my dick in between his massive cheeks to feel the hardness of them. At this point, his legs have become too heavy for me and I have to drop them before they crush me with their weight. David opens his eyes, confused as to why I stopped, but then sits up, grabs me by my waist, and throws me onto the bed. He stands up and looks down at his body in awe, puzzled but very turned on.

He looks at me and slowly starts to smirk. He knows I love big muscle men, but he knows I love being dominated by big powerful men even more. He looks at me and bounced his now-massive pecs, just huge slabs of beef resting on a well-built chest with nipples pointing almost down.

“What do think, Eddie, do you think you’ll like having a big bodybuilder boyfriend?” he asks as he popped his pecs one by one.

I nod my head eagerly, unable to form any words with how turned on and awestruck I was. He pulls his enormous arms into a stunning double bicep pose and I nearly shoot my load right then and there. His biceps have to be at least 20” around!

“Well then, come be a good boy and worship your new muscle god,” he says, still flexing. I try to stand but my knees are weak being in the presence of someone oozing such sex appeal. I try to stand again and I’m more successful this time, but as I straighten myself up, I notice David is still standing at about half a foot shorter than me! He’s nearing 300 pounds of muscle without a doubt but is still 5’6”, now incredibly wide and compact!

I take a step towards him and reach out my hand to grab his cannonball-sized arms, when, all of a sudden, he grabs the back of my head and forces me into his right arm.

“I say worship me, little man!” he says as he drives my face right into his armpit and holds me there for a few seconds. I take in his new musk and go into sexual overdrive, I can’t handle how hot this is and I shoot my load all over his rock-hard gut.

He chuckles and says, “I appreciate your tribute, but I need more than that from you.” He takes his fingers and wipes my cum from his stomach. He then places his cum ridden fingers in his mouth and licks them clean, looking at me like a predator that just got its first taste of blood. I know he has bigger plans for me, but I can’t help being so turned on as much as I am scared.

He takes my head and places my head on his right pec. Without a word being spoken I take his nipple in my mouth and begin working on it. I bring my hand to his left pec and start rubbing his nipple in between my fingers and tugging on it. David moans with pleasure and I feel his massive cock leaking pre-cum on my chest and stomach. I reach around his incredibly thick body to get a feel of his massive bubble butt. I can’t even palm one of his cheeks in my hand as it’s bigger than a basketball and incredibly dense with muscle. I try to slide my fingers in between his huge mounds, but it proves to be near impossible from the angle I’m at, so I just squeeze him between my body and arm to get as much of him as possible.

David suddenly picks me up and places me lying down on my back on the bed. He grins and says, “I think it’s time for you to see what it’s like to be fucked by a real man.” He takes each of my legs and puts them on his shoulder.

I mentally prepare myself for the best fucking of my life, but I see David reach over and grab something off the nightstand. I didn’t catch it until it was too late, it was the bottle of mystery liquid! Unable to protest his decision, my eyes wide as he chugs the entire bottle of liquid.

He flexes his arms again and says, “And this time I get to grow inside of you!” With this announcement, he takes his colossal dick and shoves it inside my hole. It hurts at first, but my body gets used to it, he’s holding onto my legs as they rest on his enormous traps. I’m furiously stroking my dick while being fucked by this muscle beast, but after a minute or two, I begin to witness his transformation into a behemoth.

With each thrust, all of his muscles swell with size becoming bigger and more powerful. His pecs ballooning outwards casting a shadow on his rounded roid gut and his nipples starting to point straight down. His lats and delts expand far out to accommodate his new size, giving him a frame wider than he is tall. His arms explode with size, his biceps becoming as large as beachballs and forearms as thick as my thighs. His arms are so massive now that they are permanently bent at a 45-degree angle and fit perfectly against his huge lats. His traps beginning to grow, too, creating a neck as large as a bull’s, my ankles barely reaching the top of them.

I can see his quads rapidly gaining size as they grow wider and wider with massive heads of muscle snaking along the outside of them. I feel his thrusts getting more powerful as his quads and glutes grow, becoming increasingly stronger as he increases in size. I feel his dick growing inside of my ass, it’s getting tighter and tighter! Scared of him ripping me apart, I beg him to pull out as it is starting to hurt. He pulls his monster cock out and lays it onto my torso where it grows from my belly button to the top of my neck in just a few moments.

He looks at me and says one word: “Suck.”

I take as much of his head into my mouth and get to work pleasuring my muscle god. I use my tongue to lick around his tip and into his foreskin, I look up to see his face in pure ecstasy. I hear him moan and his breathing becomes heavy, I know he’s close to blowing his load.

“I- I think I’m going t-to cum!” he says in his deep baritone. And all of a sudden, he roars in pure pleasure and an eruption of cum floods into my mouth. He hits another double bicep pose and continues to cum as I try to handle all of his load, I’m finally able to get his dick out of my mouth and aim it out of the way. I stare in awe at the absolute muscle behemoth in front of me as he empties his gargantuan balls because of what I did to and for him.

He finishes cumming and gets onto the bed with me. The bed creaks under his incredible weight and he takes up the entirety of the king-sized bed when he lays on his back. He picks me up with one hand and puts me on his chest. I look at him in the eyes and lean in to give him a kiss, he grabs me and pulls me in for a quick tongue fucking.

“I love you, Eddie. Thank you for this amazing new body!”

“I love you too, David, and I cannot wait to explore every part of my muscle-behemoth boyfriend.”

I turn off all the lights and lay my head in between his pecs, they’re much comfier than our pillows, and put his dick in between my legs as I lay on my side. We drift off to sleep and I dream of him all night.

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