Darker than Black Anime

A world of mystery, intrigue, and the unfathomable Contractors, Darker than Black follows the missions given to the Syndicate team consisting of Huang, Yin, Mao, and Hei as they dodge the police and carry out the orders of the Syndicate.

OVAs following Hei and Yin between seasons 1 and 2.

Darker than Black: Ryuusei no Gemini (Darker than Black: Gemini of the Meteor) is the sequel to the series' first season, Darker than Black. The second season focuses on a new protagonist and explores a new storyline while keeping the series' past characters present with supporting roles.