After thinking it over for a bit, Chloe realised that she knew who would be a perfect target to use the Katana on - herself.
Chloe was a goth, and she prided herself on being different, be it her dyed black hair with a streak of green, her makeup and her henna tattoos. Now she had a device that could make her different in a way that even other goths couldn't copy, unless she gave them the same change.
She pressed the red button, and the blade shot out once again. She scrolled through the different settings and cross-referenced back to the note, wondering how she could alter herself. The possibilities seemed endless.
As she turned the rotary dial, she was almost hypnotised by all the colours of the blade. Chloe was still indecisive about what to do to herself. She touched the blade, feeling a strange sensation of needles and pins, even though it wasn't doing anything. Whatever she did to herself, the effects would be reversible, so she could try something else if she got bored of a particular alteration.
After some contemplating, Chloe decided on what to do...