Historia
Tells the story of what happened to Yin and Hei between the first and second series.
Sinopsis vía AniList (en inglés).
Finalizado
Darker than Black: Origins
ActionMysteryPsychologicalSci-Fi
Tells the story of what happened to Yin and Hei between the first and second series.
Sinopsis vía AniList (en inglés).