Explore the tragic life of Terios Kiyomizu as he deals with knowing that his very existence was a mistake. Find out what it means to be a Nephilim and the trouble that follows it. Watch as Terios makes choices that changes people's lives for good and how the existence of Nephilim cause Japan to be the battleground of a war between good and evil. Witness breath taking battles that are filled by intense emotions and strong ideologies that'll make you question which side to root for. Stand by Terios as you witness his destiny unfold, and watch as he undergoes his metamorphosis. Making the ultimate choice to save humanity or forsake it. After all are we really worth saving?