Darker than Black (2007) is a Animation, Action & Adventure, Sci-Fi & Fantasy, Mystery series that follows ten years ago, a mysterious spatial anomaly now known as "Heaven's Gate" appeared in South America, shortly followed by the opening of "Hell's Gate" in Tokyo altering the sky and wreaking havoc on the landscape. The real stars disappeared, replaced by false stars. During this time, people possessing various special abilities — called "Contractors" — emerged, each capable of different supernatural feats. Following the disastrous Heaven's War, the United States lost its dominant position as a superpower to a mysterious organization named the Syndicate. The story revolves around a Chinese contractor codenamed "Hei" as he undertakes various espionage and assassination missions in Tokyo. Darker than Black is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 7.6 out of 10 from 246 votes. Fans of animation series may also want to explore similar titles below.