The glossy black liquid reacts to the disturbance. It flows up Jim's foot, coating his sneakers and the feet inside. As It creeps up his calf, the sneakers loose definition and quickly become more of the strange substance. Jim's jeans follow the same pattern, leaving a tight coating of the glossy fluid coating every inch. Jim notices the covering on his feat shifting, flowing to create four thicker toes tipped with long talons. Panicking more than ever, Jim tries to wiggle his toes but cannot move them. By this point the black has reached his waist. It covers his genitals, eliminating any sign of his body hair as it had on his legs. The substance tries to move up his anus but Jim clenches tightly to deny it entrance. He clenches his prostate to prevent further intrusion from the front. A long, thick protrusion of the oily creature stretches out from just above his buttocks. The shiny substance surges ever faster up his body. Jim is unable to look down any longer as it races up his back and neck, forcing his posture straighter. Unable to see what was happening he felt it surge down his arms and over his hands at the same time it coated his face. Jim clenched his eyes shut to prevent the creature from intruding. Unable to stop it Jim felt it surge into his nose and down his throat. He felt a strange tingle in his neck and a quick sensation of expansion before he lost all sensation between his chin and shoulders. It felt the tingle signal the fluid's entrance into his lungs followed by the same shifting sensation, then nothing. He clenched his stomach in an attempt to prevent further penetration of his body.
Time became meaningless. Jim was only aware of his efforts to keep every opening tight and the creature's efforts to finish the job. Eventually Jim's attention slipped. The ooze quickly took advantage by flowing up Jim's penis. A spike of pleasure hit Jim as his genitals swelled and were corrupted. In that split second of distraction before he lost feeling in his groin he let go. The fluid quickly penetrated his digestive tract. The last last thing he felt was a pressure in his hips and butt. Jim was now broken, and he felt his legs crack and surge into a new posture. He opened his eyes in surrender. The black took over and remade his eyes before surging into Jim's brain. Jim was rocked by feelings of pleasure as he succumbed. Visions of sexual excess and violence flooded his mind.
That which had been Jim opened its eyes. Behind those eyes was a hybrid being. It was comprised of Jim's consciousness and memories but was dominated by terrible desires. It was a being of corruption; reveling in acts of sexual excess and depravity, basking in the violence it could unleash, burning with a desire to spread its taint. It assessed its new form.