All Hell Breaks Loose!

You lived a simple life as a kid, you had perfect parents that would do anything for your benefit. Everything was perfect.
But then...
The dead started walking.
You watched your parents die right before your eyes, but you remember their last words "You gotta run and don't look back."
You think it can't get any worse for you, but then you met a little girl who's about the same age as you.
Maybe she's the one? To light your darkest hour...