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Size Growth

Stories that feature guys that get bigger—generally involving an increase in height and muscle mass.

Other tags that also fall under the category “Size/Size Difference”: Getting Taller, Giants, Plausible Size Difference, Shrinking.

Stories found: 314.

Something missing? We’re always looking to improve the way our stories are tagged. If you know of a story that should be added to this page, please go to the story page and use the tag suggestion feature—the link is directly under the list of tags.

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Complete story list for Size Growth:

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  • 1313 Raven Lane (revised) by WordShop(4 parts)CGrow Hair Hallow Cock Musc MGrow Nonc Grow  Two young guys find themselves in trouble on Halloween night after a party. They hide in an old house with the reputation of being haunted. We don't believe in haunted houses, now do we?  Added Sep 2017  •  11.1K words(5)
    10,307 views
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  • The accidental wizard by nolanspice(2 parts)Musc MGrow PSD Rep Grow Tf    Added Jan 2006  •  2.9K words(2)
    10,713 views
  • Adam’s first growth spurt by MDS  Bro Giant Cock Musc MGrow Grow  Adam comes home from a day of being bullied at school to find he definitely won't have to worry about anything like that after today.  Added Nov 2016  •  2.4K words(9)
    16,491 views
  • Adam’s milk by Adam Zander(2 parts)CGrow HyCock MusBr NipCum Grow  Adam’s dreams of growing massive pec-tits like the wrestlers he admires come true—in spades.  Added May 2015  •  2.6K words(16)
    26,056 views
  • Afternoon swim by Viva Wales  CGrow FootGr Taller Cock HyCock Grow    Added May 2002  •  1.5K words(5)
    21,021 views
  • Alex in Wonderland by Anarchy A(3 parts)CGrow HyCock Cum Musc MGrow Shr Grow  Alex follows mysterious man into a forest, and quickly finds himself in a strange new world, deep below the ground.  Added Jan 2016  •  Updated Apr 2017  •  6.2K words(31)
    23,225 views
  • All or nothing by Double-U  Musc MGrow Grow  Take a step into Allan Rader’s thoughts and explore a strange new casino that hasn’t opened up to the public yet. Will Allan get some BIG returns?  Added Sep 2016  •  2.2K words(10)
    7,258 views
  • Alpha by CharitysSongbird  Fur CGrow Dom Taller Balls Cock HyCock Musc MGrow Self Grow Tf Were  Used to being smaller than his office mates, especially his crush Tavy, Ritzy is stunned when he suddenly starts getting bigger and furrier, even as the impulse to dominate seeps into his personality.  Added Aug 2018  •  14.3K words(5)
    7,460 views
  • Alt-world by BRK(2 parts)CGrow Cock HyCock XArm XLimb Musc PSD Rep Grow Twins  The alternate reality was constructed so the guys fell within broad parameters. Except they were a little skewed toward the exceptional. And something in the software seemed to like outliers...  Added Jul 2011  •  5.3K words(13)
    19,696 views
  • Amplifications by Also Known As(5 parts)Cock Musc MGrow Grow Series    Added Jan 2014  •  22.6K words(3)
    14,228 views
  • Antony Smith by Locky(3 parts)Grow    Added Dec 2004  •  3.5K words(3)
    18,620 views
  • Anything to grow by Big Bull Trainer  Dumb Immob Musc MGrow Grow Tf  There are some with an unquenchable desire to not only grow, but to grow to unnaturally large proportions, and will go to any lengths to do it. This is a story of just such a person.  Added Aug 2016  •  7.8K words(9)
    19,017 views
  • The application by SuperWaffle(8 parts)Fur Musc MGrow Grow  A powerful story in which an anthro fox named Bradley learns that a body-morphing app is a wondrous, life-changing thing for himself and for new friends as well—if it doesn’t fall into the wrong hands, that is.  Added Apr 2015  •  44.5K words(15)
    26,421 views
  • Arthur, the young titan by TonnyGiant(6 parts)Dom Giant Musc Grow Viol  This is the story of how I met Arthur, and how he became a giant, and how he dominated everything and everyone ... and how he won my heart in respect and worship. And today I can say, we love each other.  Added Dec 2016  •  Updated Feb 2017  •  12.2K words(34)
