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Series: Four Jocks.  Common tags: Muscle Growth, Cock Growth, Huge Cock, Hyper Cock, Straight to Gay, Gradual Change, Multi-balls. 

Stories found: 11.

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Complete story list for hyperboi:

  • The e-journal by hyperboi  Bro CGrow Balls Cock XBalls XCock MGrow Musc Nonc  Tyler’s birthday is not going well: no one can come, not even his parents, and his big brother is being an obnoxious bully as usual. Plus he’s horny as heck. At least his best friend gave him a gift: an e-journal. He decides to write in it not about the way things are, but the way he wants things to be.  Added Jul 2018  •  3.6K words
  • The escape by hyperboi  Bro CGrow Cock HyCock MGrow Musc 2Gay Twins  Sam and his brother find themselves taken in their sleep and trapped in some strange warehouse-like space, along with all the other teens in their community. Not only is there no way out, but something is happening to them all...  Added Dec 2014  •  3.5K words
  • My man by hyperboi  Fem Mind MGrow Musc 2Gay  Straight jock Brian is okay with his muscle queen roommate, Kevin, affably resisting Kevin’s playful advances. Kevin, however, has some ideas about how to give Brian a change of attitude.  Added Mar 2016  •  6.1K words
  • The new job by hyperboi(8 parts)Bro CGrow Grad Cock HyCock HMusc MGrow Musc Grow  Out-of-work engineer Jake takes a job at an isolated mansion, where he’s overpaid for just guarding a gate and letting through mysterious trucks. He and his coworkers are getting slowly bigger and hornier, too, and all this seems really great except for a certain nagging doubt—and a terrifying warning from the hugest of his fellow guards.  Added Aug 2014  •  20.4K words
  • The new simulation game by hyperboi(5 parts)Bro CGrow Cock HyCock MGrow Musc 2Gay  On a weekend home from college, while he’s waiting for his brother to come home (and avoiding his hateful dad and sneering stepmom), muscle nerd Simon screws around with a new sim game he’d lucked into beta-testing—a game that turns out to be a lot more realistic than he’d expected.  Added Mar 2016  •  10.5K words