あらすじ
Tells the story of what happened to Yin and Hei between the first and second series.
あらすじはAniListより（英語）。
完結
Darker than Black: Origins
ActionMysteryPsychologicalSci-Fi
Tells the story of what happened to Yin and Hei between the first and second series.
あらすじはAniListより（英語）。