Stories that feature erotic and/or transformative liaisons between fathers and sons, or someone engaging sexually or transformatively with both a son and a father.
Related: Brothers; Twins.
Child of: Incest.
Top Stories: “Spice”; “Empire”; “My roommate”; “Alpha product series”; “Sam and Bolt”; “Musclove, Texas”; “Bull’s strength”; “The awakening”; “Damian and the three muscleteens”; “Shirtbusters”.
Recently Updated: “The chronicles of Besar Otot”; “Empire”.
49 stories found. Total word count: 1,517,735.
- Chris olympus by FanTCMan 2Gay AgeDiff CockUp Dad Hairier Musc MuscUp Added Dec 2002 3 parts 9,167 words 31,236 views 4.4 stars (16 votes)
- The chronicles of Besar Otot by OneLuckyGuy89 XCock 2Gay AgeUp AgeDiff Bro Cock CockUp Dad Hairier HyCock HyPher MFSwap Musc MuscUp Nonc PSD SizeUp Taller Tf On a distant unknown island near Indonesia called Besar Otot, Kenny Masters returns home a new man and intends to change his family as well. Added Jan 2020 Updated May 2021 8 parts 25,601 words 9,814 views
- Company guys by FanTCMan AgeDiff Cock CockUp Dad Hairier Musc MuscUp You can’t even imagine how excited Joey and I were, excited and scared, when Dad said he was going to give us the formula he’d been sampling. We were going to be models for what he called the Company. Added Dec 2002 2 parts 7,919 words 28,283 views 4.8 stars (8 votes)
- The construction worker by Peterbilt AgeDiff Cock CockUp Dad Musc Virgin A troubled young hardhat named Jordan is helped through a series of self-discoveries by Joe, a father-figure who comes to mean more and more to Jordan. Added Sep 2015 22,148 words 20,873 views 4.8 stars (10 votes)
- The cowboy by Chance Riverwind AgeDiff Cock CockUp Dad Giant Musc Added Jul 2002 1,967 words 15,085 views 2.0 stars (5 votes)
- Dad’s gift by John Y. AgeDiff Cock CockUp Dad For Jeff’s 18th birthday, his dad decides to give him something special and close to his heart—a donkey dick. Added Mar 2004 4,994 words 42,833 views 4.6 stars (24 votes)
- Daddy’s little boy by TonnyGiant AgeDiff Cock Dad Dom Gut Musc PSD Jimmie returns home from college for the summer to rediscover just how drawn he is to his massive, muscle bear stepfather. Added Sep 2018 Updated May 2019 2 parts 4,961 words 19,326 views 4.8 stars (9 votes)
- Daemos island by Charles Westfall AgeDiff Cock CockUp Dad Musc MuscUp SizeUp Twins Viol A Polish scientist and explorer, Ferdinand Rolcek, discovers a hidden island where the lost secrets of the Daemos, alien pioneers of masculine beauty and sexuality far beyond anything known to humanity, are finally revealed to him; and what he learns makes him never want to leave again. Don’t worry, he won’t be lonely. Added Feb 2003 6 parts 14,639 words 25,797 views 2.1 stars (37 votes)
- Damian and the three muscleteens by hyperboi 2Gay AgeDiff Bro Cock CockUp Dad HyCock Infect Musc MuscUp Twins Added Dec 2012 5 parts 8,169 words 47,921 views 4.4 stars (25 votes)
- A day at the beach by Thatbadwriter AgeDiff Cock Dad Giant HyCock SizeUp Viol You watch in dismay and amazement as your father, who’s gained the ability to grow himself to giant size in a freak medical accident, takes a trip to the beach with you and decides to make himself bigger than he’s ever tried to become before. Added Aug 2019 1,624 words 7,677 views 4.1 stars (16 votes)
- Don’t talk about me! by jewelbee 2Gay Dad Fatter Nonc Sugg What if one day, everything someone said about you became true? Everything someone says to your face, whether lie, sarcasm, joke, hyperbole… would change you. 18 year old campus douche Nick learns this the hard way, faced with a curse after he led on the wrong girl. How will he get rid of the curse, and more importantly… just how much will he change in the meantime? Added Aug 2020 2 parts 3,060 words 4,414 views 5.0 stars (27 votes)
