Tells the story of what happened to Yin and Hei between the first and second series.
Synonyms: Darker than Black: Ryuusei no Gemini Specials, Darker than BLACK 2 OVA, DTB
Jan 27, 2010
to Jul 21, 2010
Season: Winter 2010
Duration: 24 minutes
External Links: MyAnimeList
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