Mairimashita! Iruma-kun

Description

Welcome to Demon School. Hopeless pushover Iruma Suzuki has found himself in a devil of a predicament. His trashy parents have sold off his soul, and he now has to live and attend school in the Netherworld. But with his unique survival skills and doting demon grandfather’s support, Iruma will surely make it through this hellish experience. He’ll just need to subjugate rival classmates, summon familiars, and more, all while never revealing that he’s human. Easy as aleph, bet, gimel, right?

(Source: Kodansha USA)

Official English: Kodansha USA

Type

Manga

Houkago no! Iruma-kun (Spin-Off)

Mairimashita! Iruma-kun Gaiden (Side Story)

Mairimashita! Iruma-kun if - Episode of Mafia (Alternate Version)

Associated Names

Here's Come The Demon! Iruma Kun

Iruma Giá Đáo!

Iruma w szkole demonów

Iruma à l’école des démons

Iruma-kun en el instituto demoníaco

İşte Şeytan Geliyor! Iruma-kun

The Demon, Iruma-kun, Came and Enrolled!

Vào Ma Giới rồi đấy! Iruma-kun

Welcome to Demon School! Iruma-kun

Welcome to Demon School, Iruma-kun

Şeytan Okuluna Hoş geldin, Iruma-kun

Ось і прийшов демон! Ірума Кун

Приди же в Мир Демонов, Ирума-кун!

مرحبا بك ايروما كن في المدرسه الشياطين

इरुमालाई डिमन स्कूलमा स्वागत छ!

อิรุมะคุง ผจญในแดนปีศาจ!

入間同學入魔了！

入间同学入魔了

魔入りました！入間くん

마에 들어갔습니다! 이루마 군

Groups Scanlating

Latest Release(s)

c.395 by /a/nonymous 1 month ago

c.394 by /a/nonymous 1 month ago

c.393 by /a/nonymous 2 months ago

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Status in Country of Origin

43 Volumes (Ongoing)

Completely Scanlated?

Anime Start/End Chapter

Starts at Vol 1, Chap 1 (S1) / Vol 7, Chap 45 (S2) / Vol 11, Chap 95 (S3) / Vol 17, Chap 147 (S4)

Ends at Vol 7, Chap 44 (S1) / Vol 11, Chap 94 (S2) / Vol 17, Chap 146 (S3)

User Reviews

N/A

Forum

1 topics, 1 posts

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User Rating

Average: 8.4 / 10.0 (363 votes)

Bayesian Average: 8.24 / 10.0

29%

26%

23%

12%

Last Updated

June 2nd, 2025 1:27pm PDT - 2 weeks ago

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Genre

Adventure Comedy Fantasy Romance School Life Shounen Supernatural
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Categories

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Category Recommendations

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Mokushiroku no Yonkishi

Muhyo to Rouji no Mahouritsu Soudan Jimusho

Recommendations

Author(s)

Artist(s)

Year

Original Publisher

Akita Shoten

Serialized In (magazine)

Shuukan Shounen Champion (Akita Shoten)

Licensed (in English)

Yes

English Publisher

Kodansha USA (14 Volumes - Ongoing)

Activity Stats (vs. other series)

Weekly Pos #371

(-128)

Monthly Pos #692

(-95)

3 Month Pos #713

(+48)

6 Month Pos #718

(+113)

Year Pos #636

(+139)

List Stats

On 2653 reading lists

On 524 wish lists

On 26 completed lists

On 67 unfinished lists

On 336 custom lists

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Forum Posts Click to view the forum

'Welcome to Demon School, Iruma-kun' Manga Gets Spinoff

5 years ago

User Comments [ Order by time added ]

My kind of humor

by Keitorin
5 years ago

Rating: 7.0 / 10.0

I put off reading this for a long time because of the romance tag, but decided to try it out because I saw the anime on crunchyroll and was bored so gave it a try. I can't believe what I was missing out on.

