The girls finished drying themselves, enjoying the feel of the cotton towels against their newly grown adult bodies. Having enjoyed the feeling that they had found with sex, and with their memories of being just five years old quickly fading into their subconscious, the two of them eyeballed the ring that still set on Bobby's finger. Bobby himself let out a contented sigh, completely oblivious to what was going on.
"Say Bobby," Ashley said, licking her lips, "You think you could use that thing to make yourself a bit older. Not that we don't like you as a 16 year old," Jennifer nodded her head to alleviate any fear he had, "But we want to do it with a real man."
Bobby nodded his head and looked at the ring on his hand. "I wish I was physically and mentally 5 years older." At once a warm tingling filled his body, as his lanky frame filled out and became more muscular. His abs became defined, and large pectorals formed on his chest as a fine coat of hair covered his body. He could feel stubble growing on his chin as he continued to rise up in age, and not to his surprise he found that the two beautiful girls who had once towered over him were quickly shrinking from his perspective, as he gained an addition eight inches in height. Not only had the ring made him older, but it had apparently increased his genetic potential, his rapidly expanding intellect figured, making him more filled out then he would have been otherwise.
As the growth finally stopped, he shook his head from the disorientation, adjusting to the now smaller room. The two girls were now at shoulder height to him, and each of them were eyeing the large member that had grown between his legs. Bobby ushered them into their parents bedroom to have some more fun...