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Age Difference

Stories in which there is a large age difference between partners—usually guys around 20 with guys around 40 or 50.

Kinds of “Age Difference” stories include:

    Other tags that also fall under the category “Choice of Partner”: Bestiality, Incest, Not Only Male, Seniors.

    Stories found: 56.

    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 Age Difference:

    • Alpha product series by Chet Boner(18 parts)AgeDiff Bro CGrow Dad Balls Cum MGrow Musc NipCum Images  19-year-old Trent accepts a free trial product series called “Alpha Product” in exchange for his feedback. He receives the first product very quickly, but doesn’t know how many people would be affected and grow as a result of this choice!  Added May 2017  •  Updated May 2019  •  22.7K words
    • The awakening by Johnny M(10 parts)AgeDiff Bro Dad Cum MusBr Musc NipCum  Danny’s secret muscle-breast fantasy kink begins bleeding into the real world.  Added Jul 2012  •  24.7K words
    • Bull’s strength by muscl4life(28 parts)AgeDiff Hard Beast CGrow Viol Dad Fly Taller Balls Cock HyCock Infect XAbs XCock MGrow Musc PSD Grow Tf  On a quiet farm far from anywhere, an orphan named Joshua grows up so huge and strong that he’s bullied for being a freak. His aunt and uncle raise him with love and teach him to accept who he is, but Joshua yearns to be among men who don’t just accept his giant body, but love and admire his amazing size and power.  Added Jul 2018  •  Updated Oct 2018  •  88.4K words
    • Empire by LenZelig(38 parts)AgeDiff Alien Beast Bi Bro CGrow Dad Virgin Taller Het Cock Mind MGrow Musc Nonc Self Slave Share Grow Space 2Gay Tksg Twins Series  A massive consolidation of the entire “Bill’s Education” universe, incorporating the previously separately posted “The Surfer”, “The Rescue”, “Spring Break”, “Pickup Trouble”, and “School Days”, “Empire” is the wide-ranging tale of easy transformation and even easier sex across all boundaries—friends, family members, genders, even species—as a fortunate crop of humans stumble into a wider universe of size, muscle, double-digit-length cocks and much, much more and discover the true meaning of shared, radical, uninhibited pleasure.  Added Apr 2019  •  347.2K words
    • Endmyths by Taur Reg(12 parts)AgeDiff Cent Dad XLimb Naga Shift  Transformations spread through an entire town—but why?  Added Aug 2013  •  18.5K words
    • Grow for me by Richard Jasper  AgeDiff MGrow Musc  In this shorty (1000 words), the middle-aged musclebear protagonist takes in a lanky 18-year-old who’s been kicked out of house and home by his homophobic asshole dad. The musclebear’s only request? GROW! And boy does he!  Added May 2020  •  1.1K words
    • Jallen by Richard Jasper(10 parts)AgeDiff Taller Cock MGrow Musc  Orphaned from birth, Jallen’s amazing growth has continually confounded and upset the long procession of foster parents he has endured. Until he meets Officer Brian Molloy of the Houston P.D.  Added May 2020  •  15.4K words
    • Kept boy by Richard Jasper(5 parts)AgeDiff Grad Cock MGrow Musc  Philanthropist Jason is wealthy, handsome, and built like a brick outhouse. Eddy is a handsome lad newly arrived from East Buddha. They meet at the Y and the rest is muscle growth history!  Added May 2020  •  6.2K words
    • Love/shift by BRK(11 parts)AgeDiff Dad Hair Grad Scent MGrow Musc Grow Supn Tf Wbear Series  Maxfield has very mixed feelings about leaving the city and all his tech behind to spend the summer after graduation halfway up a mountain in the family’s backwoods cabin—just him, his dad, and a whole lot of secrets.  Added Dec 2017  •  Updated Apr 2019  •  68.1K words
    • Mass X by Max Mann(5 parts)AgeDiff Xmas Dad Hair Cock MGrow Musc New Years  Five short stories of men getting bigger and sexier, through the use of “Mass X”.  Added Feb 2005  •  19.0K words
    • Massive by Alex Rif(2 parts)AgeDiff Suit Dad Hallow Lycra Grow Super  James finds the superhero costume his stepson had ordered from a strange website for Halloween, and decides to try it on.  Added Feb 2016  •  2.8K words
    • Me and Mr. K by Richard Jasper  AgeDiff MGrow Musc  Roger Jolson, the world’s strongest teen, is excited about meeting Ben Kazakian, the World’s Strongest Man, a friend of Roger’s hunky coach, Stan Telatopolous. Their meeting does not go as any of them expected.  Added Jun 2020  •  3.3K words
    • Mister by Richard Jasper  AgeDiff Dom Cock Musc  Musclegod Frank doesn’t know quite what to think of the hunky Latin kid who seems to trip over his own feet whenever Frank shows up. For his part, Eduardo is trying not to cream his pants whenever he looks in Frank’s direction. Eventually, they figure it out!  Added Jun 2020  •  1.9K words
    • Musclove, Texas by Max Mann(9 parts)AgeDiff Bro CGrow Dad Virgin HyCock MGrow Musc Bond Twins  Moving to Musclove, Texas with his sons to take up a new teaching position, Rick Long is startled to find a town full of huge, hung, and horny men, all of them eager to have the newcomers join them (in more ways than one).  Added Sep 2004  •  26.1K words
