Safe and Sound ErenxReader

It all started with a girl named (Y/N) Kirstein at recruit camp, standing by her brother Jean Kirsten. Both of them made it in the top ten and (Y/N) was number six and her brother was number seven. Everything was ok until a certain turquoise eye teen boy came along. ~.~.~.~.~.~.~.~.~.~.~.~.~.~ Hai~ guys I don't own an...