Bloody age ( a supernatural fanfic)

jennifer is a young girl of 17 wich has supernatural powers. the night she was born she was fed demon and angel blood. and slowly the demon blood is taking over her. she has no idea to stop this from happening. in the mean time he meets supernatural hunters sam and dean, whom get attached to her nd feel the need to protect her from harm.
while the demons want her for the war. the angels want her safe and make sure she doesn't lose herself from the right side...