Jeff felt a tingle in between his dicks and glanced down. Two small bulges were forming and the feeling was almost orgasmic. Inexorably slowly, one bulge formed a sack almost identical to his own balls and the shape of his cock head appeared in the bulge above and began growing out.
The pleasure was so great, Jeff's two original dicks sprang to instant erection and his breathing grew ragged. Jeff watched in fascination as a complete new set of balls grew in and his new dick filled out, starting to match size, the tingling growth approaching orgasm, but always holding back from the edge.
Jeff shifted his weight and his two ball sacks brushed against the new center one adding to the pleasure.
His curiosity was peaked, and he stroked the still growing dick, and balls and was amazed at the intensity of feeling the transformation and his hands were making. This new dick was only half the size of his originals, and felt so good, and was still growing longer.
It was as if he had the strongest, rock hard, dick, and it was still getting harder, pushing out more length, and sending wave after wave of horniness at him. Jeff didn't think he could take anymore without release and he looked at the computer. A countdown timer showed 10 minutes of transform time left.
His new dick had about 1 inch left before it would reach the length of his two original dicks…