- Empire by LenZelig 2Gay AgeDiff Alien Beast Bi Bro Cock CockUp Dad Het Mind Musc MuscUp Nonc Self Share SizeUp Slave Space Taller Tksg Twins Virgin 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 Updated May 2021 40 parts 365,561 words 113,660 views 4.8 stars (38 votes)
- Endmyths by Taur Reg XLimb AgeDiff Cent Dad Naga Shift Transformations spread through an entire town—but why? Added Aug 2013 12 parts 18,537 words 14,043 views 4.8 stars (6 votes)
- Mass X by Max Mann AgeDiff Cock Dad Hairier Musc MuscUp New Years Xmas Five short stories of men getting bigger and sexier, through the use of “Mass X”. Added Feb 2005 5 parts 19,019 words 35,546 views 4.6 stars (13 votes)
- Massive by Alex Rif AgeDiff Dad Hallow Images Lycra SizeUp Suit 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 parts 2,851 words 25,468 views 3.3 stars (13 votes)
- Matt and his dad by Meddler Incs 2Gay Cock Dad Hypno Musc MuscUp Nonc Symb Series When Matt comes home to visit his dad, he is forced into being part of The Crew. Added Jun 2020 3,343 words 6,035 views
- Musclove, Texas by Max Mann AgeDiff Bond Bro CockUp Dad HyCock Musc MuscUp Twins Virgin 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 9 parts 26,085 words 56,167 views 4.7 stars (44 votes)
- My roommate by LenZelig AgeDiff Bi Bro Cock CockUp Dad Dom Het Mind Musc MuscUp Virgin Series Bill’s hot adventures with his irresistible sex-god of a roommate, Andy Wang. Added Jul 2002 Updated Oct 2019 9 parts 113,042 words 103,242 views 4.9 stars (57 votes)
- My roommate: The next generation by LenZelig AgeDiff Bi Bro Cock CockUp Dad Het Musc MuscUp 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 Oct 2020 6 parts 81,771 words 10,637 views 4.8 stars (20 votes)
- My son home on leave by Peterbilt AgeDiff Cock Dad Musc A story of sex between a man and his adult Marine son when he is home on leave. Added Feb 2017 2 parts 18,403 words 12,898 views 4.6 stars (8 votes)
- My son is worried about his big cock by UnknownGentrifier AgeDiff Cock Dad Andy seeks his father’s advice about whether his cock really is too big, like his friends say it is. Added Oct 2020 2,194 words 4,266 views 2.9 stars (8 votes)
- My son, the superstud by Max Mann AgeDiff Dad Musc MuscUp 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 3,842 words 103,029 views 3.8 stars (28 votes)
- New neighbors by BRK XCock AgeDiff Cock Dad 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 2 parts 11,319 words 16,284 views 4.4 stars (8 votes)
- The night shift by Dreamtransformer AgeDiff Dad Musc Added Dec 2013 1,239 words 10,957 views
- Not just imagination by DarkDjin AgeDiff Cock CockUp Dad Musc MuscUp 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 2 parts 10,894 words 32,821 views 4.6 stars (34 votes)
- Sam and Bolt by Alakazam1988 AgeDiff Balls Cock CockUp CumInf Dad Hairier HyCock HyCum Infect NipC NipCum Self SizeUp Taller Sam’s father, Bolt, shares with his size-hungry son the secrets of becoming truly huge. Added Sep 2016 Updated Dec 2016 11 parts 48,242 words 60,109 views 3.7 stars (56 votes)
- Shirtbusters by TFWizard AgeDiff Dad Musc MuscUp SizeUp 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 2 parts 6,769 words 43,108 views 4.1 stars (14 votes)
- Spice by Mr. X AgeDiff Cock CockUp Dad Grad Hairier Musc MuscUp Scent SizeUp Worship 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 50 parts 221,027 words 179,646 views 4.4 stars (55 votes)
- Suggestions by Jack the Mindbender AgeDiff Cock Dad 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 2,749 words 6,801 views 4.4 stars (9 votes)