Quick answer — Welcome to Demon School! Iruma-kun Season 4: the opening theme is "Ichi Ni San" and the ending theme is "Super Yuushou Tune!".
The fourth season of Mairimashita! Iruma-kun. Suzuki Iruma and all thirteen students of the Misfit Class must perform to reach Rank 4 at the Music Festival. Welcome to Demon School! Iruma-kun Season 4 is a comedy, fantasy, and supernatural anime produced by Bandai Namco Pictures, first airing in Spring 2026. It ran for 24 episodes and is ongoing.
Also known as: อิรุมะคุง ผจญในแดนปีศาจ ซีซั่น 4
Welcome to Demon School! Iruma-kun Season 4 has 24 episodes and is ongoing.
Welcome to Demon School! Iruma-kun Season 4 was produced by Bandai Namco Pictures and released in 2026.
Welcome to Demon School! Iruma-kun Season 4 is classified under Comedy, Fantasy, Supernatural.
Welcome to Demon School! Iruma-kun Season 4 premiered in Spring 2026.
The opening theme of Welcome to Demon School! Iruma-kun Season 4 is "Ichi Ni San".
The ending theme of Welcome to Demon School! Iruma-kun Season 4 is "Super Yuushou Tune!".
Welcome to Demon School! Iruma-kun Season 4 is based on a manga.
Welcome to Demon School! Iruma-kun Season 4 is listed on YouTube, Crunchyroll, Bilibili TV, YouTube. Availability varies by region.
Character data from AniList.
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