Code Geass, Volume 1: Lelouch of the Rebellion (Paperback) by Majiko, Ichiro Okouchi, Goro Taniguichi

In the year 2010, the Holy Empire of Brittania declared war on Japan. Powerless to stop them, Japan surrendered in less than a month. Freedom was lost and Japan was renamed "Area 11" and its people became known as "Elevens." Lelouch is a Brittanian and his friend Suzaku, born an eleven, has achieved the status of honorary Brittanian. As a boy Lelouch vowed to crush his own government, but now seven years later and in high school, he's accepted that he can't change anything. That is until he meets a mysterious girl that gives him the power to control people's minds - the power of Geass He dons a mask and becomes the ruthless terrorist known only as Zero, destroying any who might stand in his path - including his boyhood friend Suzaku