    • My roommate by LenZelig(9 parts)AgeDiff Bi Bro CGrow Dom Dad Virgin Het Cock Mind MGrow Musc Series  Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang.  Added Jul 2002  •  Updated Oct 2019  •  113.0K words
    • My roommate: The next generation by LenZelig(5 parts)AgeDiff Bi Bro CGrow Dad Het Cock MGrow Musc Series  The folks from My Roommate are raising a new crop of offspring. They are not Andy Wang or his son, but they are not your normal youngsters either. Bill Foster Junior tells the story of how they grew into manhood.  Added Nov 2019  •  Updated Apr 2020  •  74.0K words
    • My son home on leave by Peterbilt(2 parts)AgeDiff Dad Cock Musc  A story of sex between a man and his adult Marine son when he is home on leave.  Added Feb 2017  •  18.2K words
    • My son, the superstud by Max Mann  AgeDiff Dad MGrow Musc  Thom is shocked to hear that his son Rusty has enrolled in a muscle-growth transformation experiment—and it’s already too late to stop him.  Added Oct 2003  •  3.8K words
    • New neighbors by BRK(2 parts)AgeDiff Dad Cock XCock  Jimmy is starting to enjoy his first summer with his newly acquired wishpower when a very sexy couple moves in next door. The only trouble is, Jimmy doesn’t immediately recognize the true nature of their relationship, and by the time he does, it’s already too late.  Added Jan 2016  •  Updated Nov 2019  •  11.3K words
    • The night shift by Dreamtransformer  AgeDiff Dad Musc    Added Dec 2013  •  1.2K words
    • Not just imagination by DarkDjin(2 parts)AgeDiff CGrow Dad Cock MGrow Musc Sugg  Jampson’s overactive imagination starts to grow his cop dad and his friends...and somehow not only does it become real, but the men are pretty into it.  Added Jun 2014  •  Updated Jul 2014  •  10.9K words
    • Sam and Bolt by Alakazam1988(11 parts)AgeDiff CGrow CumInf Dad Hair Taller Balls Cock HyCock Cum Infect NipC NipCum Self Grow  Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge.  Added Sep 2016  •  Updated Dec 2016  •  48.2K words
    • Santa’s big surprise: Family visit by Silverfox Dad(2 parts)AgeDiff Xmas CGrow Cock MGrow Musc Seniors Series  Muscle studs Jeremy and Marco are incredibly happy together thanks to Santa’s gift the year before, and with their stunning physiques they have money and fans and everything they could need. Now, if only their families weren’t coming for Christmas…  Added Dec 2018  •  6.7K words
    • The Servonyx exclusion by BRK(3 parts)AgeDiff Andr CGrow XArm XLimb MGrow Nonc Grow  Uncovering some corporate skulduggery leads to dire consequences for Beck. Nearly killed in a suspicious crash, he soon finds himself halfway around the world trapped in a physically enhanced pleasure humaniform… in the keeping of a handsome Russian plutocrat. Pleasure is easy to unlock in this new existence, but escape and revenge will be a lot harder to manage.  Added Jul 2018  •  Updated Nov 2018  •  13.9K words
    • Shirtbusters by TFWizard(2 parts)AgeDiff Dad MGrow Musc Grow  Jared, Lance, and Lance’s father Ben discover a way to bust out of their shirts, and they can’t get enough of it.  Added Oct 2005  •  6.8K words
    • Spice by Mr. X and Mad Dog(50 parts)AgeDiff CGrow Dad Hair Grad Cock Scent MGrow Musc Grow  In this epic story, the transformative powers of a certain substance are tested by a couple of very horny guys.  Added Oct 2009  •  Updated Nov 2019  •  221.0K words
    • Suggestions by Jack the Mindbender  AgeDiff Dad Cock Mind Sugg  Jack is surprised by how quickly his hot stepfather goes from a closed book to jerking off right in front of him…  Added Dec 2018  •  2.7K words
    • Toy story by LenZelig(2 parts)AgeDiff Andr Dad MGrow Musc Space Twins  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.  Added Jul 2002  •  6.9K words
    • Twin studs by Anonymous(3 parts)AgeDiff Bro Dad Virgin Cock XArm XCock XLimb Twins    Added Jul 2014  •  42.5K words
    • Vacation by muscle.growth  AgeDiff Dad Cock MGrow Musc  Just a simple vacation sleepover with Matt, Alan, and Alan’s dad working on something weird in his basement lab.  Added Feb 2009  •  1.9K words
    • Visiting home by Wicked(2 parts)AgeDiff Dad Cock Infect MGrow Musc Grow  Asher spent his entire first semester working out and gaining some serious muscle, but when he returns home for winter break, he doesn’t realize that he’ll be the one amazed by how much someone can change.  Added Jan 2016  •  Updated May 2016  •  6.8K words
    • The Zeke chronicles by Sean Reid Scott(7 parts)AgeDiff CGrow Dom Dad Taller Cock MGrow Musc  Zeke, an 18 year-old gorgeous stud, was already big before some very special visitors seem to have given him a special ability to grow and grow, bigger and bigger, stronger and stronger.  Added Jul 2013  •  Updated May 2017  •  27.7K words