He saw the full body picture of himself on the screen. Then, the image changed, gradually:
HIS CLOTHES VANISHED, then his body changed into a head-like body with a round shape, with one big round cyclops eye on it, a mouth full of fangs, a small tail, 3 toes on his feet, 3 fingers on his hands, and red skin.
he liked the monster form, so, he chose that to be his monster form.
then, a message popped up. it said, "Shall we initiate tf now?"
'Yes/No'
he clicked 'yes'.
almost immediately, he felt a sharp tingle. the tingle spread all over his body, from the top of his head to the tips of his fingers to the ends of his toes.
One of his shoes and one of his socks suddenly shot right off his feet! Chris looked down at his bare foot, and saw that his foot had 3 toes, just like the picture on the internet!
and the same thing happened to his other foot too!
"Hey! What's happening to me?" he exclaimed, as one of his arms and hands changed, becoming that like it was on the internet. and the same thing happened to his other hand and arm too!
Within seconds, Chris had turned into the monster seen on the tf site - a head-like body with a round shape, with one big round cyclops eye on it, a mouth full of fangs, a small tail, 3 toes on his feet, 3 fingers on his hands, and red skin.
he ran into his parents' bedroom, and saw his reflection in the mirror.
"Cool!" he exclaimed. "i'm a monster! AWESOME!"
He wriggled his toes. thankfully, he'd found out on the site that a person's private parts disappeared when they turned into monsters.
he headed back to his room, and looked down at himself. He looked like a real monster! "This tf site works!" he said.