Euphemia li Britannia is a supporting character in the anime series Code Geass: Hangyaku no Lelouch. She is the Third Princess of the Britannian Imperial Family and the younger sister of Lelouch vi Britannia. Euphemia is known for her kind-hearted and compassionate nature, often seeking peaceful solutions to conflicts. Her idealism and desire to create a world without war lead her to establish the Special Administrative Zone of Japan, a decision that tragically results in unintended consequences. Her character plays a pivotal role in the series, influencing significant plot developments and the actions of other characters.