Code Geass: Lelouch of the Rebellion is a Japanese mecha anime series set in an alternate history where the Holy Britannian Empire has conquered Japan, renaming it Area 11. The story follows Lelouch vi Britannia, an exiled prince who gains the power of Geass and leads a rebellion against the empire under the masked identity Zero. The series blends political intrigue, military conflict, and psychological drama, and it became especially well known for its strategic battles and dramatic twists.