Darker than Black: Kuro no Keiyakusha Gaiden Darker than BLACK -黒の契約者 外伝 (Darker than Black: Kuro no Keiyakusha Gaiden)
Sci-Fi, Mystery, Super Power, Action Start Date:
2010-01-27 End Date:
4 Episode Length:
24 min Total Length:
96 min Age Rating:
R - 17+ (violence & profanity)
Tells the story of what happened to Yin and Hei between the first and second series.