Mairimashita! Iruma-kun

## Makai no Shuyaku wa Wareware da!

***Welcome to Demon School! Iruma-kun*** (魔入りました! 入間くん, *Mairimashita! Iruma-kun*, "Enrolled Demon Iruma!") is a Japanese manga series by Osamu Nishi. It has been serialized in Akita Shoten's *shōnen* manga magazine *Weekly Shōnen Champion* since March 2017. As of June 2023, the series has been collected in thirty-two *tankōbon* volumes.

An anime television series adaptation produced by Bandai Namco Pictures, aired on NHK Educational TV between October 2019 and March 2020, followed by a second season from April 2021 to September 2021, and a third season from October 2022 to March 2023. By September 2020, the manga had over 5 million copies in circulation.

## Synopsis

Fourteen-year-old Iruma Suzuki has been unfortunate all his life, having to work to earn money for his irresponsible parents despite being underage. One day, he finds out that his parents sold him to the demon Sullivan. However, Iruma's worries about what will become of him are soon relieved, for Sullivan merely wants a grandchild, pampering him and making him attend the demon school Babyls.

At first, Iruma tries to keep a low profile in fear of his peers discovering that he is human. Unfortunately, this ends up being more difficult than he expected. It turns out that Sullivan himself is the chairman of the school, and everyone expects him to become the next Demon King!

Iruma immediately finds himself in an outrageous situation when he has to chant a forbidden spell in front of the entire school. With this, Iruma instantly earns a reputation he does not want. Even so, he is bound to be roped into more bizarre circumstances.

## Bibliographic Information

### *Novel*

The novel version of Osamu Nishi 's "*Mairimashita! Iruma-kun*" will be published on August 8th by poplar's children's library label Kimino Bell. The novel was written by Hari Tora of the children's library "Zetsubou Onigokko" series.

Children Book
### *Manga*

The series has been serialized in Akita Shoten's *shōnen* manga magazine *Weekly Shōnen Champion* since March 2, 2017. Akita Shoten has collected its chapters into individual *tankōbon* volumes. The first volume was released on July 7, 2017. As of June 8, 2023, thirty-two volumes have been released.

At Anime Expo 2022, Kodansha USA announced that they licensed the series for English publication.

Manga Vol. 1Manga Vol. 2Manga Vol. 3Manga Vol. 4Manga Vol. 5Manga Vol. 6Manga Vol. 7Manga Vol. 8Manga Vol. 9Manga Vol. 10Manga Vol. 11Manga Vol. 12Manga Vol. 13Manga Vol. 14Manga Vol. 15Manga Vol. 16Manga Vol. 17Manga Vol. 18Manga Vol. 19Manga Vol. 20Manga Vol. 21Manga Vol. 22Manga Vol. 23Manga Vol. 24Manga Vol. 25Manga Vol. 26Manga Vol. 27Manga Vol. 28Manga Vol. 29Manga Vol. 30Manga Vol. 31Manga Vol. 32Manga Vol. 33

#### *Spin-off*

A spin-off, titled *Makai no Shuyaku wa Wareware da!* (魔界の主役は我々だ！, "We Are the Main Characters of the Demon World!"), started serialization in *Weekly Shōnen Champion* on January 9, 2020. The first *tankōbon* volume was released on June 8, 2020. As of June 8, 2023, fourteen volumes have been released.

Manga Vol. 1Manga Vol. 2Manga Vol. 3Manga Vol. 4Manga Vol. 5Manga Vol. 6Manga Vol. 7Manga Vol. 8Manga Vol. 9Manga Vol. 10Manga Vol. 11Manga Vol. 12Manga Vol. 13Manga Vol. 14

### *Related Books*

* Osamu Nishi, Atsushi Tsudanuma, Koneshima "*Mairimashita! Iruma-kun Starter Box*" Akita Shoten <Shonen Champion Comics>, released on April 8, 2021 - ISBN 978-4-253-22500-7
* Osamu Nishi, Princess Editorial Department "*Mairimashita! Kōshiki ansorojī hōkago no! Iruma-kun*" Akita Shoten <Shonen Champion Comics>, 1 volume already published (as of June 8, 2021)
	1. Released on June 8, 2021 - ISBN 978-4-253-22625-7
* Osamu Nishi (original/illustration), Tora Hari (text) "*Shōsetsu Mairimashita! Iruma-kun*" Poplar Publishing <Poplar Kimino Bell>, 5 volumes already published (as of March 8, 2023)
	1. *Devil's Friend* Released August 8, 2021 - ISBN 978-4-591-17073-1
	2. *Iruma's determination* Released December 12, 2021 - ISBN 978-4-591-17196-7
	3. *Division Show* Released on April 6, 2022 - ISBN 978-4-591-17353-4
	4. *Akdol Kuromu-chan and Amelie's Decision* Released October 10, 2022 - ISBN 978-4-591-17481-4
	5. *Let's be a problem child* Released March 3, 2023 - ISBN 978-4-591-17732-7
* Osamu Nishi, Weekly Shonen Champion Editorial Department "*Mairimashita! Iruma-kun kōshiki fan bukku akuma gakkō babirusu nyūgaku an'nai*” Akita Shoten <Shonen Champion Comics>, released on March 8, 2023 - ISBN 978-4-253-20132-2

