Panicking Justin had temporarily lost the concentration that could have saved him. At first it felt like his arms were just trapped under a rubber suit next to his body, but after a few moments the sensation was just of the truck of body as he tried to twist away using his legs. It was useless though his face being drawn inexorably towards the rubber man's crotch. Justin stumbled and his length fell to the floor pulling the man transforming him after him. He tried to keep his eyes open but soon they were gone as well. He could not see (or hear or smell either if he had noticed those senses being gone) what was happening but he could still feel his body continuing to change. And what was worse he started feeling really turned on by this, by his ongoing transformation into a cock. He didn't want this, did he?
He felt some part of him move down to increase the size of the rubberman's balls as the folds of a rubbery foreskin formed over his (their?) cockhead. The pleasure of it totally overwhelmed him, if he'd still had a mouth he would have been moaning, it was like his whole body was having the best fuck of his life.
Then he felt something start to stroke him, a hand? If so he had shrunk much in size for the one could get almost halfway around his shaft. This was too much and he felt the familiar sensation of orgasm building, only throughout himself. The pulsating spasms pushing out cum even as the hand stopped stroking him. Then... nothing? Was his owner just finished with him? Was someone else being transformed? Justin found himself as clearheaded as he could possibly be as a man transformed into another's dick. And he decided to...