
DARKER THAN BLACK: Kuro no Keiyakusha
In Tokyo, an impenetrable field known as "Hell's Gate" appeared ten years ago. At the same time, psychics who wield paranormal powers at the cost of their conscience also emerged. Hei is one of the most powerful of these psychic agents, and along with his blind associate, Yin, works for one of the many rival agencies vying to unlock the mysteries of Hell's Gate.
(Source: Anime News Network)
Darker than Black has 25 episodes.
As of now, Darker than Black has finished.
Darker than Black aired from April 6, 2007 to September 28, 2007.
Darker than Black is a TV series with episodes around 24 minutes long, originally from Japan.
Darker than Black premiered in Spring 2007.