Drawn together by Johnny29[ ] Mike and John were instantly compatible as friends, lovers, and workout buddies, especially since both yearned for superhero-like bodies. Good thing the mysterious offer to help them achieve their dreams came to both of them together. •Huge Cock •Muscle Growth •Muscle/StrengthAdded Sep 20127 parts13,924 words24,008 views5.0 stars (28 votes)
Brother-in-law by Jock[ ] Ace, a Marine, meets and becomes enamored of his sister’s fiancé, Josh. A rare (for Metabods) tale with no alterations. •Huge Cock •Muscle/StrengthAdded May 200612,744 words134,073 views4.7 stars (93 votes)
Double trouble by NBCK99[ ] Caleb is really into how hot identical twins are. His roommate decides to help him out a little. •Incest •Twins •M/MAdded May 20154,088 words11,693 views4.7 stars (29 votes)
A few minor adjustments by Cris Kane[ ] Geeky freshman Ryan is given a camera with special selfie-editing options that Instagram hasn’t thought of yet. As Ryan adjusts to his modified body, he then applies the camera’s effects to his jerk of a roommate, leading to all sorts of complications and an unexpected encounter with his roommate’s bro buddy Shiloh. •Huge Cock •Straight to Gay •Muscle Growth •Muscle/Strength •Size IncreaseAdded Oct 20144 parts19,736 words29,573 views4.7 stars (30 votes)
Threefer by BRK[ ] His lover doesn’t seem to mind, but Quinn decides to try out some pills that are supposed to grow his dick anyway while Diego’s away. The fact that they work is less surprising than the two unexpected side-effects that soon develop. •Always Hard •Cock Growth •Huge Cock •Nipcocks •Hyper Cum •Nipple CumAdded Apr 2019Updated Jan 20214 parts10,753 words13,858 views4.6 stars (31 votes)
The biggest dick by Ziel[ ] "For this month’s Patreon story, someone suggested I try a story about someone whose cock begins growing, but unlike in other stories, the dude’s elation slowly gives way to apprehension as his schlong exceeds the idyllic porn-star cock and slowly grows into a massive, mega-dong." •Cock Growth •Hyper Cock •Muscle/StrengthAdded Dec 20145,550 words36,301 views4.6 stars (40 votes)
Trade by Alakazam1988[ ] Discovering the ability to trade a part of your body for part of another naturally leads to experimentation with inches of cock, and with just how far you can transform someone who really wants it. •Cock Growth •Huge Cock •Hyper CockAdded Feb 20173 parts3,360 words15,210 views5.0 stars (15 votes)
Out of control by Sammas6[ ] Toby and Matt are young men working on an experimental plant-growth formula out of Tony’s garage. It doesn’t work on the plants, but Matt finds another use for it. •Cock Growth •Huge Balls •Huge Cock •Hyper CockAdded May 20215 parts8,975 words7,314 views5.0 stars (14 votes)
A handful of Lukes by NBCK99[ ] It was pretty clear his new roommate Luke was hiding something, but coming home to find Luke embracing ... another Luke? ... was not what he expected. •ReplicationAdded Jun 20163,123 words5,407 views5.0 stars (11 votes)
Biking buddies by Eric Aaldersen[ ] Simon and Adam enjoy racing their bikes through the countryside together, Adam getting extra enjoyment from watching Simon’s ass as he rides ahead of him on the trail. This time, Adam gets to do more than just look. •Huge Cock •Muscle/StrengthAdded Dec 20055 parts8,312 words14,787 views5.0 stars (9 votes)
Harvest by borednhony[ ] In the not so distant future, a fertility crisis has caused extreme actions to be taken by governments worldwide. This is where we find Del, the latest in the line of remaining fertile men entering the extraction facility. It’s a limited contract as far as Del knows, but something untoward seems to be lurking in the workings of the facility. •Cock Growth •Cum Milking •Other Mental Changes •Public NudityAdded Apr 20212,808 words4,206 views5.0 stars (9 votes)
Irresistible by Jefftaur and Mr Arbitrary[ ] Brandon has a thus-far unrequited crush on his friend Ethan. A wish gives him the chance to push things forward, but the results aren't what he expected! •Wristfeet •Djin/Jinn/GenieAdded Feb 20198 parts29,914 words4,468 views5.0 stars (9 votes)
Cumming of age by Bobby[ ] Bobby’s startlingly huge cock had left him inexperienced with sex even at 18, until a side job painting a neighbor’s house led to an unexpected breakthrough. •Huge CockAdded Mar 20164,217 words11,301 views5.0 stars (8 votes)
