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Mairimashita! Iruma-kun 4th Season


Welcome to Demon School! Iruma-kun Season 4

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Alternative Titles

Japanese: 魔入りました!入間くん 第4シリーズ
English: Welcome to Demon School! Iruma-kun Season 4
More titles

Information

Type: TV
Episodes: 24
Status: Finished Airing
Aired: Apr 4, 2026 to Sep 26, 2026
Premiered: Spring 2026
Broadcast: Saturdays at 18:25 (JST)
Producers: None found, add some
Licensors: None found, add some
Source: Manga
Genres: ComedyComedy, FantasyFantasy
Theme: SchoolSchool
Demographic: ShounenShounen
Duration: 25 min. per ep.
Rating: PG-13 - Teens 13 or older

Statistics

Score: 8.081 (scored by 2809728,097 users)
1 indicates a weighted score.
Ranked: #6442
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #2471
Members: 99,663
Favorites: 450

Available At


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Streaming Platforms

8.08
Ranked #644Popularity #2471Members 99,663
Episodes: /24

Synopsis

Fourth season of Mairimashita! Iruma-kun.

Characters & Voice Actors


Staff



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Opening Theme

"Ichi Ni no San (一二三)" by Penthouse
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Ending Theme

"Super Yuushou Tune! (すーぱー優勝ちゅーーん!)" by CANDY TUNE




Reviews

Sep 27, 2026
After finishing this season, I immediately got an urge to rewatch it all, that doesn't really happen to me but this is truly a piece of art far from anything else. From the start everything goes well, we get to know more characters and more about the characters we already love, we get to know much more about the demon world, its state and its elite. Iruma really makes much progress as a character with a really fulfilling ending of this season.

I have seen criticism about the several arcs that appeared to some as fillers but that's total nonsense. In this show, there is ...
Oct 12, 2026
Mixed Feelings
I'm a big fan, and this is the first time I'm writing a review about this anime. The reason for that is because this season was below my expectations. I notice the show tries to fil in spots a lot instead of sticking to the main story and even sometime sneak 2 filler type episode in 1 episode. It's like they don't know how to drag out an episode of the main story or filler stories. My previous ratings for the other seasons were 10,9,7 and this will be a 5. The first season was so good that I don't want to miss what will ...
Oct 28, 2026
FunnyFunny
Iruma-kun is truly a waste of time.

For my old people in the crowd, this is very similar to Hayate No Gotoku. It's just a chain of meaningless episodes with a humour that is not that impacting. But it has that vibe of chill anime that you just end up watching anyway, just to pass the time.

Would I recommend this to anyone ? No. It has wonderful moments true, that are kind of the reason why it has good reputation. There is two, the first is when he transformed into a bad guy in season 2, the second is in this season, when they did ...

Interest Stacks

49 Entries · 154 Restacks
44 Entries · 135 Restacks

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Recent News

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'Mairimashita! Iruma-kun 4th Season' Unveils Additional Cast, Second Promo

'Mairimashita! Iruma-kun 4th Season' Unveils Additional Cast, Second Promo

The official website of the Mairimashita! Iruma-kun 4th Season (Welcome to Demon School! Iruma-kun Season 4) television anime unveiled an additional cast, a second ...read more


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