So far from where I am, there is no official couple (EDIT there's an official main couple now), it's all about bettering oneself and others. Any fanservice isn't thrown in your face. I find Ameri and Clara to be really cute. The humor is so my type, the friendship sends me over the moon, the subversions are great (Sabnock is a huge, strong-looking demon who wants to be demon king but ends up needing saved all the time for instance), found family and potential M/M ships all make for wonderful entertainment.

... Last updated 3 years ago

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Solid read

by Nejikun
5 years ago

Rating: N/A

I really like this manga, I read 155 chapters and they went by very fast, not once did I feel like it was getting boring. It is a solid read, if you are a fan of extremely ecchi stuff this isn't for you, it has hot and cute girls but not in perverted situations but the content makes up for it, a bit of romance even if it is just one sided on part of the girls.

... Last updated 5 years ago

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One of the best manga out there

by aXius
4 years ago

Rating: N/A

It's not the manga with the most complex story and it's not the one with the best drawing either, but heck you get to love all the characters, I must say the music festival arc is one of the best I've read in any manga, I look forward to a second season of the anime. If you read it you won't regret it.

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Stick with it

by Shiningsnow
3 years ago

Rating: 9.0 / 10.0

Iruma starts off pretty basic and boring, there's no denying that. You have your basic Isekai premise, your school setting, and your friendship theme. I almost dropped the series after chapter 3 because it doesn't seem like anything all that special. It gets a LOT better. I think Iruma's biggest flaw is that no one really knows what they're getting into when they pick it up the first time – it’s not really an isekai (there is an imminent threat that Iruma could be deported back to the human world at any time), it’s certainly not a battle shounen (though there’s still plenty of fighting), and it’s not a romance (Main Girl shows up once every 50 chapters to remind us there’s a romance subplot). Iruma’s about finding the courage to make your own destiny – and arguably about surrounding yourself with people who support you in doing so. The actual plot goes wherever the hell it wants to get there.

Pros:
The characters are incredible. Each of them is developed separately from the MC, and even the background one-off characters are given engaging personalities that make you love them. They make you look forward to the inter-arc “fluff” chapters almost as much as the arcs.
The story keeps you guessing. Predicting what will happen each chapter and each arc isn't easy. Its shounen elements are common enough that you won’t be shocked (sports and cultural festivals, tournament arcs and so on) but the execution is unexpected and fresh.
I wouldn’t call it groundbreaking, but this is a very queer manga. Several characters are pointedly “genderless” and there’s an arc dedicated to the tumultuous romance between two girls.
It’s just a great feel-good read.

Cons:
Like I said, it starts off SLOW. I was not entertained until the villain was introduced around chapter 25, and the two following arcs are not stand-outs. Most people say the manga really gets good around chapter 55.
The early chapters are translated horribly so you're better off watching the anime (though the anime has a very small budget and isn't fantastic either).
If anyone is here for the romance they're going to be disappointed.

To address one comment here, I haven’t seen any real fanservice in this manga. There’s even in-universe magic to prevent upskirt shots!

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One of my absolute favourite shounen series.

by Jandalman
4 years ago

Rating: 10.0 / 10.0

Great humour, loveable characters and good art. A fun story that is usually waff but interspersed with dramatic arcs that gets the blood pumping and even good romance. This series has it all.

Is it original? Not really, but you know what I've found it has that other shounen don't? Actually good pacing and minimal filler so far. I've yet to find the need to put the series on hold due to some Bleach-level overstretched fight scene that lasts 10+ chapters, I haven't rolled my eyes at some bullshit deus ex machina event where the MC suddenly gains multiple power levels for no reason. There is no shitty tsundere love interest nor overly gloating villain. So far every character has been solid be they hero or villain.

... Last updated 3 years ago

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This is my fav anime an manga as of now and i dont care what other peasants says about this story.

by misfits_class
3 years ago

Rating: 10.0 / 10.0

I like the story; everyone is a well-written character, and there is nothing to hate except the antagonist. I love everyone, especially the Misfits class and the teachers. I don't know why some people hate the flow of the story but I really enjoy watching the anime and reading the manga.
looking forward to another arc. can't wait to meet Purson Soi and hear him playing Trumpet at the music festival. This anime and manga are really underrated. This deserves more popularity than ************ people who hate this story didn't enjoy their high school life.

