Ranked #4144

M3: Sono Kuroki Hagane

Alternative Titles

Synonyms: M3: Sono Kuroki Tetsu, M3 The Dark Metal
Japanese: M3~ソノ黒キ鋼~


Type: TV
Episodes: 24
Status: Finished Airing
Aired: Apr 22, 2014 to Sep 30, 2014
Premiered: Spring 2014
Broadcast: Unknown
Source: Original
Genres: Action, Drama, Mecha, Sci-Fi
Duration: 24 min. per ep.
Rating: R - 17+ (violence & profanity)
L represents licensing company


Score: 6.741 (scored by 9,183 users)
Ranked: #41442
Popularity: #1238
Members: 31,976
Favorites: 44
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.


A distorted, endlessly black darkness.

The location where the dark swallowed everything and took everything from us has become known as the Lightless Realm.
Born there, as if they were mirror images of the despair and chaos humans felt, were aberrations.

They were called Admonitions.

An investigation of the Lightless Realm that eats away at the human psyche.
Can a group of eight boys and girls gathered in an effort to combat the Admonitions see the light of the future beyond the Lightless Realm, while their past destinies and dangerous present intertwine in a complicated web?

(Source: Daisuki)


No background information has been added to this title. Help improve our database by adding background information here.

Related Anime

Characters & Voice Actors

Isaku, Heito
Isaku, Heito
Murase, Ayumu
Murase, Ayumu
Taneda, Risa
Taneda, Risa
Hazaki, Emiru
Hazaki, Emiru
Hikasa, Yoko
Hikasa, Yoko
Saginuma, Akashi
Saginuma, Akashi
Inoue, Marina
Inoue, Marina
Matsuoka, Yoshitsugu
Matsuoka, Yoshitsugu
Izuriha, Sasame
Izuriha, Sasame
Koiwai, Kotori
Koiwai, Kotori


Sato, Junichi
Sato, Junichi
Okada, Mari
Okada, Mari
Script, Series Composition
Sakamoto, Maaya
Sakamoto, Maaya
Theme Song Lyrics, Theme Song Performance
Theme Song Performance

More episodes Episodes(1/24)

# Episode Title Aired
1 Starry Night
Fuhoshi no Yoru (降星ノ夜)
Apr 22, 2014

Opening Theme

#1: "Re:REMEMBER" by May'n (eps 1-13)
#2: "Replica (レプリカ)" by Maaya Sakamoto (eps 14-23)

Ending Theme

#1: "ego-izm" by la la larks (eps 1-13)
#2: "SABLE" by nano (eps 14-23)
#3: "Replica (レプリカ)" by Maaya Sakamoto (ep 24)

Write a review | More reviewsReviews

Oct 7, 2014
First of all, I'd like to say that the key to truly enjoying M3 is having an interest in a series that not only showcases sci-fi/fantasy elements but also has the tendency to go deep into the characters' psyche, exploring their personalities and how they came to be like that. I'd go beyond that and say it's not so much about the story but the journey these people go through and the very simple yet effective and truthful message it’s trying to convey about what connecting with others truly means.

Story 8/10

It starts really slow and sligthly confusing. I'd say this is the main downfall read more
I found this review Helpful
Feb 10, 2015
I do not know why people dislike this anime, or the amount of hate I get from people watching this, maybe because this is pretty slow-paced, so most watchers didn't continue to bother watching this series. First of all I'd like to say that watching this anime episode by episode will only bore us, and that's why I think most people dropped this show. Maybe they don't find it appealing enough, or because of the slow start, forgettable characters, and the mediocre animation. So I advise everybody who plans to watch this anime : WATCH THIS STRAIGHT.

The story is good, the synopsis explains that read more
I found this review Helpful
Oct 3, 2014
Ok, so I've just finish watching this 24 episode anime and quite frankly I have mixed feelings about it, so I'm gonna cut to the chase and just present my ratings for this anime:

Story: Decent 4.

The problem with the story was that it has too much in it that the plot and the story-line itself wasn't easily understood, especially when it has a mixture of sci-fi mixed with supernatural, in my opinion the two genres are like oil and water that don't mix, it also has a combinations of "SOMEWHATS" and SOME SORTS"and I do mean "SOMEWHATS." First of all there is that somewhat of read more
I found this review Helpful
Aug 20, 2015
It will be a short review:
I watched this a few monthes ago while I did see a bad rating for the score of the anime I don't see any explanation as to why (only one review tries and has a bad score)
If you want to watch this anime for action skip
If you want to watch it for a realistic story ( on the technology point of view) skip
To be blunt it goes well in depth on a psychological side, the characters if not too complex ( which would make the anime totally uninteresting because nothing would justify it, "normal" people don't have a really read more
I found this review Helpful


Anime: Shinsekai yori
They are both different from each other but somehow they both give off the same vibe and eerie atmosphere. One is set a thousand years in the future and the other in the present and the latest is mecha.

Both have a mysterious air about them and the characters in both are a group of students either friends or acquaintances.

I can't help but think that M3: sono kuroki Hagane will have a twist just like Shinsekai Yori did. 
reportRecommended by Malach_Hamavet
Anime: Neon Genesis Evangelion
What M3 does Neon Genesis Evangelion did before it and better. That being said, M3 has more characters and group dynamics, which is a worthy addition, while NGE was about loneliness, abandonment, and how they shape people and their choices.

On the other hand, while NGE's characterization is better and there are proportionally more adults, there are few "likeable" characters; M3 is a more typical genre anime with a larger cast with plenty of cliches which makes it easier to find someone to like. If this is an essential element for enjoying anime, Neon Genesis Evangelion might not be a rec for you. 
reportRecommended by Shinigamixz
Anime: Bokurano
Group of kids forced to pilot a mecha to fight some unconventional enemy, the enemy in both anime holds darker secret behind them. 
reportRecommended by millo
Anime: Innocent Venus
Both have psychological and dark undertones, mechs powered by humans and technology progressing by human experimentations. Honestly, identical shows. 
reportRecommended by Kosshi
Anime: A.F
Both are action mecha anime where people in machines fight monsters. Both have darker atmosphere than usual mecha anime. Archetypes Forces is 3D animated while M3: Sono Kuroki Hagane has classical animation. 
reportRecommended by abystoma2
Anime: Guilty Crown
The story's epidemic of human crystallization is almost the same and the story line has extremely similar characters and plot. Guilty crows has amazing animation and music to go along with it as well. A must watch if you enjoyed M3. 
reportRecommended by lavacomet

Recent News

Spring 2014 Preview

In this thread, you'll find a comprehensive list of Spring 2014 anime commercials (CMs) and promotional videos (PVs). This post will be continuously updated as more ...read more

Spring 2014 Simulcast List [Update 4/19]

Crunchyroll (All times are Pacific for premium users):Dragon Collection Territories: USA, Canada, UK, Ireland, Australia, New Zealand, South Africa, Denmark, Finlan...read more

Recent Forum Discussion

Poll: M3: Sono Kuroki Hagane Episode 3 Discussion ( 1 2 )
Stark700 - May 5, 2014
54 replies by Fortress_Maximus »»
Oct 20, 3:36 PM
Poll: M3: Sono Kuroki Hagane Episode 24 Discussion ( 1 2 )
Stark700 - Sep 29, 2014
59 replies by Yuriko »»
Oct 19, 11:33 PM