After a year of research Katy had found an invention she craved, an age changer, she was sick of not having her ideas heard because she was too young, but using a black hole she conviently found in her basement and gamma particles with the power of the……blah blah blah blah blah
Essentially it’s a gun, you turn the dial to required age, point and fire. Thanks to it being powered by… something or other, reality is changed so the age change is normal to everyone bar the person using the gun. So then, what is it’s first use?