
A quiet night. Darker than Black: Kuro no Keiyakusha (Darker than Black: The Black Contractor) is a TV series from Spring 2007 by Bones Inc.: 25 episodes, about 10 hours in total, finished, 8.16/10 across the listing sites.
Watching it together: a quiet night. Tagged psychological, tragedy and not comedy: this wants attention and the right mood, not background chatter. Rule: heavy drama or psychological tags without comedy → quiet night.
This verdict comes from rules over the title's format, length and tags, not from a review — the rule that fired is named above.
Data from anime-offline-database (ODbL) as of 2026-07-04; the score is the median of the scores the anime listing sites give it, on a 1–10 scale. Also listed as: DARKER THAN BLACK -Black Contractor-; Darker Than Black.
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Queue Up is a free tool: enter two AniList usernames and it ranks the anime you both want to watch, rolls one for tonight, runs a bracket to settle it and finds new anime that fit both of you. List data from AniList; title data: anime-offline-database (ODbL), dataset of 2026-07-04; page updated 2026-07-04. Not affiliated with AniList or MyAnimeList. Queue Up is a Somebody Decide program. How it works · Legal & privacy · All lists