There was a girl named, Y/N. She has a perfect life and perfect family too, Y/N always gets her highest grades even she was special to her family. Y/N's family always loved her, no matter, what will happen to her. Y/N was walking home from college until she came across a book. She was surprised there was a book on the floor, Y/N looked around for who dropped the book. She picked the book up from the floor, when she opened it....... Everything went to darkness.