Series written by

Mutabear

Author Title Total Words Published
Author Title Total Words Published
The new gym you heard about sounds too good to be true. When you arrive early for your free one-on-one training session, you realize the coach has a very different idea in mind for your growth
6,092
5/5/21
A night out at a western bar leads to a chance encounter with a sexy daddy bear, and the passionate sex starts to change you into his ideal cub.
3,237
7/13/21
An eager jock-to-be realizes there’s no way to bulk up quickly without consequence. If he’s not careful, he might find out exactly how a new super-effective mass gainer shake is made...
6,981
8/1/21
Jason Applecott, space marine, thought that a mission to establish a human presence on Planet ZJ-45 would be boring, even if he would be serving under his father, Corporal Lance Applecott. But there’s something strange in the air of ZJ-45, and pretty soon all the men of the crew are feeling the effects of the alien environment...
26,969
8/8/21
Two coworkers discover what dark secret their military-funded job leads to, falling prey to their sinister supervisor's experimentations in the process.
12,582
11/8/21
Your new personal trainer sees you eying some of the beefy bear lifters. He offers to grow you too, although he has his eyes set on seeing you not just adding muscle, but giving you plenty of fat too.
2,857
11/8/23
A young gainer cub is looking for a fun night with an experienced older feeder, but when the two click the cub finds himself growing far more than he could have imagined.
7,470
11/24/23
Ted Hartnagel is visiting his dad, Doug Hartnagel, during the month of December following his parent’s ts divorce. It looks like it’s going to be a normal visit--but what’s inside the strange gifts that appeared magically in Doug’s kitchen on Ted’s first day? A heartwarming tale of Christmas debauchery.
10,412
2/7/24