## Iruma Suzuki

### Aliases:

* Iruma-sama *(by Alice)*
* Iruma-chi/Iruma-kins *(by Clara)*
* Master Iruma *(by Alice and Opera)* (English Dub)
* Iruma-kun
* Irumi *(Demdol disguise)*
* Lil'Iru *(by Ali)*
* Young King *(Harvest Festival Winner)*
* Illuminati *(by Ronove Lomiere)*
* Top Scorer Killer
* Demon Swooner Iruma

### Affiliation:

* Babyls Demon School
* Magical Tools Research Division
* Student Council (Temp.)

### Allied:

* Naberius Kalego *(Familiar)*
* Abnormal Classmate
* Alikred
* Alice Asmodeus *(Friend)*
* Clara Valac *(Friend)*
* Bachiko Barbatos *(Teacher)*

## 「Biographical Information」

### Alignments:

* Social • Good *(Normal)*
* Chaotic • Good *(Evil Cycle)*

### Traits:

Transfere, Descendent of the Demon king, Misfits

### Rank:

* He [5] *(Current)*
* Daleth [4]
* Gimel [3]
* Bet [2]
* Aleph [1]

### Relatives:

* Unnamed Parents *(disowned)*
* Lord Sullivan *(Adoptive Grandfather)*
* Opera *(Servant)*
* Azazel Ameri *(Love Interest)*

### Like:

Opera's omelet, Playing with Everyone at School

## 「Voice Actor」

### Japan VA:

* Ayumu Murase *(Anime)*
* Yuu Miyazaki *(Stage Play)*

### English VA:

Laura Stahl

The main character of this work isHe is 14–15 years old. His first person is "I.". His antennae are his trademark. He has a small physique and androgynous appearance and is a boy who is mistaken for a woman when dressed as a woman. Although he was born in the human world, he was a hard worker who lived a life full of troubles that were unrelated to the peace of the average person because of his egoist father and mother. In order to break through trouble, he has skills such as overwhelming crisis avoidance ability, survival techniques, aikido, gluttony, and machine repair, and he has become a superhuman who maintains a strong mentality to keep calm in any predicament and has infinite defense power but zero offensive power. He is a very big eater because of the spirit of eating when he can, but he is not good at cooking because he thinks that cooking should be done by boiling or grilling.

Because of the Ring of Gluttony worn on his finger, those around him recognize his abilities, including this magical power. He uses it when he needs to chant magic, but he thinks that relying on this magic is cheating and refrains from using it except when necessary. When he was promoted to Gimel (rank 3), he called the incarnation of the evil eating ring "Ali-san", and he has a relationship with him like a partner.

When he was sold to his scumbag parents, he was confused by the environment he was in and wanted to live quietly and inconspicuously so that he wouldn't be exposed to humans. After that, he takes many actions to avoid and solve problems, but as a result, his notoriety increases.

At the time of the first rank measurement, because the familiar is a teacher and caused a problem in the flight test, it is considered impossible to measure and becomes Aleph (rank 1). He didn't want to stand out and had little desire to raise his rank, but after meeting Amelie, he began to have the goal of raising his rank, and in rank promotion exams, he always shows performances that overturn the expectations of those around him. At the same time, friendships with various demons will spread, and it will greatly affect those around him, especially his classmates. Such a life in the demon world brought about changes in him, and he began to have a desire to "protect his current life and place of residence" from his modest and selfless personality.

Due to the wishes of Caluego and the other faculty members, all of her classmates will undergo training up to the harvest festival, and Bachiko will train them to become able to wield powerful bows. At the harvest festival, he teamed up with Reed and acted using his innate survival skills. While looking for the legendary Leaf and acting separately from Reid, he was attacked by Orobas and Ocho, and although he fell into Orobas's schemes, he overcame his fear and renewed his determination to live in the demon world. After that, he succeeded in making the legendary leaf bloom while helping each other with his classmates and became a young king with Reed.

When the "TS Plan" to train and select the next demon lord was proposed by the three demon lords, he met the grandchildren of the other three lords and was recommended as the next demon lord candidate.

### Abilities

As a "*human*" characteristic, even a single drop of ***blood*** can heal wounds, regardless of race. It also has the effect of greatly promoting growth as well as wound healing. However, since people around him don't know that he's human, he rarely uses this recovery ability in public. Aside from its healing capacity, Iruma's blood also has the power to instantly make plants grow in a massive state. A few drops would be enough to put the plant in such a position. It is unknown whether it is exclusive to Iruma's blood or human blood in general, but in theory, this has something to do with why Demons supposedly eat Human flesh or the Demon King's Prophecy.

