Akira, the main character, is a detective who tries to find superior races, kill them and bring justice. However, the Sorcerer and his sect are trying to bring back an ancient ruler by a demonic way in order to glorify the superior races. Akira sees the potential of high school student Eto Yourichi and trains him as his own student, preparing him for a great war. A series about the war life of Eto and Akira, who are preparing for the great war.