Welcome to Demon School! Iruma-kun

Welcome to Demon School! Iruma-kun
Cover of the first manga volume, featuring Iruma Suzuki
魔入りました! 入間くん
(Mairimashita! Iruma-kun)
GenreFantasy comedy
Manga
Written byOsamu Nishi
Published byAkita Shoten
English publisher
ImprintShōnen Champion Comics
MagazineWeekly Shōnen Champion
DemographicShōnen
Original runMarch 2, 2017 – present
Volumes43
Anime television series
Directed byMakoto Moriwaki
Produced byYūsuke Fujita
Written byKazuyuki Fudeyasu
Music byAkimitsu Honma
StudioBandai Namco Pictures
Licensed by
Original networkNHK Educational TV
English network
Original run October 5, 2019 – present
Episodes65
Manga
Makai no Shuyaku wa Wareware da!
Written byKoneshima
Illustrated byAtsushi Tsudanuma
Published byAkita Shoten
MagazineWeekly Shōnen Champion
DemographicShōnen
Original runJanuary 9, 2020October 16, 2024
Volumes21
Manga
IruMafia Edition
Written byhiroja
Published byAkita Shoten
English publisher
  • NA: Kodansha USA
MagazineBessatsu Shōnen Champion
DemographicShōnen
Original runSeptember 12, 2023 – present
Volumes3
Manga
Kalego Gaiden
Written byOsamu Nishi
Published byAkita Shoten
MagazineWeekly Shōnen Champion
DemographicShōnen
Original runDecember 7, 2023January 18, 2024
Volumes1

Welcome to Demon School! Iruma-kun (Japanese: 魔入りました! 入間くん, Hepburn: Mairimashita! Iruma-kun; "Enrolled Demon Iruma!"), also known as MaIruma (魔入間) or Iruma-kun (入間くん) for short, is a Japanese manga series by Osamu Nishi about a teenager who is sold by his parents to a demon who adopts him as his grandson and enrolls him in a school for demons. It has been serialized in Akita Shoten's shōnen manga magazine Weekly Shōnen Champion since March 2017, with its chapters collected in 43 tankōbon volumes as of June 2025.

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 aired from April to September 2021, and a third season aired from October 2022 to March 2023. A fourth season has been announced. By November 2024, the manga and its spin-offs had over 17 million copies in circulation.