In the cyber city of New Babylon, legendary human warrior Kane voluntarily surrendered to the Iron Blood Council to save the mysterious girl Ella. After seven days of human experimentation, he was killed by the executioner Rex. However, Kane's consciousness was reborn into the body of the slum boy Noah. In order to seek revenge, he began to transform his body and constantly became stronger in the pursuit of the underground black market, mechanical gangs, and Iron Blood Council. As the investigation deepened, Kane discovered that Ella was not an ordinary girl, but a living key that could unlock the "door to creation". Behind the door is sealed the ultimate war weapon left over from the old era - the Cyber God suit "Tyrant Armor". The Iron and Blood Council is just a pawn, the real manipulator of war and resources is the Tyrant Council hidden behind the Neutral Alliance. After constantly battling Rex, Kane finally killed him in episode 40, revealing the biggest secret of Neo Babylon. In the end, Ella opened the door to creation, and Kane put on the tyrant armor that would gradually devour reason. Faced with the ultimate tyrant capable of destroying the city, he completed the final battle with his humanity and will, ending the war before going completely insane, becoming the last legend of Neo Babylon.
