Guy returned to his apartment, nervous with excitement. Of course, a nagging doubt was in the back of his mind - the last ointment had been horrible! But this time, he had been very "exact" about what he wanted, just like the little Chinese man had wanted.
Once Guy was in his apartment, he locked the door, stripped off the robe that Mr. Yahn had provided, and looked in the floor-to-ceiling mirror he had in his bedroom. His old, muscular body was back. He flexed gratefully, admiring the hard bulges he had built in the gym. He thought about what he had asked for, and his average dick became hard with excitement. Slowly, Guy stroked the hard shaft, working his strong hand up and down, until he felt something build in his balls. His strokes intensified, and he felt the sensation build even more. With a grunt of pleasure, he shot his load all over the mirror, as a drop of sweat ran down his left pec.
Guy reached to wipe off the sweat drop, and noticed that his skin felt warm, hot even. He was beginning to sweat all over. Then, he felt a burning tingle spread throughout his body, setting his muscles, balls, and cock aflame with some mysterious, powerful energy. He gasped at the sensation, and his whole body twitched uncontrollably. Just when Guy thought he couldn't take any more of it, the sensation changed slightly, and he felt a strange heaviness spread throughout him. He looked in the mirror, and watched with delighted surprise as his muscles slowly grew, becoming even larger and rounder than before. "Fuck yeah!" he exclaimed, as his height slowly began to increase, providing more and more space for his swelling muscles. An amazingly erotic pain swept through him, and his growth rate doubled, the muscle bloating with power. He reached down to his enlarging nuts, and cupped them lovingly, then wrapped his growing hand around his growing cock, feeling the thick shaft as it swelled ever larger. He whacked off furiously, overcome by the sensations that traveled through his increasingly massive body, driven by the intense lust that clouded his brain. Keeping one hand on his cock, he raised the other arm and flexed, admiring the basketball-sized bicep and the huge veins that appeared on top, watching it grow even larger.
Guy's balls had grown to the size of grapefruit, just as he had wanted. Yet they continued to tremble and swell, filling with his man-seed. He rubbed them in wonder, able to feel a barely perceptible churning deep within. A chuckle of satisfaction came through his thick throat, deep and powerful, rising out of his massive, jutting chest. He cupped one mighty, meaty pec, feeling the huge sack of hard muscle that hung from his broad torso. His growth was slowing now; he had already reached nine feet in height. His muscles were still growing, slowly to be sure, but surely nonetheless. Guy loved every bit of it. His outrageous musculature made his giant height seem inadequate. His monster cock and huge balls accompanied the rest of him nicely. He stroked the throbbing, sixteen-inch length of it, feeling the thick veins that snaked across its impressive girth. His balls were the size of cantaloupes now, the pressure of the cum within them almost unbearable. He stroked faster and faster, his huge arm barely able to reach across his enormous torso to achieve the task. At last Guy came, roaring savagely, as his powerful dick shot cum across the room onto the mirror, cracking it with the force behind its flight. Guy continued to shoot, his cum splattering on the remains of the mirror, the wall behind it, and the floor below. His balls slowly deflated, returning to the size of grapefruit, while the room filled with the powerful, manly stench of Guy's cum. "Fuck yeah..." Guy managed at last. Truly, he had become the musclefreak sex-god that he had dreamed of.