Under his wing by Richard Jasper[ ] Frank Jones, 40, is a (gay) widower, recently out of the landscaping business and taking on a new career as a personal trainer. He’s delighted with his new neighbors, a divorcee and her 14-year-old son. The relationship that develops among the three of them is not one any of them would have expected! Just FYI: This one has a lot of muscle growth but is (unlike the author’s usual fare) a sad one. •Muscle Growth •Muscle/Strength •Getting TallerAdded Jan 202110 parts9,913 words2,329 views5.0 stars (8 votes)
Alpha Male by Josef Howard[ ] A gay man wakes one morning inside the body of the (formerly) straight star-spangled super-hero AlphaMale. Everything is terrific until AlphaMale’s studly sidekick finds out his body is inhabited by an imposter. •Muscle Growth •Muscle/Strength •SuperheroAdded Jul 20025 parts15,096 words35,829 views5.0 stars (7 votes)
The changing by NBCK99[ ] After an encounter with an ancient book of Irish poetry that sure seems a lot like a spell grimoire, three friends discover they’ve set something in motion that will change everything—for themselves and, before long, for everyone else as well. •Huge Cock •Multilimb •Muscle Growth •Muscle/StrengthAdded Jun 20162 parts5,286 words7,854 views5.0 stars (7 votes)
Shrinking for Sean by Blue Blue[ ] Sean was super excited about the idea of me using the shrinking serum to become smaller than him so we could screw like that—and I was even more into it than he was. •Size DecreaseAdded Jun 20032,694 words21,688 views5.0 stars (7 votes)
A tune up by Dream Big[ ] Jay’s new boyfriend is younger and hunkier than he is, making him feel unworthy. Kim coaxes him into a workout regime and hooks him up with a friend’s experimental workout supplement, and before long Jay is catching up to his boyfriend—a lot faster than he should be. •Always Hard •Cock Growth •Huge Balls •Huge Cock •Self-suck •Muscle Growth •Muscle/StrengthAdded Mar 20194 parts8,646 words10,734 views5.0 stars (7 votes)
An uneven exchange by Mr Arbitrary[ ] Max tries to indulge his foot fetish in secret, but his boyfriend James catches him and makes an unusual exchange. •WristfeetAdded May 20181,545 words3,692 views5.0 stars (7 votes)
Come to me by Richard Jasper[ ] Eric is a hot, young skimpy stud—what nowadays we’d call a twunk. Then he starts hearing a voice in his head. Eat big, lift big, get big! He follows the voice’s advice—with results more spectacular than he could have imagined! •Muscle Growth •Gradual ChangeAdded Apr 202010 parts12,348 words6,569 views5.0 stars (6 votes)
Coupon code: littlest by Ziel[ ] El decides to abuse a coupon code that promises to take “20% off”. He keeps stacking the coupon until there’s nearly nothing left! •Cock ShrinkingAdded May 20207,522 words4,054 views5.0 stars (6 votes)
Go fuck yourself by Atokamematoke An unnamed man makes use of his strange abilities to penetrate himself, while observing the whole act at the same time. •DetachableAdded May 20161,020 words6,646 views5.0 stars (6 votes)
The antique lamp by DimethylCoconut[ ] There are two facts about me that one should know before I tell this story: I had always had fantasies about cloning—I would date myself, and I am also a collector. The story I am going to tell is about how these two things combined and made me who I am today. •ReplicationAdded Mar 20213,023 words1,416 views5.0 stars (5 votes)
Bar wishes by NerdyCorgi There’s a new bar in town, and Eric believes that this will be the place that he’ll get to hook up with someone and, in the long run, form a relationship with. Little did he know that if you wish upon a bar’s private room, even fantasies can come to life. •MergingAdded Aug 20213,174 words1,684 views5.0 stars (5 votes)
Double dream feat by Ziel[ ] Aidan awakes from a surprisingly realistic dream to find things aren't quite how he remembered them. For starters, his dingy dorm room has been replaced with a reasonably sized apartment… an apartment he seems to share with his best friend. But stranger things are in store for Aidan as the morning unfurls. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •ReplicationAdded Jun 20184,723 words7,113 views5.0 stars (5 votes)