    13,782 views
  • Augmentations by Also Known As(18 parts)CGrow Cock Musc MGrow Grow Series    Added Jan 2014  •  98.8K words(3)
    20,429 views
  • Away game by spacevlad(2 parts)Musc MGrow Gut PSD Grow  College freshman Adam is the smallest guy on the football team. On an away game road trip, he gets paired up to room with Wyatt, the biggest offensive lineman on the team. Adam tries to control himself as they are forced to share a bed, but Wyatt’s massive body is hard to resist.  Added Dec 2017  •  6.3K words(9)
    9,294 views
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  • Cadence by BRK(4 parts)Cock Immort Musc MGrow Grow Viol  Lucius, an ex-ancient Roman whose peculiar curse involves the beauty of the men around him, suddenly finds that everything he thought he knew about his uncontrollable abilities has changed when he's discovered by a trooper one night sleeping in his car on a lonely stretch of Midwestern highway.  Added Nov 2016  •  Updated Sep 2018  •  20.2K words(7)
    6,693 views
  • The cake by Orion  CGrow Hair Taller Balls HyCock Musc MGrow PSD Grow  Matt is an average college student, frustrated with his below average body. But that is unexpectedly about to change, thanks to a little bit of magic.  Added Feb 2017  •  4.8K words(5)
    13,701 views
  • Centurion of light by Ravine Mountain(11 parts)CGrow Cock HyCock Cum XAbs Musc MGrow NipC NipCum Grow Twins  A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission.  Added May 2014  •  Updated May 2016  •  34.2K words(35)
    36,812 views
  • Changing Nick by BRK(13 parts)PermaBoner Cock XAbs XArm XCock XLeg XLimb XPec Musc MGrow Nonc Rep Grow Stack 2Gay 3Legs  Nick’s computer starts offering his choices between one kind of transformation and another. It’s not a fluke, but rather something much bigger than Nick, and some of the changes are less light-hearted than others.  Added May 2013  •  Updated Jan 2018  •  46.0K words(28)
    74,138 views
  • Changr pill party by matt1008(6 parts)CGrow Cock HyCock Infl Musc MGrow Shr Grow  Campus alpha-male Nick plans an unusual party for his buddies, having got hold of a round of Changr pills that produce temporary, unknown, and not always desirable transformations.  Added Jul 2015  •  10.7K words(21)
    23,294 views
  • Charles’s monster by Locky  CGrow Cock HyCock Grow    Added Aug 2006  •  1.7K words(30)
    62,830 views
  • Chat transcript: More than plenty by BRK  Infect XCock XLimb Rep Grow  Two guys chatting about extras end up giving each other the works.  Added Nov 2014  •  2.8K words(4)
    3,528 views
  • The choice by chicagogiantlover  Giant Grow    Added May 2005  •  2.0K words(1)
    9,684 views
  • Choranaptyxic by Marquis de Rent  CGrow Cock Musc MGrow PSD Grow  A young man uses a dating app to have some fun. Everything goes well until his date inexplicably starts to grow...  Added Feb 2017  •  2.8K words(6)
    8,188 views
  • Chuck, the size thief by spacevlad(16 parts)Absorb Musc MGrow Gut MTheft Nonc PSD Grow Viol  Chuck, a middling-sized construction worker who wishes he were bigger, finds a way to grow huge.  Added Jun 2017  •  Updated Dec 2017  •  42.1K words(16)
    31,197 views
  • Coffee coffee by NBCK99(2 parts)PermaBoner CGrow Cock Musc MGrow Grow 2Gay  The employees at the campus’s hottest coffee shop seem to be getting sexier… and so are the customers.  Added Dec 2010  •  5.3K words(18)
    21,711 views
  • Comeuppance by JJJJohnson  Bro CGrow Giant Balls Cock Musc MGrow Grow Twins  No more than one tablespoon each, huh? Suuuuuure!  Added May 2006  •  4.1K words(13)
    29,019 views
  • The commute by BRK  Taller Musc MGrow Grow  David's twenty-fifth birthday was supposed to be the start of new life, with a promotion and a live-in boyfriend. When all that suddenly goes up in smoke, all he can do is distract himself on the train into the city with imaginings of the lithe, well-muscled body of the fellow commuter sitting across from him.  Added Feb 2017  •  4.3K words(8)
    6,289 views
