"Tiff I don't know about this, I'm a bit scared!" Katie speaks from inside the machine. "Are you sure it's a good idea?"
Tiff licked her lips wickedly and began pressing buttons on the control panel. "Don't worry Katie I'm sure you'll be fine."
The cabin Katie is in begins lighting up and a few flashes can be seen as some kind of smoke fills the space around her and obscures all vision. Tiff feels just a tiny bit worried when she hears her friend's voice sounding as if she were in pain. Katie's voice seemed to distort more and more and getting lower in pitch, until it sounded like there was a guy in there instead of a girl. The smoke soon clears out and the door pops open, and outside comes... a boy. It worked! Tiff had set the machine to change Katie's sex and it actually worked. The boy who stepped out of the machine looked confused and disorientated. Tiff could still see some of her female friend in him if she concentrated. He looked like he could be Katie's taller, athletic and very handsome brother. He still had raven black hair, but cropped very short. Katie's schoolgirl uniform was all ripped up and ill fitting on his now larger male body.
"What happened?" Katie asks Tiff confused. "Oh my god my voice! I'm a boy?"
Tiff smiles at her now male friend and starts getting naughty thoughts...