From FUNimation Productions, Inc.! Ten years ago, an inscrutable and abnormal territory known as Hell's Gate appeared in Tokyo, altering the sky and decimating the landscape. During this time, people emerged possessing powerful paranormal and psychic abilities. Kept secret from the populace, these individuals, known as Contractors, are permitted to murder in cold blood! Various nations around the world use Contractors as spies and agents, often resulting in violent battles for information. 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.
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Darker Than Black>