Adopted by One Direction?! (A AU story)

Addi is a 17 year old girl her parents were killed in an accident when she was 10. One day after so many years of waiting someone finally adopts her and its not a husband and wife more like a group of guys. Will she see them as brothers or will she fall head over heels for one? read more to find out. Did i forget to mention Addi is a vampire.