Tensions boil over in the Special Administrative Zone as Euphemia’s dream of peace is crushed by Britannia’s cruelty. Schneizel, torn between loyalty to his sister and obedience to Emperor Charles, receives a chilling order—to annihilate the very Zone Euphemia built with hope. Days later, Britannian forces descend upon the SAZ, turning it into a blood-soaked battlefield.

As chaos erupts, A.A. witnesses the horror firsthand, defying orders to protect the innocent. Kallen and Suzaku—once enemies—fight side by side in the Guren and Lancelot, their mechs cutting through waves of Sutherlands as blood stains the streets. When all seems lost, Zero and the Black Knights arrive, vowing vengeance.

In the aftermath, Euphemia—her Geass influence broken—swears allegiance to Lelouch. Together with Suzaku, Kallen, and the Black Knights, they unite under a shared resolve: to bring down Britannia and avenge the massacre of millions. Yet even in victory, the weight of loss lingers, and Lelouch knows this atrocity marks the beginning of a far darker war.

Theme: Betrayal, tragedy, and the birth of a revolution against an empire that values power over humanity.