Long ago, the Great Mother Spirit created demons, guardians, and humans. In 2089, in Neo-Shinjuku, only a few demons and guardians remain. Tsunami Shijyo is an ancient (fire manipulating) guardian from days long ago to aid a fledgling human race. Tsunami is looking for a human that was transformed into a monster by drugs. This leads him to Mr Takaiya, the Demon leader, whom killed his lover.

Tsunami becomes involved with a woman who has just lost her fiancé and her arm and now wants to figure out why this has happened. Meanwhile the Daemon leader is still alive and plotting to enslave mankind. Will Tsunami defend earth once again or be corrupted as two other guardians have been by the Daemon leader