Two additional voice actresses have been cast for the ongoing fourth season of Welcome to Demon School! Iruma-kun. The fourth season first aired in Japan on April 4, 2026 and will run for two cours.
The new cast members include Miki Nagasawa (who voiced Maya Ibuki in Neon Genesis Evangelion) as Kyupa and Yuka Terasaki (who voiced Akane Akitsu in Shangri-La Frontier 2nd Season) as Mei Mei. Both characters appeared as judges for the Babyls School music festival in the fifth episode.
They join an anime voice cast that includes
- • Ayumu Murase as Iruma Suzuki
- • Ryohei Kimura as Alice Asmodeus
- • Ayaka Asai as Clara Valac
- • Saori Hayami as Ameri Azazel
- • Daisuke Ono as Kalego Naberius
- • Setsui Ito as Purson Soi
- • Takehito Koyasu as Amduscias Polo
Ayaka Tsujihashi (new) is directing the fourth season, with Makoto Moriwaki (previously director) as chief director, Kazuyuki Fudeyasu (since Season 1) as series composer, Yumiko Hara (reprising, co-credit in Season 2) as character designer, and Akimitsu Honma (since Season 1) as music composer. BN Pictures is in charge of the animation production.
Season one of Welcome to Demon School! Iruma-kun aired from October 2019 to March 2020, which was followed by the second season from April to September 2021 and the third season from October 2022 to March 2023.
The fantasy manga series by Osamu Nishi has been serialized in Akita Shoten’s Weekly Shonen Champion magazine since March 2, 2017. Forty-eight tankobon volumes have been released as of April 2026, with a 49th volume scheduled to be released in Japan on June 8, 2026. Kodansha USA licensed the manga for English release.
The manga also inspired three spinoff manga series, including Welcome to Demon School! Iruma-kun: IruMafia Edition, which will receive its own TV anime adaptation in 2027.

Crunchyroll is streaming the previous three seasons of Welcome to Demon School, Iruma-kun in several countries and territories worldwide, and is also simulcasting the fourth season. It describes the anime’s main premise as:
Suzuki Iruma, human, 14, one day finds himself taken against his will into the world of demons. To add to his predicament, his doting owner and self-appointed “Grandpa” is the chair-demon at his new school. In order to survive, Iruma must deal with a haughty student who challenges him to a duel, a girl with adjustment issues, and so many more scary beings! Can this ultimate pacifist dodge the slings and arrows that are flung his way? As he struggles frantically, Iruma’s innate kindness begins to win over enemies.
Sources: Welcome to Demon School! Iruma-kun Official Twitter, Anime News Network


