time.

"What's he doing for you? Nothing. Nothing but trouble."

"Sirius..."

"I could give you double, Kels."

-

Throughout Kelsey's years at Hogwarts, she learnt a lot of things. For example, don't rearrange Hermione's book order, or don't steal Ron's liquorice wands. However, a life lesson Kelsey never thought she would learn is;

Do not mess with time-turners.

As Kelsey is sent back exactly twenty years, she has to learn to adapt to the conventions of the time, and for the time being; make new friends. Another lesson quickly learnt by Kelsey is that it's weird to become best friends with your best friend's dad and most importantly; do not catch feelings for your best friend's God father!