Darker than Black is a tV series anime that premiered in spring 2007, produced by bones.

About the production: the story comes from an original script, there are 25 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, mystery and sci-fi, with themes such as Super Power, Anti-Hero, Noir and Crime.

On AniList, Darker than Black has an average score of 77%, a very good score, and appears on 179,779 users' lists.

The franchise continues in or follows from: DARKER THAN BLACK: Kuro no Keiyakusha - Sakura no Hana no Mankai no Shita.

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)

Official synopsis from AniList.