The fourth season of "Mairimashita! Iruma-kun" continues the story of Iruma Suzuki, a human boy who was sold to a demon and now attends a prestigious demon school. As he navigates the challenges of the Netherworld, he must balance his secret humanity with his growing reputation among his demon peers. New trials, friendships, and adventures await as Iruma strives to prove himself in this strange yet captivating world.

Welcome to Demon School! Iruma-kun - S04
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Overview:
The fourth season of "Mairimashita! Iruma-kun" continues the story of Iruma Suzuki, a human boy who was sold to a demon and now attends a prestigious demon school. As he navigates the challenges of the Netherworld, he must balance his secret humanity with his growing reputation among his demon peers. New trials, friendships, and adventures await as Iruma strives to prove himself in this strange yet captivating world.
Aired:Apr 04, 2026
Duration:25m
Episodes:89
Networks:NHK Educational TV
Country: Japan
Seasons (4)
Episodes (24)
1. The Other Demon in the Misfit Class2. A Challenge to the Thirteen3. The Essence of a Dem-dol4. We Can't See Him, But...5. Let's Have a Chat6. The Music Festival: Showtime!!7. Lilith's Carpet8. Victory Salute9. Behind Those Eyes10. Triple Love Squad11. Best Friend Meeting / Lead's Flirting Meeting12. One-Year Distance and One-Centimeter Distance13. Suzuki Iruma's Exorcibration14. Infiltrate the Teacher Dorms! / A New Member Joins the Girls?!15. The Laws of the Netherworld Dictate That One Takes After Their Master / Even Among Those Who Are Close...16. A Misfit Casual Gathering / Netherworld Devotee17. The Great Heroes Gather18. Give the Youth All the Nutrients They Need / Crossing the Sunbeams Shining Through the Trees19. The Dem-dol Games20. Team Devimuse21. The Tycoon and the Jewel22. The Proud Songstress23. The Road to the Demon King24. The Most Extravagant Farewell Party
Characters & Voice Actors

CharacterIruma Suzuki (voice)
Voice ActorAyumu Murase

CharacterAlice Asmodeus (voice)
Voice ActorRyohei Kimura

CharacterClara Valac (voice)
Voice ActorAyaka Asai

CharacterNaberius Kalego (voice)
Voice ActorDaisuke Ono

CharacterAmeri Azazel (voice)
Voice ActorSaori Hayami

CharacterSabro Sabnock (voice)
Voice ActorTakuya Sato

CharacterSullivan (voice)
Voice ActorTakaya Kuroda

CharacterOpera (voice)
Voice ActorMitsuki Saiga














