The story takes place in 1999. The end of the world is fast approaching as superhuman individuals gather and take sides in the city of Tokyo, the battle site of Armageddon. The series follows Kamui Shiro, a young man who returns home to Tokyo after a six-year absence to protect those dearest to him and fulfill his mother's dying wish. X is Kamui's heroic journey,[4] where the narrative places an emphasis on his choices and how they affect the world around him as he attempts to reconcile his roles as savior and destroyer