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Really good

by Sburator
4 years ago

Rating: 10.0 / 10.0

Love it.

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It is a story for Kodomo (should be in CoroCoro comics)

by Lokin
2 years ago

Rating: 8.0 / 10.0

If it was a story that is in CoroCoro, like Pokemon Adventures, or other kids manga like Shugo Chara and Toilet-bound Hanako-kun, it'd be the king of its class. (a 10/10) Hence the decision making of making the characters around 14 years old (though I personally find them act more closer to 12 years old due to how innocent they are.)

But individually to stand on its own (void of the restrictions imposed by the publisher), the plot progression can get repetitive and predictable. The biggest strength of this series is its character roster (an ensemble student cast), where each of them are more or less unique and likeable. But because of its target audience, it's also designed to be void of drama, it can feel pretty sanitized to read it, but well it's for kids.

It's a feel-good, slice-of-life series. It's not really exceptional but does well with what it tries to achieve.

One thing that particularly irks me that I personally find unnecessary is the having some boys classmates constantly ogling the girl classmates, it is not really funny and probably made this scene to be relatable for little boy readers but can be a miss and fall flat if you can't really relate for it. (Think of Mineta from MHA, do you really want more Mineta's? What do they contribute other than be "relatable" if you have traits like him? Oh well.)

Onto the technicalities

Pros

author is able to juggle a huge variety of cast without making them lose their consistency and individuality
the drawing is really good considering it looks like it's freehand drawn. There's very little anatomical error. The muscle definitions are properly portrayed.
it has nice themes and message for kids (the target audience it tries to go for)

Cons

predictable plot and developments (if you've read a shit ton of manga targeted at Kodomo)
Need to turn brain off to enjoy or it can get old
Comedy is weak; it's closer to EHEHE IT'S FUNNY AND HAPPY but. How should I describe it, it has this... DORA THE EXPLORER/MY LITTLE PONY vibes ... And you can't really stop yourself from smiling due to how "wholesome" it is. But if we were to evaluate its comedy technicalities, it's not really there. It's like funny due to how innocent it is, but not super duper funny.

... Last updated 2 years ago

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Unreadable first chapter scanlation

by AlucardNoir
4 years ago

Rating: N/A

I've had an account here for over a decade. I've only recently begun using this site to mark what manga's I've read. I decided to try this manga and the first chapter as scanlated by Wicked House Translation & All For Manga Group was so bad I couldn't even finish it. If this get's an official english translated I might try it again but the crap Wicked House Translation & All For Manga Group is unreadable. Scanlation quality sure has gone down hill.

And if you think it's not relevant, this has 200 chapters at the moment I'm writing this review. It doesn't matter how great the later chapters are or are translated if the very beginning is trash. Since I couldn't even complete a chapter, and since I don't really bother reviewing manga on here I'm not going to rate this, just fair warning regarding the atrocity that is the first chapter as translated by Wicked House Translation & All For Manga Group.

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Childish

by tiankioo
3 years ago

Rating: N/A

It's for kids. The jokes are rarely funny, the characters are all extremely stupid, and it's basically yet another 'friendship power' type of action manga. One of those mangas where the only way character development can occur is by making the MC start at the very bottom. Disgustingly nice MC, afraid of everything including his shadow, and a complete pushover who only manages to survive due to ridiculous amounts of plot armor. The 'evasive power' is the worst offender. It's the often repeated gag that helps the MC bullshit his way through everything.

This manga made me understand that I'm just too old to read shounen now. I gave it 80 chapters to change my mind, but it didn't. It's basically just a bunch of filler loosely tied together. It tries so hard to be funny that when it tries to be even slightly serious, it just falls flat.

... Last updated 3 years ago

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