An Experiment who goes wrong Chapter 03 (Patreon)

Tassedar version:

He had to put one leg forward as the other bent slightly to keep his footing, then he redoubled his efforts. Naruto let a bestial-like growl as fiercely worked his meat, his sleeves tore apart as his beefy engorged arms pulsated with veins.

His quads ballooned out tremendously, ripping his orange pants at the seams as large gashes appeared over the rest of the fabric, slowly becoming a web of loosely connected strips digging into hardened flesh that kept inflating more and more. The pressure in his stomach was more than just the build-up of pleasure, his core popped out rows of shredded abdominal muscle as his thorax widened, becoming twice as thick as a regular man’s body.

His spine jerked in reflex with the advent of his dorsal muscles, his hands unwillingly releasing their hold on his phallus as his arms flexed, but he soon found he didn’t need to keep working himself for the pleasure to continue…