Shinya Kitade

Many centuries ago, man's Armageddon gave birth to the vampires' wrath. As man and immortal clash, a reality-shattering threat looms. Hope resides solely in a new breed of hunter operating under the Vatican's authority. The true battle between holiness and evil has begun.

Denizens of Lux have come to call it "The City" and treat it as a sentient force. Three factions vie for control of the city: the Organo, a strictly professional conglomerate with ties to the criminal underworld in the prosthetics business; the Union, a fanatical populist group interfering with Organo's affairs; and Racan, a marauding group of Texhnolyzed youths.

Narumi, who has an aggressive personality, stabbed her colleague and went to prison. After serving her time, Narumi is released and goes back to her hometown where she grew up. Narumi goes to her younger brother Kei's home. At a young age, their parents died in a accident and Kei is the only one left Narumi can rely on. After Narumi sees Kei and his girlfriend Kana living together happily, Narumi decides to take her brother back. Narumi reveals a secret between her and Kei.