Mitch felt good about his new job. He managed to get a good work out doing hand labor and got to show off his well built stature. Mitch managed to slip into something more exposing, wearing no shirt, leg high overalls, gloves, boots, his utility belt and hard hat. The cool outside breeze passing his sweaty muscular body felt perfect. During his break, Mitch couldn't help but stay in the bathroom to relieve himself in the stall. He had such an urge to work his own wood. He went in the stall wearing his hardhat and usual uniform, undoing the straps of his overalls and pushed out the rather large bulge in his briefs. He relaxed and gripped his meat tightly. He felt his chest up, moaning slightly. His bare hand started to work up and down when suddenly, they started working higher and higher. Mitch looked to see his cock elongate past his erection. It stretch and stretched till his hand was churning a foot long cock. His attention was blocked by his chest where his pecs were enlarged, five times bigger than his original shelves. His nipples bulged outwards, wider than cup lids. His arched arms squeezed massive beach ball biceps straining with veins. His overalls tightened as his legs and glutes pushed and thickened. Mitch was amazed but was more bothered by his new features. He continued to work his jackhammer cock, watching it pulse in girth. It managed to extend to two feet, then three feet, with the rest of his body following along. The seams of his overalls started to tear. His utility belt bobbled as he moved back and forth. Mitch grunted and moaned as his body started to fill up the stall with his cock head poking out first. He masturbated more and more and then...