The story takes place several years after Lelouch's "Zero Requiem" plan. He gave up his life to save the world and protect the ones he loved. The day Lelouch vi Brittannia fell was the day this war-torn world found peace.
Thambi
Digimon Adventure tri. Part 1: Reunion
Eden of the East Movie I: The King of Eden
Code Geass: Lelouch of the Rebellion – Transgression