Secrets cant always stay hidden (Dance with devils x OC)

G- Hey guys me Galaxy here and were joi-
A-HIIIII
C-sup
G- Angle, Cat, i said to wait for when you were supposed to say that...
C & A- Sorry
G- Anyway lets get the Intro to the book done

Tomara was an angel ordered to take care of a girl named Amari. After an attack by vampires and her failure to protect them, Tomara became depressed and started self harm. Her family eventually found out and left her with no one. She then on decided to completely block out emotions and after that her wings once white turned black.
After five years alone besides the bullies at home, she finally makes it to high school. She still cuts and is void of emotions. But will a certain student council help her change that.