For years angels and fallen angels have fought one another over who will rule the three realms. Back and forth the war raged with the divine beings enlisting humans as allies and the fallen leading devils, beings born of their own magic blood. Satan, god of the fallen has grown tired of the lasting stalemate and has decided to create a new kind of devil from his own blood. In order to keep the infant devil from going out of control in the harsh weather, Satan orders him to be taken to the mortal realm to learn how to survive. Thus begins the tale of the young devil Mors' attempt to survive in a world that rejects his very existence. How will he avoid the humans that seek his death? And how will the encounters he makes shape the devil he becomes?