Welcome to Demon School! Iruma-kun Season 4
Mairimashita! Iruma-kun 4th Season
Genres
- Comedy
- Fantasy
Tags
all 11- SceneSchool84
- DemographicShounen79
- TraitsDemons77
- FantasyMagic66
- Main CastPrimarily Teen Cast66
- TraitsMonster Girl60
- MusicBand60
- TraitsMonster Boy60
- FantasyIsekai40
- OtherFound Family20
- Main CastEnsemble Cast20
Genres: Comedy, Fantasy. Tags: School, Shounen, Demons, Magic, Primarily Teen Cast, Monster Girl, Band, Monster Boy, Isekai, Found Family, Ensemble Cast.
#570
Ranked
#2696
Popularity
350
Favorites
14.1K
Members
#9
This Season
Popular TV
Episode Progress
18 / 24 episodes aired
Available up to Episode 18 on YouTube
- Premiered
- Spring 2026
- Aired
- Apr 4, 2026 –
- Broadcast
- Saturday · 18:25:00
- 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
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
- 1Welcome to Demon School! Iruma-kunSeason 12019
- 2Welcome to Demon School! Iruma-kun Season 2Season 22021
- 3Welcome to Demon School! Iruma-kun Season 3Season 32022
- 4Welcome to Demon School! Iruma-kun Season 4Season 42026
Complete·Everything including OVAs, specials & side stories
- 1
- 2Mairimashita! Iruma-kun: If Episode of MafiaOptional TV2027
- 3
- 4
- 5
Platform Scores
MAL
8.12
AniList
80 / 100
Kitsu
81 / 100
AniList Trend
3,370
Episode Guide
Aired so far: 18 / 24
Main Story
18 / 24
75%
Latest Aired
Episode 18
Remaining
6 eps
18 / 24
Theme Songs
Status Breakdown
Tags
Shows how closely each tag relates to this animeRelations
Recommendations
8 recommendationsMy Hero Academia
Mashle: Magic and Muscles
Sleepy Princess in the Demon Castle
A Terrified Teacher at Ghoul School!
Beelzebub
Toilet-Bound Hanako-kun
Assassination Classroom
Wistoria: Wand and Sword
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 to consist of 24 episodes. As the series is currently airing as of its spring 2026 run, viewers can expect these episodes to be released throughout the season.
Is Welcome to Demon School! Iruma-kun Season 4 finished or still ongoing?
Welcome to Demon School! Iruma-kun Season 4 is currently airing. It premiered in the spring of 2026 and continues to release new content.
What is the premise of Welcome to Demon School! Iruma-kun Season 4?
Welcome to Demon School! Iruma-kun Season 4 continues the comedy and fantasy adventures of Suzuki, Iruma, Valac, Clara, and Asmodeus, Alice. It follows their ongoing school life experiences in the demon world.
Do I need to watch anything before starting Welcome to Demon School! Iruma-kun Season 4?
Yes, this is the fourth entry in the franchise, so it is recommended to watch the previous seasons first. You should specifically watch the prequel, Welcome to Demon School! Iruma-kun Season 3, to fully 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 like Welcome to Demon School! Iruma-kun Season 4?
If you enjoy the comedic and school-themed elements of this series, fans often recommend checking out My Hero Academia, Mashle: Magic and Muscles, or Sleepy Princess in the Demon Castle. Other similar titles 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.
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
- Premiered
- Spring 2026
- Aired
- Apr 4, 2026 –
- Broadcast
- Saturday · 18:25:00
- Episodes
- 18 / 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
Discussion
Discussion