Pumped to the Max: Solo Muscle Growth

A beefed-up cartoon stud, his muscles glistening with sweat, sits alone in his dimly lit room. His hand wraps around his thick, cartoon cock, already rock hard and ready for action. He begins to stroke, his hand moving quickly up and down the length of his massive shaft. The sound of his hand meeting his cock fills the room, a rhythmic slapping that builds and builds as his cock grows even larger in his hand. The cartoon bodybuilder's face contorts in pleasure, his eyes rolling back in his head as he continues to pump, his muscles tensing and relaxing with each stroke.

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