Watch Code Geass: Lelouch of the Rebellion I - Initiation

Japan loses its independence and becomes the eleventh colony of the British Empire. Since then, the Japanese have been living in ghettos and no longer have any fundamental rights. In this explosive situation, Lelouch Lamperouge vows to destroy the British Empire. This goal is made possible by the Geass, a power that allows him to impose his will on anyone whose gaze he meets.