Welcome to Demon School! Iruma-kun Season 4
Mairimashita! Iruma-kun 4th Season
Genres
- Comedy
- Fantasy
Tags
all 14- SceneSchool85
- TraitsDemons83
- FantasyIsekai82
- FantasyMagic82
- Main CastPrimarily Teen Cast80
- DemographicShounen79
- Main CastMale Protagonist75
- TraitsMonster Girl73
- TraitsMonster Boy73
- Main CastEnsemble Cast66
- MusicMusical Theater66
- OtherFound Family66
- MusicBand65
- OtherLGBTQ+ Themes36
Genres: Comedy, Fantasy. Tags: School, Demons, Isekai, Magic, Primarily Teen Cast, Shounen, Male Protagonist, Monster Girl, Monster Boy, Ensemble Cast, Musical Theater, Found Family.
#570
Ranked
#2696
Popularity
350
Favorites
42.1K
Members
#7
This Season
Rated TV
#20
This Season
Popular TV
#304
All Time
Rated TV
Episode Progress
24 / 24 episodes aired
Available up to Episode 24 on Bilibili TV, Crunchyroll, YouTube
- Premiered
- Spring 2026
- Aired
- Apr 4, 2026 –
- Duration
- 25 min
- Time to Complete
- ~10h
- Rating
- PG - Children
- Studio
- Bandai Namco Pictures
Alternative Titles
ja魔入りました!入間くん 第4シリーズ
en-x-romajiMairimashita! Iruma-kun 4th Season
ja-LatnMairimashita! Iruma-kun 4
thอิรุมะคุง ผจญในแดนปีศาจ ซีซั่น 4
Synopsis
Fourth season of Mairimashita! Iruma-kun.
Synopsis
Fourth season of Mairimashita! Iruma-kun.
Where to Watch
Trailers

Franchise Timeline
Welcome to Demon School! Iruma-kun Season 4 is entry 4 of 4 in the Welcome to Demon School! Iruma-kun watch order, continuing the story after Welcome to Demon School! Iruma-kun Season 3.
Essential·Core entries only — skip filler and side content
- Welcome to Demon School! Iruma-kunSeason 12019
- Welcome to Demon School! Iruma-kun Season 2Season 22021
- Welcome to Demon School! Iruma-kun Season 3Season 32022
- Welcome to Demon School! Iruma-kun Season 4Season 42026
Complete·Everything including OVAs, specials & side stories
- Mairimashita! Iruma-kun: If Episode of MafiaOptional TV2027
Platform Scores
MAL
8.12
AniList
80 / 100
Kitsu
81 / 100
AniList Trend
3,468
Episode Guide
Aired so far: 24 / 24
Main Story
24 / 24
100%
Latest Aired
Episode 24
Remaining
Fully available
Aired so far
Theme Songs
Status Breakdown
Tags
Shows how closely each tag relates to this animeShow spoiler tags1
Relations
Recommendations
10 recommendationsSleepy Princess in the Demon Castle
Mashle: Magic and Muscles
My Hero Academia
A Terrified Teacher at Ghoul School!
Beelzebub
Toilet-Bound Hanako-kun
Assassination Classroom
Wistoria: Wand and Sword
The Devil is a Part-Timer!
Hell Teacher: Jigoku Sensei Nube
Frequently Asked Questions
How many episodes will Welcome to Demon School! Iruma-kun Season 4 have?
Welcome to Demon School! Iruma-kun Season 4 is scheduled for a total of 24 episodes. As the series is currently airing, these episodes will be released throughout its spring 2026 run.
Is Welcome to Demon School! Iruma-kun Season 4 finished or still airing?
The series is currently airing as part of the spring 2026 anime season. You can continue to follow the adventures of Suzuki, Iruma and his friends as new episodes are released.
What is the premise of Welcome to Demon School! Iruma-kun Season 4?
This series is the fourth installment of the popular comedy-fantasy anime following the life of a human boy in the demon world. It continues the school-themed antics of Suzuki, Iruma, Valac, Clara, and Asmodeus, Alice.
Do I need to watch other seasons before starting Welcome to Demon School! Iruma-kun Season 4?
Yes, this is the fourth entry in the franchise, so it is highly recommended that you watch the previous seasons first. Specifically, you should complete Welcome to Demon School! Iruma-kun Season 3 to understand the current story arc.
Who is the director of Welcome to Demon School! Iruma-kun Season 4?
The series is directed by Moriwaki, Makoto. The production is handled by the studio Bandai Namco Pictures.
What anime should I watch if I enjoy Welcome to Demon School! Iruma-kun Season 4?
If you are looking for similar shows, fans of this series often enjoy My Hero Academia, Mashle: Magic and Muscles, and Sleepy Princess in the Demon Castle. Other popular recommendations include A Terrified Teacher at Ghoul School! and Beelzebub.
What is the opening theme song for Welcome to Demon School! Iruma-kun Season 4?
The opening theme song for this season is titled "Ichi Ni no San (一二三)" and is performed by the band Penthouse.
Is Welcome to Demon School! Iruma-kun Season 4 suitable for children?
Yes, the series carries a PG rating, making it suitable for children. It focuses on lighthearted comedy and fantasy elements set within a school environment.
Welcome to Demon School! Iruma-kun Season 4 Trailer Drops
The comedy shounen returns with a new trailer hinting at further school hijinks and demonic challenges.
Demon School! Iruma-kun S4 Dominates Trends
Welcome to Demon School! Iruma-kun Season 4 Dominates Trends
Iruma-kun Season 4 Adds Two New Judges for Music Festival Arc
Information
- Type
- TV
- Status
- Airing
- Country
- Japan
- Premiered
- Spring 2026
- Aired
- Apr 4, 2026 –
- Episodes
- 24 / 24
- Duration
- 25 min
- Time to Complete
- ~10h
- Rating
- PG - Children
- Studio
- Bandai Namco Pictures
Alternative Titles
ja魔入りました!入間くん 第4シリーズ
en-x-romajiMairimashita! Iruma-kun 4th Season
ja-LatnMairimashita! Iruma-kun 4
thอิรุมะคุง ผจญในแดนปีศาจ ซีซั่น 4
Discussion
Discussion