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/Cyborgs •Space Travel •M/M •M/M/M/... •M/t •t/tAdded Jul 20022 parts6,947 words27,764 views5.0 stars (25 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 words136,402 views4.7 stars (94 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 words12,665 views4.7 stars (30 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 words30,797 views4.7 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/Strength •MAdded Dec 20145,550 words38,696 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 Cock •M/MAdded Feb 20173 parts3,360 words17,022 views5.0 stars (15 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 words5,908 views5.0 stars (12 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 words15,448 views5.0 stars (10 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 words12,664 views5.0 stars (10 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 words5,556 views5.0 stars (9 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 words11,972 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 words2,887 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 •Superhero/SupervillainAdded Jul 20025 parts15,096 words37,234 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 words8,626 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 words7,699 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 words23,248 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 words4,322 views5.0 stars (7 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 words2,291 views5.0 stars (6 votes)
Bar wishes by ThePlagueDoc[ ] 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. •Cockfucking •Huge Cock •Nonconsensual change •MergingAdded Aug 20213,174 words2,740 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 words5,515 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 words7,653 views5.0 stars (6 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 words8,361 views5.0 stars (6 votes)