Darker than Black: Kuro no Keiyakusha Gaiden (Anime)

Names
Darker than Black: Ryuusei no Gemini Specials, Darker than BLACK 2 OVA, DTB, Darker than BLACK -黒の契約者 外伝
Genres
Action, Mystery, Sci-Fi, Super Power
Type
Special
Released
Jan 27, 2010

Tells the story of what happened to Yin and Hei between the first and second series.

Watch Darker than Black: Kuro no Keiyakusha Gaiden (Anime)