Dark Cat

Alternate titles: Yami no Shihosha Judge

Thinking of committing fraud? Embezzlement? Murder? Think again. Though crimes often slip through the cracks of the laws of man, the laws of the spirit world are not as forgiving. In the underworld, even the dead can request vengeance against those who have wronged them, at the hands of the Judge, the keeper of justice. Hot on the trails of a corrupt executive, the Judge realizes that the chain-of-command might be guilty as well, causing an investigation of deadly proportions...

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!

Kousaburo Kuki is a no-nonsense man's man who's good with his fists, and with the ladies. Currently residing in the seedy underbelly of Paris, his best friends are prostitutes and his life seems uneventful -- that is, until a friend is brutally murdered and he finds himself entrapped in a twisted nightmare of conspiracies and creatures of the night known as vampires. With the CIA and other organizations after the woman he is sworn to protect, Kuki must risk his life to find the truth, lest he end up dead from a vampire's bite!

At Juusei Academy, students are given the best education that money can buy… but there's a catch. Unknown to his classmates, the computer genius Akemi Nakajima has misguided plans to revive the demon Loki; and unfortunately for his classmates, teacher and new transfer student Yumiko Shirasagi, this requires plenty of sacrifices -- a job that falls to them. What Nakajima doesn’t know is that reviving Loki is the pretense for many demons to come, and that the fate of the world may lie in his and Yumiko's hands… if they survive long enough to defeat the ultimate evil!