A new and deadly breed of covert agent walks the streets. Known as Contractors, these assassins and spies wield bizarre supernatural powers. They thrive in the underworld, between rumor and reality, their loyalties always in question. One among these operatives is more mysterious than the rest: the masked killer BK201, the Black Reaper. His path weaves through the shadows and alleys of Tokyo, and blood is spilled on both sides of the law.

A new and deadly breed of covert agent walks the streets. Known as Contractors, these assassins and spies wield bizarre supernatural powers. They thrive in the underworld, between rumor and reality, their loyalties always in question. One among these operatives is more mysterious than the rest: the masked killer BK201, the Black Reaper. His path weaves through the shadows and alleys of Tokyo, and blood is spilled on both sides of the law.

Kirihara watches with frustration as the violent rogue boldly makes his mark on the turf she's supposed to protect, from the blood-soaked gutter to the artificial stars high above Tokyo. The cop may feel helpless to catch anything but his aftermath, but Kirihara has never been one to give up. And the Black Reaper is much closer than she could possibly know.