supernatural story

Ace is no ordinary girl... she has powers which are very powerful. she is being hunted down by all the demons known under the command of asmodaus.
Henley is an angel. Ace's guardian angel to be exact. But when ace is born Henley is trapped by the angels. now free Henley asks the famous winchesters with their angel and nephilim to help him save Ace.
the rest you will have to wait and see...

(sorry it's my first proper story)
I own nothing only ace and Henley.