Darker than Black: Origins
DARKER THAN BLACK: Kuro no Keiyakusha - Gaiden
DARKER THAN BLACK -黒の契約者- 外伝
- Finished
- Special
- Winter 2010
- 4 episodes
- 24 min per episode
- AniList score
- 76/100
Synopsis
Tells the story of what happened to Yin and Hei between the first and second series.