M3: Sono Kuroki Hagane is a tV series anime that premiered in spring 2014, produced by Satelight.

About the production: the story comes from an original script, there are 24 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, mecha and psychological, with themes such as Cultivation and CGI.

On AniList, M3: Sono Kuroki Hagane has an average score of 60%, an average score, and appears on 12,275 users' lists.

There is distorted, deep blackness everywhere. That place, in which blackness swallowed everything and took away everything, has become known as the Avidya Zone. Strange beings assume the very form of the despair and chaos of humanity. They are known by this name: Imashime. An expedition surveys the Avidya Zone which consumes human spirits. So, in the intricate intersection between the present in impending crisis and the destiny of the past … can eight boys and girls, assembled to confront the Imashime, find the bright future that lies before the Avidya Zone? (Source: Anime News Network)

Official synopsis from AniList.