Subaru Sumeragi is a powerful medium and exorcist (Onmyouji) who must deal with all the strange happenings in Tokyo city. He is hired to find out the cause behind the many accidents which seem to have plagued a major construction site, as all the top executives in the company are being killed one after the other. Later Subaru witnesses a murder in a subway, and teams up with Mirie, who has the power of post-cognition in an attempt to stop the serial killer. Her psychic ability to 'see' the recent events surrounding any object she touches makes her the target of the psychotic serial killer loose in the Tokyo subways.

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