The jeans by Jefftaur[ ] Josh gets his hands on a pair of trick jeans and decides they’ll work better on someone half-asleep—like his buddy, Ty, who’d look really hot with extra feet. •Multicock •Four Legs •Multileg •MultilimbAdded Aug 2013579 words7,909 views5.0 stars (5 votes)
Jocktaur pledge by BRK[ ] High school track superstar Tommy finds he isn’t king of the world anymore now that he’s left his small town for the huge, sprawling State U. His hopes of getting into a big frat end up crushed, and his last hope is a house where the brothers keep to themselves and hardly let anyone in at all. •Cock Growth •Huge Cock •Boytaur •Four Legs •Multileg •Multilimb •Incest •Twins •M/M •M/M/MAdded Sep 20204,791 words2,390 views5.0 stars (5 votes)
Stanley’s cup by Ziel[ ] Jason has always wanted to play on the hockey team. It’s been his dream ever since he was a little kid. Unfortunately, his size and stature didn’t lend themselves to athletic endeavors. It seems he’s destined to live out his days helping the team from the sideline… not that that isn’t without its own perks. •Cock Growth •Huge Balls •Huge Cock •Hyper Cock •Muscle Growth •Size IncreaseAdded Oct 20205,959 words5,879 views5.0 stars (5 votes)
Toy story by LenZelig[ ] During a storm Bob stumbles across a strange webpage offering something called “The Ultimate Sex Machine”. Intrigued, he clicks “order”, expecting maybe a sophisticated sex toy. Instead he gets Randy, a hunk-shaped machine dedicated to ensuring that Bob experiences ultimate sexual possibilities from now on and willing to reshape reality to make it happen. •Muscle Growth •Muscle/Strength •Age Difference •Incest •Father/Son •Twins •Androids •Space TravelAdded Jul 20022 parts6,947 words25,641 views5.0 stars (21 votes)
Repair and alteration by Keyed[ ] Ricky wants to get bigger, but working out and eating right haven’t done the trick. That why he’s standing outside a door in the side of a dingy warehouse marked with a number and the words “Genetic Repair and Alteration.” •Cock Growth •Huge Cock •Muscle Growth •Muscle/StrengthAdded Sep 20182,478 words8,349 views4.9 stars (16 votes)
The little spoon by Ziel[ ] "September’s Patreon topic was shrinking. I really need to work with some shrinking stuff more often. I love playing around with different sizes, and if I had spent time at each size this would have turned into a novel instead of a short story." •Size DecreaseAdded Nov 20145,605 words13,648 views4.9 stars (14 votes)
Hothorne Academy by Also Known As[ ] Toby is selected for a full scholarship to a prestigious prep school he’s never heard of, and from the moment he arrives he’s stunned by how amazing the place is, how hot the guys are, and the fact that he’s more turned on, moment by moment, than he’s ever been before. •Huge Cock •Muscle/Strength •M/MAdded Sep 2018Updated Feb 20193 parts20,022 words8,601 views4.9 stars (13 votes)
Spare by Double-U[ ] Dan, a muscular football jock, attempts to recruit his friend, Tom, for a football tournament after his team ends up short a man. When Tom declines, pleading a lack of skill and stamina, Dan offers Tom something that he ultimately can’t refuse. •Muscle Growth •Muscle/Strength •Body SuitAdded Sep 20174,474 words11,883 views4.9 stars (13 votes)
Santa’s big surprise by Silverfox Dad[ ] Jeremy has not only been obsessed with Santa, he's seen him and knows he's real. So when a friend at the gym gives him a muscle-growth supplement meant to give him confidence enough to talk to his beautiful bodybuilder crush Marco, Jeremy decides instead to give Santa a gift of his own. •Muscle Growth •Muscle/Strength •Size Increase •Infectious •Christmas •Series •M/MAdded Jan 20173 parts7,594 words15,197 views4.9 stars (11 votes)
Self-improvement by BRK[ ] Cam needs to get the cute guy he’s dosed with a little bit of experimental physio-changing serum to say what he wants in order for the transformations to start. He’s planning to keep things small and subtle, only Aiden isn’t as bashful as he appears, and he’s also just a tiny bit drunk. •Cock Growth •Huge Cock •Replication •Muscle Growth •AliensAdded Sep 20184,175 words9,677 views4.9 stars (11 votes)