Invisible Love (Michael Clifford au)

Charli-Alex Exton is just a normal girl.
Except her dad left her when she was just a mere age of three, her mum's an alcoholic and she self harms, really bad.
This is until she meets Michael Clifford.
They meet and everything changes.
There is something mysterious that Charli-Alex wants to find out about Michael though. Will she ever find out?
While she's trying to find out this secret, they also learn about each other and soon figure out other things that ordinary people just won't understand.