Oogi Takaya is a street-smart high school student, dedicated to protecting his best friend Narita Yuzuru. The two are wrapped up in an ancient war of darkness and tragedy, begun during Japan's chaotic Warring States Period. The psychic powers of long ago find new life in the hearts of Takaya and Yuzuru, but rival clansmen seek to destroy them. A "reboot" of the original novel series.