PTXpert
When everything seems to go right, suddenly her mom dies in a fire.
Her brother Jason runs away, and now she's officially lost.
She has nothing to turn to, except YouTube. She watches videos, especially gaming videos.
This inspires her to start her own channel. She gets the some equipment and a few games with the money she saved up.
What happens when she meets her hero's, or better yet lives with them.
Septicplier
This will have some strong content. I'll let you know if it gets bad.