Because of you - SF9 HWIYOUNG VAMPIRE FANFIC

Y/N's boyfriend is Hwiyoung. They been in love for as long as anyone can remember but all of a sudden when he starts cheating on her without an explanation, one day he goes missing out of the blue yet to be found. Inseong one of Hwiyoung's friend finally confesses a dark secret of who HwiYoung really is to Y/N. Is she...