In his 14 years, Iruma experienced many hardships because of his carefree, irresponsible parents and always had to fight to survive wherever he lived. Because of this, his instincts tell him the best way to live in dangerous situations is to overcome anything as long as he can survive. In this mode, his fighting spirit heightened for his belief, which is that in order to survive, one must change themselves and become the creatures who were born in the place they are trying to survive. Once Iruma participated in the Harvest Festival, this mode resurfaced and she used it on a whim.

* During the Execution Cannonball Arc, Sullivan strengthened Iruma's hands enough so he had an even chance against the other demons. This ability allows Iruma to catch balls thrown hard enough to shatter rocks, ice molds, and walls. This also reduces the burning effects of Asmodeus' flames, though they still get scuffed up.
* During the music festival, it was decided that Iruma would perform by playing the piano for the Misfit Class's performance of *Lilith’s Red Carpet*. Under the training of Professor Kalego, Iruma underwent intense training to make his piano playing his own. At the festival, Iruma's performance was compared to Delkira's by Amduscias Poro, which frustrated him.

* **Verbal Magic:** After Iruma obtained his ring, he discovered he could now use magic. Simple magical spells that any demon can do by saying the magic words and imagining their desires taking form
* **Non-verbal Magic:** During the intense lesson from Opera, Iruma and the other Misfits learned how to cast Cherusil non-verbally. A difficult practice in focus where the demon can cast spells without chanting the words. Only Asmodeus and Ameri were previously shown to be able to do this, but now Iruma is capable of doing it too.

## Ending Theme

### ED Audio:

An anime television series adaptation was announced in 10th issue of *Weekly Shōnen Champion* alongside *Beastars* on February 7, 2019. The 23-episode series is animated by Bandai Namco Pictures and directed by Makoto Moriwaki, with Kazuyuki Fudeyasu handling series composition, and Akimitsu Honma composing the music. NHK and NHK Enterprises are credited for production. The series aired from October 5, 2019, to March 7, 2020, on NHK Educational TV. Da Pump performed the series' opening theme song "Magical Babyrinth," while Yū Serizawa performed the series' ending theme song "Debikyū" (デビきゅー).

### Season 1

Crunchyroll and Muse Communication are streaming the series in their selected regions.

## Ending Theme

### ED Audio:

A second season was announced and aired for 21 episodes from April 17, 2021, to September 11, 2021. The staff returned to reprise their roles. Da Pump performed the second season's opening theme song "No! No! Satisfaction!", while Amatsuki performed the second season's ending theme song "Kokoro Show Time" (ココロショータイム, *Kokoro Shō Taimu*).

### Season 2

On May 18, 2021, it was announced that Sentai Filmworks picked up the home video rights.

## Ending Theme

### ED Audio:

On September 11, 2021, the Twitter account for the anime announced that a third season is in development. It aired from October 8, 2022 to March 4, 2023. Fantastics from Exile Tribe performed the opening theme song "Girigiri Ride it Out" (ギリギリ Ride it out, On the Edge Ride it Out), while Wednesday Campanella performed the ending theme song "Nabe Bugyо̄" (鍋奉行, Hotpot Boss).

### Season 3

Crunchyroll and Muse Communication are streaming the series in their selected regions.

## Reception

The manga was compare between Rosario + Vampire, cross it with Hayate the Combat Butler, and Kemono Michi: Rise by Anime News Network in 2019.

By January 2020, the first fifteen volumes of the manga had over 2.5 million copies in circulation. By September 2020, the manga had over 5 million copies in circulation.

## External Link

* *Mairimashita! Iruma-kun* ─ Manga Website | Akita Shoten (in Japanese)
* *Mairimashita! Iruma-kun: Spin-off* ─ Manga Website | Akita Shoten (in Japanese)
* *TV Anime "Mairimashita! Iruma-kun"* Official Anime Website | NHK Anime World
* *TV Anime "Mairimashita! Iruma-kun"* Official Anime Website | NHK Broadcasting History
* *Stage Play: Mairimashita! Iruma-kun* ─ Official Website
* *Mairimashita! Iruma-kun Manga* Official (@wc\_mairuma) - Twitter
* *TV Anime "Mairimashita! Iruma-kun"* [NEP Official] (@nep\_irumakun) - Twitter
* *Stage Play: Mairimashita! Iruma-kun* Official (@iruma\_stage) - Twitter
* *TV Anime "Mairimashita! Iruma-kun"* NEP official (@nep\_irumakun) - Instagram
* *Mairimashita! Iruma-kun* ─ Wikipedia **JP**
* *Mairimashita! Iruma-kun* ─ Wikipedia **EN**