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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: 338.

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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  • The accidental wizard by nolanspice(2 parts)AgeDown Musc MGrow PSD Rep Grow Tf    Added Jan 2006  •  2.9K words(2)
    12,671 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)
    21,278 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)
    29,358 views
  • Afternoon swim by Viva Wales  CGrow FootGr Taller Cock HyCock Grow    Added May 2002  •  1.5K words(5)
    24,193 views
  • Aiden and Andrew by JB  Musc PSD Grow Vore  Two roommates have some fun, inside and out.  Added May 2019  •  3.4K words(4)
    2,298 views
  • Alex and the giant by JB  Giant PSD Shr Grow  Alex finds himself irresistibly attracted to a man who can change his size at will.  Added Jan 2019  •  4.3K words(8)
    4,574 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(32)
    26,731 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(11)
    8,232 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(7)
    13,268 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)
    20,901 views
  • Amplifications by Also Known As(5 parts)Cock Musc MGrow Grow Series    Added Jan 2014  •  22.6K words(4)
    15,602 views
  • Antony Smith by Locky(3 parts)FootGr Taller Giant Infl Nonc Shr Grow Str    Added Dec 2004  •  3.5K words(3)
    20,318 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)
    22,418 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)
    29,576 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)
    15,865 views
  • Attil|a|rt by LAComplex  CGrow Taller Giant Cock Musc MGrow Grow Viol  The 15-foot phenomenon Attila pays a visit to the world-famous Michelangelo’s David statue, having decided to offer to the world a new reference for manliness and virility.  Added Mar 2019  •  7.0K words(2)
    2,353 views
  • Augmentations by Also Known As(18 parts)CGrow Cock Scent Musc MGrow Grow Series  Pursuing a fantasy, a successful man hires an erotic partner who’s been augmented, but the kinds of pleasures his new lover can share with him are far beyond anything he’d imagined.  Added Jan 2014  •  98.8K words(6)
    24,861 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(10)
    12,294 views
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  • Cadence by BRK(6 parts)CGrow Taller Cock Immort Musc MGrow PSD 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 Mar 2019  •  30.7K words(9)
    9,565 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)
    16,027 views
  • Centurion of light by Ravine Mountain(12 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 Jan 2019  •  38.2K words(38)
    40,298 views
  • Changing Nick by BRK(14 parts)PermaBoner Cock Merg XAbs XArm XCock XHead XLeg XLimb XPec Musc MGrow Nonc Rep Grow Stack 2Gay 3Legs  Nick’s computer starts offering him choices between one kind of transformation and another. He soon learns he’s been drawn into a strange conspiracy, even as the changes start to spread to friends, strangers, and secret allies.  Added May 2013  •  Updated Mar 2019  •  51.9K words(30)
    79,173 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)
    25,864 views
  • Charles’s monster by Locky  CGrow Cock HyCock Grow  Jason saw Charles' monster in high school. Three years later, there's even more to see.  Added Aug 2006  •  1.7K words(30)
    64,875 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