Tells the story of what happened to Yin and Hei between the first and second series.
Darker than Black OVA BD Subtitle Indonesia
Synonyms: Darker than Black: Ryuusei no Gemini Specials, Darker than BLACK 2 OVA, DTB
Japanese: Darker than BLACK -黒の契約者 外伝
Status: Finished Airing
Aired: Jan 27, 2010 to Jul 21, 2010
Producers: Square Enix
Licensors: FUNimation Entertainment
Genres: Action, Mystery, Sci-Fi, Super Power
Duration: 24 min. per ep.
Rating: R – 17+ (violence & profanity)