Mato Seihei no Slave, the battle shonen manga with a nearly all-women cast by Akame ga Kill's author is getting an anime adaptation. A teaser trailer, key visual, and main cast information were revealed.

Mato Seihei no Slave is set in an alternate reality of our modern world where a parallel dimension called Mato was discovered. Special peaches grow in Mato, and the women who eat said peaches are granted superpowers. Triggering a societal switch to matriarchy. From Mato can also emerge powerful monsters, the Shuki, so the strongest women with the strongest abilities have been assigned to various squadrons inside Mato to guard the human world against invasions.

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Mato Seihei no Slave anime announced with SevenArcs studio, main cast, trailer and key visual

The protagonist of Mato Seihei no Slave is Yuki Wakura voiced by Yūya Hirose. Yuki can transform into a Shuki and be used as a battle slave by Kyoka Uzen, the main heroine voiced by Akari Kitō.

He ends up joining Kyoka's squad and meeting various other squad members and leaders. Some of them fall in love with him since this is also a harem ecchi series, with several fanservice scenes. Whenever Kyoka uses her ability to fight together with Yuki as a slave, she needs to give him a "reward" afterward.

Mato Seihei no Slave is overall a much more classic battle manga than Akame ga Kill, written by the same author Takahiro. Personally speaking, I believe it's much better than Akame Ga Kill, leaving behind its exaggerated edginess. Though it's not without flaws either. Like how the initial worldbuilding about women ruling society is completely unused seeing most of the action takes place in Mato anyways. It's an okay shounen overall.

Note that Mato Seihei no Slave has a different artist than Akame Ga Kill, it's drawn by Youhei Takemura, who previously did Nightmare Funk.

Release date estimate, predictions

The press release has no release date, and the trailer uses panels from the manga, so I wouldn't expect the Mato Seihei no Slave anime before late 2022 or so. There are 9 volumes of the manga out so far, and if the series ends up being two cours, it's possible it'll adapt all the manga till now.

Mato Seihei no Slave started back in 2019 and is published every two weeks on the Shounen Jump + app. Surprisingly the series isn't licensed in the US yet, but I wouldn't be surprised if it got announced in these next few months now that an anime was announced.