Johnathan headed off to the right separating from the others, he was only 11 but had no fear of the freaky old mansion.
He ended up in what looked to be someones bedroom. He walked over to a dresser and picked up what looked to be a normal t-shirt. He felt a large shock as he did so.
"Ouch, stupid shirt" Johnny said rubbing his hands.
Johnny explored the room a little more before heading off into the next one. His shoes were really starting to get uncomfortable, must have been walking too much.
Just as he was about to remove his shoes a great heat begin to radiate through his body, his young muscles tensed up causing him to drop to the ground.
Sitting on his butt he looked down at his hurting legs. The suddenly began to move on thier own extending outward. His feet were hurting too much now to allow them to stay in his shoes. He quickly removed them and watched his feet somehow grow very large.
Johnny began to itch his legs, it felt like ants were crawling across them. As he scrathed brown hair extended from his skin quickly thickening and moving up his calves and onto his long theighs.
Another sharp pain hit Johnny as his waist began to expand outward, he quickly undid and removed his shorts so they would not cause more pain. His underwear were now very tight around his small equipment, which began their own change. He felt great pain as his balls quadrupled in size compared to his 10 years old body. Next his penis lengthened in the underwear trying to find anywhere to expand to.
The pressure got so bad Johnny lifted the waistband to try and releave some of it. He was able to see the last of his pubic hair fill in and then proceed upwards onto his stomach. Just as the hair reached his navel his abdominals tightened causeing a six pack to slowly pop up in great pain.
Johnny's shoulders cracked as they widened outward. His chest muscles also responded with a tightening and toning. His underarms quickly filled in with a thick patch of brown hair as his biceps and triceps grew well beyond their former size. His arms lengthened, hands becoming large and strong, a light layer of hair on his forarms.
His face was the last to change. It went through 8 years of growth in seconds, squareing off his jaw giving him an adult look. Next a slight five-o-clock shadow filled in over his face.
As the change ended Johnny colapsed from the pain into sleep. Lying on the floor in his (tight)underwear was now a 19 year old Johnny.