← Welcome to Demon School! Iruma-kun
Season 4
24 episodes · 2026
Iruma and the Misfit Class face their biggest challenge yet as they prepare for the Music Festival, where all thirteen students must reach Rank 4. With a mysterious classmate who cannot afford to stand out, the group must find a way to succeed while keeping his identity hidden. As Iruma's life in the Netherworld grows increasingly eventful, he encounters new demons, unexpected challenges, and opportunities that push him closer to the heart of demon society. From the Music Festival and its aftermath to the Dinner of the Thirteen Crowns and the glamorous Dem-Dol Games, Iruma's friendships, ambitions, and growing reputation continue to shape his extraordinary journey.
1The Other Demon in the Misfit Class
The Misfit Class find out they need to compete in the Music Festival and find out they had another student.
2A Challenge to the Thirteen
The Misfit Class try to figure out what kind of performance they're going to do for the Music Festival.
3The Essence of a Dem-dol
The Misfit Class decide to do the Hell Dance at the Music Festival and Kalego coaches Iruma and Purson.
4We Can't See Him, But...
Iruma wants to have a chat with Purson.
5Let's Have a Chat
Purson has disappeared, but Iruma doesn’t give up and decides to talk with him.
6The Music Festival: Showtime!!
Suzuki Iruma and all thirteen students of the Misfit Class must perform to reach Rank 4 at the Music Festival.
7Lilith's Carpet
Iruma and the rest of the Misfit Class perform their rendition of "Lilith's Carpet."
8Victory Salute
Iruma and the Misfit Class learn the results of the Music Festival and Purson has a chat with his father.
9Behind Those Eyes
Asmodeus goes to fetch something from the club room and runs into someone unexpected.
10Triple Love Squad
Iruma and Asmodeus spend the day together having fun.
11Best Friend Meeting / Lead's Flirting Meeting
Iruma explains friendship to the class, while Lead seeks advice on getting closer to Elizabetta.
12One-Year Distance and One-Centimeter Distance
Ameri goes to the Deviculum and contemplates her current distance with Iruma.
13Suzuki Iruma's Exorcibration
Iruma-kun celebrates his birthday for the first time in the netherworld.
14Infiltrate the Teacher Dorms! / A New Member Joins the Girls?!
Iruma visits the teacher dorms and Naphula joins the girl squad.
15The Laws of the Netherworld Dictate That One Takes After Their Master / Even Among Those Who Are Close...
Jazz tries to deal with his familiar and Lead teaches Asmodeus how to play video games.
16A Misfit Casual Gathering / Netherworld Devotee
The Misfit Class has a party at Iruma's home and then Iruma helps Opera perform their daily duties.
17The Great Heroes Gather
The Thirteen Crowns discuss their future and nominate candidates for the next Demon King.
18Give the Youth All the Nutrients They Need / Crossing the Sunbeams Shining Through the Trees
The Dinner of the Thirteen Crowns occurs and then Iruma, Asmodeus, and Clara contemplate being second-years.
19The Dem-dol Games
The Dem-dols Games begins.
20Team Devimuse
Team Devimuse loses a member and gets an unlikely substitute.
21The Tycoon and the Jewel
Both Gyari and Kuromu make shocking announcements at the Dem-dol Games.
22The Proud Songstress
The Dem-Dol Games finally come to a close.
23The Road to the Demon King
Iruma goes to visit Sabro to find out more about Demon Kings.
24The Most Extravagant Farewell Party
The new school year finally begins at Babyls.