In this post, we take a closer look at the current status of the series “Mairimashita! Iruma-kun”, also known by the following titles:
- Welcome to Demon School! Iruma-kun
- 魔入りました！入間くん
Status#
Based on our analysis, the series is NOT FINISHED. ❌
Here’s how we reached that conclusion:
- Some related entries are still listed as ongoing on MyAnimeList
- The series is listed as not ended on Trakt
- The original source material has not been fully adapted, according to MangaUpdates
Taken together, these points indicate that Mairimashita! Iruma-kun is still ongoing in some form.
Watch order#
Mairimashita! Iruma-kun ↗ ↖
魔入りました!入間くん
Summary
Fourteen-year-old Iruma Suzuki has the worst luck possible! Incapable of saying no to anyone, he has always performed whatever life-threatening jobs his greedy and lazy parents requested. His life takes an unexpected turn when they form a contract with Sullivan, a high-ranking demon, at the cost of his soul. Afraid and confused, Iruma is surprised that all Sullivan wants is to act as his grandfather.Sullivan takes care of Iruma and decides to enroll him in the demon school Babyls. Iruma’s greatest challenge is hiding his status as a human, so keeping a low profile among his peers is the only option. However, Iruma will soon discover that he is no ordinary human, and the demons might also be more than what meets the eye.
[Written by MAL Rewrite]
Background
Mairimashita! Iruma-kun has been published in English as Welcome to Demon School! Iruma-kun by Kodansha USA under the Vertical Comics imprint since May 2, 2023. It has also been released in Polish by Studio JG since November 4, 2019.
Mairimashita! Iruma-kun ↗ ↖
魔入りました！入間くん
Summary
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.
[Written by MAL Rewrite]
Makai no Shuyaku wa Wareware da! ↗ ↖
We Are the Main Characters of the Demon World!
Summary
A spin-off of Mairimashita! Iruma-kun made in collaboration with the Japanese Let's Player group ○○ no Shuyaku wa Wareware da! (○○の主役は我々だ!).The series focuses on the (mis)adventures of Xiaolong, a demon enrolling in Babyls Demon School whose goal is to stand out, become popular, and join the student council.
(Source: MangaDex, edited)
Mairimashita! Iruma-kun Gaiden: Kalego-hen ↗ ↖
Mairimashita! Iruma-kun: Kalego Gaiden
Summary
A young Kalego Naberius' school days at Babyls Demon School do not begin as planned, as he is immediately targeted by several students who mistake him for the infamous "top dog" of Babyls. Despite having hospitalized several students, little is known about the top dog's identity aside from the fact they have dark curly hair, sport two horns, and wear a combination of the boys' and girls' uniforms—all of which also apply to Kalego.Desiring a more peaceful school life, Kalego and his friend Baramu “Balam” Shichirou resolve to uncover the true identity of this mysterious troublemaker and put an end to their reign of chaos.
[Written by MAL Rewrite]
Mairimashita! Iruma-kun 2nd Season ↗ ↖
魔入りました！入間くん
Summary
After many trials and tribulations, Iruma Suzuki is finally happily living among demons despite having to hide his true identity as a human. Even more so, he has now found his ambition in life: keep ranking up in this world!However, that plan is halted when Iruma’s club is temporarily dismissed, and he is forced to be part of the student council, known for its strictness toward rowdy students. Its cold-hearted president is Amelie Azazel, Iruma’s friend. Although Iruma is not used to following their rigid schedule and many rules, he still wants to prove himself and help Amelie alongside all of the other members of the council.
But trouble arises when Amelie’s personality completely changes due to strange circumstances, putting the student council’s reputation in jeopardy. Will Iruma be able to save them and avoid having the whole school turn into pure chaos?
[Written by MAL Rewrite]
Mairimashita! Iruma-kun 3rd Season ↗ ↖
魔入りました！入間くん
Summary
Following their heroic efforts at Walter Park, the students of the misfit class return to Babyls Demon School after their summer vacation. What awaits them is not only adoration and admiration but also the shocking revelation that, in order to stay in the luxurious Royal One classroom, the entire class must be promoted to Dalet rank before entering the second year.As the Harvest and Music Festivals are right around the corner, there seem to be ample opportunities to rank up. Doing so will not be simple, however, as no class thus far has managed to accomplish such a feat. Hoping to give the misfit class a chance to achieve the improbable, the school appoints special tutors to aid in confronting the challenges that lie ahead.
With his sights set beyond Dalet, Iruma Suzuki decides to take strides toward the goal of ranking up, starting with gaining acknowledgement from his special tutor: the short-tempered and selfish Bachiko Barbatos.
[Written by MAL Rewrite]
Mairimashita! Iruma-kun: If Episode of Mafia ↗ ↖
魔入りました!入間くん if Episode of 魔フィア
Summary
In this brand-new spinoff of the runaway hit series, Iruma is a dirt-poor but unfailingly cheerful young boy who grows up in a ruthless city slum. One day, Iruma gives an injured old man his last loaf of bread and nurses the stranger back to health—only to find out that the elder gent is none other than Don Sullivan, head of the Babyl Mafia! Soon after, Don Sullivan comes back, whisks Iruma away, and begs the boy to become his grandson. And just like that, Iruma begins his new life as the next in line to lead a gigantic gang of—dare we say—demonic mafiosos!(Source: Kodansha USA)
Background
Mairimashita! Iruma-kun: If Episode of Mafia ranked second in the Best Printed Manga category at the 10th Tsugi ni Kuru Manga Awards in 2024. The series has been published in English as Welcome to Demon School! Iruma-kun: IruMafia Edition by Kodansha USA under the Vertical Comics imprint since August 19, 2025.
Mairimashita! Iruma-kun 4th Season ↗ ↖
魔入りました！入間くん 第4シリーズ