X, also known as X/1999 and X: The Movie, is a 1996 Japanese animated film directed by Rintaro and animated by Madhouse. Rintaro wrote it alongside Clamp head writer Nanase Ohkawa. It is based on Clamp's manga series of the same name. It premiered on August 3, 1996, in Japan and had a limited screening in North America in 2000. The film focuses on the roles Kamui Shiro, Kotori Monou, and Fuma Monou play in the Apocalypse. After his mother's death, the young Kamui returns to Tokyo to participate in a Holy War between two groups who seek to either protect mankind or protect nature at the cost of mankind.
Rintaro was approached by Kadokawa Shoten to direct this movie and worked with Ohkawa, Clamp's head writer, to create a self-contained story with a style and atmosphere that might be accepted by the viewers. The film's theme song is "Forever Love" by X Japan, composed by Yoshiki. The film was released in both VHS and DVD format.
Critical response to the film was generally positive, with critics praising the story, visuals, and fight choreography.
Plot
After his mother dies to create a "Sacred Sword" to seal it into his body, a young man named Kamui Shiro goes back to his hometown Tokyo to understand his fate. As he arrives, he learns of a current war between two factions known as the Dragons of the Heavens and the Dragons of the Earth who seek the survival of mankind and nature, respectively.