Patreon Prompt 534

Prompt: (Female to Muscular Male TF) https://www.furaffinity.net/view/55040509/

            Looking away from the pitiful sight of his girlfriend, Maxine trying to lift the smallest weight in the gym, Toby turned back to his phone. Specifically, he was staring at an app that claimed the ability to drastically increase a person’s workout efforts. Seeing how close his girlfriend was to giving up on her mission to improve her body, he tried to subtly increase a slider labeled Masc up to the maximum.

            Moments after storing away his phone, Toby noticed a drastic increase in energy for Maxine. Quickly getting through her session with the meager weights, she moved on to a much larger set. Though Toby was impressed by her progress, he became worried as he noticed the swelling taking over her once noodle-like arms. A similar effect on her legs gradually raised her up to loom over him by several feet. The extra bulk on her limbs paled in comparison to the bulge that began to form in the front of her pants.

            Lost in a whirlwind of pushing her body to the limit, Maxine lifted anything and everything her massive hands could grab onto. All the while, she seemed ignorant of the way her breasts morphed into a set of muscular pecs that slowly shifted her shirt upwards. Her dainty facial features were replaced with a rugged chin and brutish appearance that fit the deep grunts leaving her mouth. Rather than fear this newly changed boyfriend, a certain musk emanating from Max’s the things stretching out her gym shorts pushed Toby to get a better look.

            Toby managed to make the hulking behemoth of a man stop by grabbing onto his dick. Though Max growled at first, it turned into a moan as his boyfriend continued to rub along the length. Balancing atop the massive manhood, Toby watched as droplets of semen began to leak out the tip of the cock. Noticing a similar leak occurring with milk coming from the muscular man’s pecs, Toby took a cautious suckle. Working through the strange pleasure given to him by his miniscule boyfriend, Max continued to pump iron to reach his maximum size before he completely ruined his pants.