Volume 51, the latest installment of the wildly popular manga *Demon Slayer: Iruma-kun* by Nishishu, currently serialized in *Weekly Shonen Champion* (Akita Shoten), will go on sale on October 7, 2026.
Additionally, Volume 9 of the official spin-off “Demon Slayer! Iruma-kun if: Episode of Ma-Fia” by hiro-sha will also be released on the same day!
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Osamu Nishi’s “Demon Slayer: Iruma-kun” Latest Volume 51 Synopsis
The “Iruma [Forced Repatriation]” Arc Begins!
Will the demons finally discover Iruma’s true identity…!?
What will become of Iruma, who has been captured by the Demon Control Bureau!?
When is the release date for Volume 51 of Osamu Nishi’s “I’ve Become a Demon! Iruma-kun”?
Following the release of Volume 50 on September 8, 2026, this marks two consecutive months of new volumes!
The latest volume, No. 51, of the wildly popular demon school comedy *Demon Slayer: Iruma-kun*—which has surpassed 20 million copies in cumulative sales—will be released on Wednesday, October 7, 2026!
Volume 51 kicks off the Iruma [Forced Repatriation] Arc!!
The true feelings of Shin’yu and the others are revealed――!
The cover features Asmodeus and Clara, clad in blue!
50巻を読んで続きを渇望されている皆様、お待たせいたしました。
『魔入りました！入間くん』
最新51巻は10月8日（水）に発売！2か月連続刊行です！🎉🎉51巻は、入間【強制送還】編始動！！シンユーたちの気持ちが明らかに――！
カバーは青を背負うアスモデウス&クララが目印です🌼🌼 pic.twitter.com/WoN13aHAhM— 魔入りました！ 入間くん【公式】 (@wc_mairuma) September 11, 2026
Osamu Nishi’s “Demon Slayer: Iruma-kun” Previous Volume: Volume 50 Synopsis (Recap)
Synopsis of the Previous Volume (Details on the Previous Volume, Vol. 50)
Merize, a human who gave birth to Ameli, has suffered a sudden deterioration in her condition.
Can Henri save her from this crisis—!?
The finale of the , where the emotions of various demons intertwine!
And now, the new semester at Demon Academy begins—as we dive into a shocking new chapter!
© Osamu Nishi/Akita Shoten
Introduction to Osamu Nishi’s “Demon Slayer! Iruma-kun”
Iruma-kun, a pitiful boy sold to a demon due to his parents’ selfishness.
He ends up attending a demon school, doted on by a demon who has no grandchildren of his own!?
A demon world school fantasy where he spends his days happily(?) with the demons!!
© Osamu Nishi/Akita Shoten
Osamu Nishi’s “Demon Slayer: Iruma-kun” Latest Volume 51 on Sale October 7!
© Osamu Nishi/Akita Shoten
| Retailer | [Amazon]Product Page [Animate]Product Page |
|---|---|
| Buy the Complete Set | [Amazon]Kindle E-book Bundle |
| Release Date | October 7, 2026 |
| Author | Osamu Nishi |
| Price | Kindle Edition (e-book): 594 yen (tax included) Comic (print): 594 yen (tax included) |
| ISBN | ISBN-10: 4253020011 ISBN-13: 978-4253020015 |
| Information on the Previous Volume | Details on Volume 50 of “Demon Slayer: Iruma-kun” |
| Related Links | Official Website for the Anime “Iruma-kun: The Demon Has Entered!” Season 4 |
“Irumakun!” Manga Product Information
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