Muscle Growth Tag

Waking up and forgetting how he came into possession of long-awaited piercing gear, a man finds his concerns fleeting as they provide him more pleasure than he could have hoped, and a massive stature his twinky form could barely imagine...

A trio of farm hands remain largely unware of their true purpose as they go about their work for the summer, only to find their bestial degradation desirable, as well as the enhancements they are granted once their changes are done with them...

A lab mishap exposes two researchers to the effects of a primate-born virus, one that challenges their cherished intellect against the baser desires of their less-evolved kin....

Down on her luck, a woman returns to stay with her parents only to find their charity comes with a price, though one that allows her to get back on her 'feet'...

Finding a surprise custom latex suit in the male, a man is surprised at its elastic properties and uses his deepest fantasies to stretch the limits of its abilities. ...

Eager to leave their old lives behind, two men use nanite-inspired programs to change into their ideal forms, literally tearing their old possessions apart in their drive...

Two men, compelled by a book's magic, perform a ritual that promises to grant them immense strength, with only the consequence of making them into muscled, hulking sergals in the process. ...

A college man's hopes his lycanthrope bite will make his new roommate will make him the perfect Alpha, and finds romance along the way...

A new couple finds out, too late, that their genetic heritage leads to their lustful activities changing them in body towards hulking beasts, the smaller of the two awakening to a new persona in the process...