Lelouch strengthens the anti-Brittanian force, the Black Knights, as the Masked Rebel ZERO, and Suzaku is appointed as the knight of the 3rd Princess Euphemia. The two men, who have strengthened their own strength, ushered in a turning point in their fate. Euphemia, the deputy governor of the 11th area, announced the establishment of the administrative district "Japan". The realization of the administrative district of Japan means the disappearance of the meaning of the existence of the Black Knights. In order to break this situation, Lelouch tries to meet with Euphemia. Be prepared for what you want to protect. The price of GEASS. A ray of hope and a long-standing ambition are turned upside down, which gradually accelerates the tragedy-