Subaru is investigating the death of of a enemy, Kaneyama but before he died, he undertook a project, which was how to teach seven teenage girls how to use black magic to get revenge on people they don't like, but when one of the girls feels remorse, she is told by the other girls to continue with the black magic. Subaru tries to stop them but the girls think that he is their enemy and put a curse on him.

A short prequel to the theatrical X movie, consisting of four music videos.

In the year 1999, darkness looms over the world as a powerful enemy threatens to bring about the end of the world. X, a teenage boy with a special power, must gather a group of warriors to fight against this darkness and save humanity. With the fate of the world at stake, X and his team must confront their own demons and make sacrifices in order to protect what they hold dear.

The story is focused on the future as seen by Kuzuki Kakyou, the dreamgazer of Dragons of Earth, as he remembers the life and death of a remarkable young woman whom he met in his dreams. He also recounts his dreams of a tragic future in which the fate of the earth will be decided.