Judge

It is believed that to consume the flesh of a mermaid, means that you will never show signs of age, and live forever. However, many cannot handle its taste and become demons for eternity. Towa is a woman whose thirst for this flesh consumes her, as she was made only partially immortal by drinking the blood of a mermaid years ago. Unable to cast her demons aside, she destroys everything in her path on a search for this legend.

Koshigaya and Komada are professors by day, but at night, they are Bio Hunters. Their mission? Hunt down people infected with the ellusive Demon Virus, and destroy it. Things become complicated when the two become entangled with the fate of Sayaka, a woman whose grandfather is a famous psychic. With powerful enemies on their trail, they must find Sayaka's lost relative to hear his prophecy, or die trying!

In the streets of Tokyo, demons run rampant, silently killing and possessing innocent citizens against their will. Meanwhile, in one local high school, the once ridiculed computer loving Akito Kobayashi has returned, armed with the knowledge to summon the greatest demon of them all, Oze, to destroy all of humankind. Along with Takehiko Kuki and Marika Kusaku, spiritual ninjas that have spanned centuries protecting the gods, one man must fight to stop the evil god from resurrecting, before it's too late...