  • Craterville by BRK  CGrow Cock XCock XLimb Musc Rep Grow Tf  When everyone in town has some kind of power that half the time they aren’t even aware of, the guy whose power is to tell with everyone else’s power is might feel like he’s got the short end of the stick. Sometimes, though, there are ways to make it work for you.  Added Mar 2009  •  3.4K words(10)
    18,589 views
  • Custom tailoring by BRK(2 parts)Musc MGrow Grow  Danny takes on a modeling gig that involves a little custom tailoring, and not just of the clothes he’ll be wearing for the shoot.  Added Sep 2016  •  6.7K words(11)
    9,408 views
  • Cybergiant by Chance Riverwind(3 parts)Grow    Added Oct 2002  •  3.3K words(1)
    10,344 views
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  • Daemos island by Charles Westfall(6 parts)CGrow Dad Cock Musc MGrow Grow Twins Viol    Added Feb 2003  •  14.6K words(9)
    19,262 views
  • The deal by Ziel  CGrow Giant Cock HyCock XArm XCock XLimb Musc MGrow Grow Supn  Zeke tries out what appears to be a spell in a musty old tome only to discover that it’s actually a summoning ritual! Zeke soon finds that his experimentation in the mystical arts has some HUGE repercussions.  Added Nov 2018  •  7.4K words(7)
    2,969 views
  • Delivery by BRK  CGrow Cock Musc MGrow Grow  A pizza delivery guy thinks he’s hot shit—and he is. But he hasn’t met the guy who’s been getting hotter and hotter his whole life.  Added Mar 2003  •  2.9K words(6)
    18,597 views
  • Demigod chronicles I: Herakles by aquila(2 parts)CGrow Taller Cock HyCock Musc MGrow PSD Grow  A powerlifter finally hits his goals with his trainer, only to realize that there’s something big he should know about him. It isn’t all shakes and good form that gets you to top shape… sometimes, you gotta pray.  Added Dec 2018  •  3.6K words(4)
    897 views
  • Derek’s rebirth by muscl4life(3 parts)CGrow Giant Balls Cock HyCock Cum Musc MGrow NipCum Older PSD Self Grow 2Gay  An elixir from the dawn of time is turning Derek into the ultimate muscle daddy, which he demonstrates by wearing out three young admirers. Taking on a personal trainer as his acolyte, Derek prepares himself for an even more impressive Phase Two of his transformation.  Added Nov 2018  •  11.7K words(5)
    4,644 views
  • Dig’s island by BRK(4 parts)Bro CGrow Fly Taller Cock XArm Musc MGrow Grow Wings  Shipwrecked on a remote island, four brothers grow up to be incredibly close—and that’s before they encounter a secret power on the island that transforms them each in different ways.  Added Mar 2005  •  3.8K words(6)
    14,540 views
  • Discogrowphy by Ziel  CGrow HyCock Grow  In his first Patreon bonus mini-fic, Ziel indulges in this month’s theme: “Hyper Macro Twink.” As the author explains, “Lots of clothes-bursty growy goodness ensues as well as lots of hot ’n’ sloppy macro sizeplay. I just couldn’t pass up the chance to add some exhibitionism in there because, really, if you’re a hot ’n’ hung titan, who wouldn’t want to strut their stuff?”  Added Jun 2014  •  5.7K words(15)
    10,773 views
  • Doctor Doomsday by Marquis de Rent  CGrow Balls Cock HyCock Grow  Somewhere in a carefully observed multiverse, a bodybuilder tests a new device intended to cater to his every size ambition.  Added Jul 2017  •  1.9K words(7)
    5,940 views
  • Domination by dunnyboy  CGrow Dom Hair Herm Cock Musc MGrow Grow  Jay's already growing submission to Chris escalates dramatically as Chris reveals he's been taking injections that will turn him into the ultimate muscle fantasy. But Chris won't be the only one affected.  Added Feb 2017  •  17.1K words(15)
    17,189 views
  • The dorm revised by RdyRoger(4 parts)CGrow Cock Musc MGrow Grow  New roommates Alex and Anthony meet and discover a shared love of muscle and a connection that has a profound affect on them both.  Added Feb 2011  •  18.5K words(5)
    17,683 views
  • Drug test by Also Known As(8 parts)CGrow Cock Musc MGrow Grow    Added May 2011  •  16.3K words(10)
    37,393 views
  • The dudes by BRK(7 parts)PermaBoner CGrow Cock Musc MGrow Self Grow Sugg  The guys at school are really susceptible to suggestion—so much so that if you tell them something’s true, it turns out that it actually is true.  Added Mar 2010  •  Updated Mar 2016  •  15.9K words(27)
    83,041 views