YN Crane is a Survivor of Harran the city where a zombie outbreak happened the city was left to die YN went to the county side of Harran because there were rumors of people not turning even though they got bit then someone called a The Mother she was some kind of volatile hybrid YN didn't believe her bullshit then she made drink the virus after killing the mother YN turn into a Volatile but a different type of Volatile called the Nighthunter then after Harran was destroyed YN went to south korea the city of Seoul