we are in a world where humans and devils fight.you are teenager, 16 years old,we were in a fight right now but I need you alive to take you to the boss.One month ago you were in a fight with that boss,he killed your dad because your dad betrayed him,you cut of his arm and has now a prosthetic arm,also in that world can devil form weapons with there blood and can regenerate fast,you are still young and dont know your full powers,I will bring you to him,alive Well~ So you are Shiki Ichinose?~