Brute Transformation/Growth Interactive

Enjoying their newly gained gym-rat mindsets, Lusamine and Cynthia continued to press on with their workouts, while occasionally stopping to slurp more of that ever so delightful and addictive protein energy shake that the gym was always providing them.

Their enlarged bodies jiggled with each step or movement they made, too absorbed into their routine to notice or care how their bodies felt. As time pressed on, Lusamine and Cynthia kept lifting heavier and heavier weights throughout the day. And as the day went on, the exercises and the shakes began changing their bodies more than ever.

It started with their arms, as they were putting on a fantastic amount of muscle and weight from all the lifting. But in time, an itching feeling started to develop as small traces of blond hair began sprouting along their brawny arms; which traveled down the rest of their bodies; along with their increasing sizes.

Their bellies started to slip past their knees, though the similarities stopped there as Lusamine's gut remained soft while Cynthia's started to harden. Their gym pants desperately struggled to remain around their expanding forms, as seams and stitches slowly began to break and tear apart to reveal their meaty muscle flesh.

Their chubby faces soon changed as well, as their jaws slowly became more squarish and sturdy. Shoulders doing the same as they lengthened and thickened too. And then their breasts stretched out until their sweaty tops resembled bras, revealing less than voluptuous boobs.

But, the increased weight wasn't the only thing that was different about them. As the pair suddenly found themselves grunting for a bit as a tingle and jolt tickled their crotches as they continued their exercises.

A strange, bulging sensation emerged, growing until it was full-sized, as the blondes suddenly had huge bulges between their fattened and muscly thighs that were testing how much more their gym pants could last. It was as if someone had stuffed two sitrus berries and a nanab berry down there...