X²: Double X

X²: Double X is a collection of four music videos that act as a prequel to the theatrical release of X. Produced by Madhouse, this animated film showcases the artistic style and thematic elements typical of the X franchise.

As a piece of the X (Clamp) Collection, X²: Double X holds significance for fans of the series. Its music and animation provide insight into the world of X, enhancing the narrative for those familiar with the theatrical film.

Collectors of anime and music videos from the 1990s will find this title interesting. It represents a specific era in animation, marked by the pioneering work of Madhouse and the distinct storytelling of Clamp.