Ranked #220

Darker than Black: Kuro no Keiyakusha

Alternative Titles

English: Darker than Black
Synonyms: DTB
Japanese: Darker than BLACK -黒の契約者-


Type: TV
Episodes: 25
Status: Finished Airing
Aired: Apr 6, 2007 to Sep 28, 2007
Premiered: Spring 2007
Broadcast: Unknown
Studios: Bones
Source: Original
Duration: 24 min. per ep.
Rating: R - 17+ (violence & profanity)


Score: 8.291 (scored by 200,129 users)
Ranked: #2202
Popularity: #35
Members: 365,774
Favorites: 11,155
1 indicates a weighted score. Please note that 'Not yet aired' titles are excluded.
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.


It has been 10 years since Heaven's Gate appeared in South America and Hell's Gate appeared in Japan, veiling the once familiar night sky with an oppressive skyscape. Their purposes unknown, these Gates are spaces in which the very laws of physics are ignored. With the appearance of the Gates emerged Contractors, who, in exchange for their humanity, are granted supernatural abilities.

In the Japanese city surrounding Hell’s Gate, Section 4 Chief Misaki Kirihara finds herself at odds with an infamous Contractor codenamed Hei. Called "Black Reaper" in the underground world, Hei, like his associates, undertakes missions for the mysterious and ruthless Syndicate while slowly peeling back the dark layers covering a nefarious plot that threatens the very existence of Contractors.

From the mind of Tensai Okamura comes a sci-fi thriller taking the form of a subtle exposé on a war in which political positions and justice have no sway—a war waged exclusively in the shadows.

[Written by MAL Rewrite]


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Related Anime

Characters & Voice Actors

Irino, Miyu
Irino, Miyu
Kiuchi, Hidenobu
Kiuchi, Hidenobu
Fukuen, Misato
Fukuen, Misato
Sawaki, Ikuya
Sawaki, Ikuya
Kirihara, Misaki
Kirihara, Misaki
Mizuki, Nana
Mizuki, Nana


Cook, Justin
Cook, Justin
Harp, Clarine
Harp, Clarine
Okamura, Tensai
Okamura, Tensai
Director, Series Production Director, Original Creator
Furumoto, Mayuko
Furumoto, Mayuko

More episodes Episodes(25/25)

Episode Title Aired
1 The Fallen Star of a Contract... (Part 1)
Keiyaku no Hoshi wa Nagareta... (Zenpen) (契約の星は流れた… (前編))
Apr 6, 2007
2 The Fallen Star of a Contract... (Part 2)
Keiyaku no Hoshi wa Nagareta... (Kouhen) (契約の星は流れた… (後編))
Apr 13, 2007
3 A New Star Shines in the Dawn Sky... (Part 1)
Shinsei wa Shinonome no Sora ni Kirameku... (Zenpen) (新星は東雲の空に煌く… (前編))
Apr 20, 2007
4 A New Star Shines in the Dawn Sky... (Part 2)
Shinsei wa Shinonome no Sora ni Kirameku... (Kouhen) (新星は東雲の空に煌く… (後編))
Apr 27, 2007
5 Red Giant over Eastern Europe... (Part 1)
Saiyaku no Akaki Yume wa Touou ni Kiete... (Zenpen) (災厄の紅き夢は東欧に消えて… (前編))
May 4, 2007

Opening Theme

#01: "Howling" by Abingdon Boys School (eps 1-14)
#02: "Kakusei Heroism ~The Hero without a Name~" by An Cafe (eps 15-23, 25)

Ending Theme

#01: "Tsuki Akari" by Rie Fu (eps 1-14)
#02: "Dreams" by HIGH and MIGHTY COLOR (eps 15-24)

Write a review | More reviewsReviews

Nov 7, 2007
Darker than Black, what an adventure it has been. Darker than Black takes place in a near future world where two gates appeared, Heaven's Gate and Hell's Gate. The mysterious appearance of these gates brought with them the Contractors. Contractors are people who have entered into a contract with an unknown force and gained a unique power in return. The nature of the contract however requires them to give back each time they use their power. Payment is anything from smoking a cigarette to writing a poem. The main story is told through an omnipotent point of view with the "camera man" being at the read more
I found this review Helpful
Apr 17, 2008
Ah, the age old question; what to do when certain people suddenly begin manifesting mysterious superpowers. Darker than BLACK responds with a classic solution found in series ranging from Witch Hunter Robin to X-Men: Form secret organizations to monitor and control these people. However, despite the similar theme, this show is anything but derivative.

In the beginning of the series, the premise of the show is somewhat vague as little is known about where the powers of the contractors come from, or how they are related to the gates. As the series progresses more information is inevitably revealed, creating good plot exposition and allowing the story read more
I found this review Helpful
Mar 8, 2015
Cool ass Japanese Batman protagonist in a Gotham-esc neo noir setting?

A city overrunned with nifty characters that have x-men like powers?

Nice mysterious world lore with strange concepts?

A clearcut definitive answer to ALL of these "mysterious" concepts?
Don't hold your breath.

Watching Darker than Black is like slowly going up the rails of a roller coaster ride. With each climb further up the slope it becomes even more intense. You prepare yourself what you expect to be a great ride. Something worth the slowly steady ascend to the top. But when you finally get there nothing happens, the ride ends and you're left scratching your head.
Long read more
I found this review Helpful
Dec 10, 2014
What format is best for telling a story of an anime series; a narrative format that’s episodic or a format that has a continuing story from beginning to end? It honestly depends on who or what story is trying to be told if any at all. While episodic is easier to get into since the format can be better use for just entertainment. Thus you can eliminate the need of continuity, making it favorable for anyone to just jump into the series at any point. An overarching story on the other hand can build up to a greater or more disappointing outcome depending on the read more
I found this review Helpful


Anime: Phantom: Requiem for the Phantom
Darker than black, combined with a few "American hitman movies" like Bourne, Leon, Wanted... would get you Requiem for the Phantom,
as both main characters are assassins working for a crime Syndicate.
reportRecommended by aswani
Anime: Black Cat
Both have action. However, Darker Than Black has a bit more deep story line. Black Cat adds some humor into the mix up.  
reportRecommended by MisterYoda
Anime: Cowboy Bebop
It shares a lot of the same themes and the main characters are somewhat similar. Both are unable to forget their past and move forward. The most obvious is the the style and the music as well.  
reportRecommended by teletha
Anime: Witch Hunter Robin
Let's just say Darker Than Black is much grittier and darker, and there are nothing assumed. It's also more intelligent and you can't find any over used cliche at all. If Witch Hunter Robin was an excellent show for you, then Darker than Black will be a superior show for you. 
reportRecommended by rayyhum777
Anime: Death Note
Both are about how the people who have powers use them in the right and clever way to outdo their opponent, and not that if one person has a slightly better power that he wins by default or something like that. They both have that detective vs. plotter, and also they both have that mid-episode cliffhanger where you really have no idea how they would solve or handle the solution, but then they come with the most awesome things that you really never would have thought of. PS: they're both very good animes by default, you should watch them both anyway. 
reportRecommended by tsunande
Anime: Higashi no Eden
Both of them have this mysterious feel around the plot and characters working behind the scenes for a larger vision.  
reportRecommended by Metictype

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