Mato Seihei no Slave

As his school days draw to an end, Yuuki Wakura worries about his future. While lamenting the prospect of living an ordinary life, he is suddenly drawn into the world of Mato: an alternate dimension filled with dangerous monsters called Shuuki. Over the years since the existence of Mato was first confirmed, incidents of people accidentally wandering into the other world have become commonplace. To combat the threat of the Shuuki and rescue victims like Yuuki, the all-female Demon Defense Force was established. Its members have been blessed with the power of "Peaches"—Mato fruits that grant supernatural abilities only to women.

Though Yuuki's situation is dire, he is saved in the nick of time by Kyouka Uzen, the chief of the Demon Defense Force's seventh unit. Despite Kyouka's impeccable skills in battle, she has long been held back by her Peach-granted ability, Slave. Slave allows Kyouka to put a living being under her control and draw out its strength, but the Shuuki that she had enslaved until now had all proven to be exceedingly weak.

When Yuuki and Kyouka become surrounded by a horde of Shuuki, Kyouka resorts to something she has never tried before: using her ability on a man. To her surprise, Yuuki's slave form is much more powerful than she could have imagined. Believing the young man to be the key to unlocking her true potential, Kyouka invites Yuuki to join the Demon Defense Force—but not as a regular member.

[Written by MAL Rewrite]

Uzen, Kyouka Main

Kitou, Akari Japanese

Azuma, Himari Main

Miyamoto, Yume Japanese

Suruga, Shushu Main

Hino, Mari Japanese

Wakura, Yuuki Main

Hirose, Yuuya Japanese

Ookawamura, Nei Main

Tachibana, Hina Japanese

Izumo, Tenka Supporting

Uchida, Maaya Japanese

Shikoku Supporting

Morino, Mako Japanese

Wakura, Aoba Supporting

Kusunoki, Tomori Japanese

Azuma, Yachiho Supporting

Hieda, Nene Japanese

Yuno, Naon Supporting

Hidaka, Rina Japanese

Watase, Shouta Producer

Itou, Hirofumi Producer

Watanabe, Yuuki Producer

Kashimura, Emi Producer

Reviews

Mar 14, 2025

bimbo-nin

Recommended

I think the most refreshing thing about this series is that its lead is not some loser schmuck getting wish fulfillment. The premise definitely feeds into the kind of femdom vibe of the series overall with the protagonist being skilled at housework and boys generally being expected to support their wives who might fight against the demons. Another highlight is how the more serious parts of the story seem to be handled with some care. I found myself genuinely interested at the internal politics of the defense forces, and some of the secrets beneath the surface. At the end, I wanted to see how things ... turn out for the characters and whether or not they can successfully handle the challenges they were dealt at the finale. It's not a masterpiece by any means, but it's charming how they transformations seem to be tailor-made to fit a kid's show that sells toys rather than a horny action series. I had fun and the pervy stuff is well done, with the women always taking the lead and sometimes calling the protagonist disgusting in a way that feels great to watch.

So we have a wholesome boywife in a harem of women, some of whom like to get pushy and possessive over him. It's a fun, horny time!
This definitely isn't for everyone, and some of the ways that the women are sexualized cut against the overall femdommy themes that we start out with, but taken together, it's enjoyable for perverts who are into that sort of thing. If the young men out there take one thing away from this series, I hope you learn to cook and clean. ( ͡° ͜ʖ ͡°)

Reviewer’s Rating: 7

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Mar 6, 2025

boyotaku12345

Mixed Feelings

In my opinion, the animation quality falls short, particularly during CGI scenes, which appear poorly integrated and lack cohesion. However, this was somewhat tolerable as my primary interest was the fanservice and harem elements. While these aspects are present, they are unfortunately not as abundant as I had hoped. This was disappointing, as certain scenes held great potential but were either not emphasized enough or rushed through too quickly.

The inclusion of blood and serious moments was also a drawback for me, albeit to a lesser extent. Personally, I feel that fanservice and serious, blood-driven scenes do not blend well together. These moments disrupted the overall ... mood and detracted from my enjoyment.

Moreover, I felt the show struggled to execute its key aspects effectively. The lore and themes were intriguing but insufficiently explored, and the fanservice was not prioritized or given adequate screen time. Despite these shortcomings, I plan to watch the second season, primarily for the fanservice, and I hope it offers a greater focus on this aspect in the future.

Reviewer’s Rating: 5

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Jan 1, 2025

McGuy281

Not Recommended

What is truly disappointing about this show is I really had high expectations for it. The premise seemed very interesting and the kind of original as well, and even seem to have some decent production value behind it.

Now that I have actually watched it, I am sad to say I was slowly disappointed. Not to sit here and complain all day I will sum it up by saying pretty much every character in the show is completely irredeemable and extremely annoying. The MC is probably the only character who is kind of okay, however he has absolutely no spine and never grows one. He ... acts all embarrassed during any scenes for the "rewards" or otherwise indecent moments. However, during the duration of the show he never becomes accustomed to it and continues to act surprised at every opportunity without becoming bold.

All the women in the show are completely despicable. They are all completely annoying to no end and full of themselves to the point I wonder if they were going to burst open. They all have great abilities and skills, but if you think about it for 2 seconds, they are stupidly dressed, overly pampered, completely self-righteous idiots who literally got their abilities by EATING A FRUIT and proceeding to act strong and as if they deserve to be showered with praise.

I have many other complaints but the plot is my other concern I will mention here. Far too much time is wasted on fan service and pointless moments, and the show is never allowed to proceed. We are never given a history on why these demons are invading Earth, where they come from, how long they've been there, and why they have to put a bunch of girls dressed in stupid military outfits who live in full-on resorts in the middle of this demonic world. Near the end of the show they tease there is going to be more, but it does not leave you wanting anymore and just thankful that it's finally over. I truly hope this does not get continued as it has no need for it.

TL;DR This is a poorly disguised harem anime with unlikable characters, terrible plot, and no real purpose or progression. Had it taken itself more seriously, it would be substantially better.

Reviewer’s Rating: 4

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North American Anime & Manga Releases for February

Here are the North American anime, manga, and light novel releases for February. Week 1: February 4 - 10 Anime Releases Mato Seihei no Slave (Chained Soldier) Comple...read more

Feb 1, 3:29 PM by Aiimee | Discuss (2 comments)

'Mato Seihei no Slave' Second Season Announced

The official website for the Mato Seihei no Slave (Chained Soldier) television anime series announced on Saturday that a second season is in production. The website ...read more

Mar 22, 2024 9:09 AM by DatRandomDude | Discuss (24 comments)

	Poll: Mato Seihei no Slave Episode 12 Discussion ( 1 2 3 ) Stark700 - Mar 21, 2024	116 replies	by bimbo-nin »» Mar 14, 5:14 PM
	Who is your best girl? Ramir0 - Jan 12	38 replies	by EcchiGodMamster »» Mar 13, 10:50 PM
	Is the anime an accurate adaptation to the manga? shqrin - Mar 5	7 replies	by EcchiGodMamster »» Mar 13, 10:48 PM
	Poll: Mato Seihei no Slave Episode 2 Discussion ( 1 2 3 4 ) Stark700 - Jan 11, 2024	187 replies	by animefanftw123 »» Jan 6, 5:08 AM
	Poll: Mato Seihei no Slave Episode 1 Discussion ( 1 2 3 4 5 ... Last Page ) KANLen09 - Nov 23, 2023	254 replies	by HyperV »» Nov 23, 2024 12:23 AM