Welcome to Demon School Iruma-kun anime‘s official website unveiled a new trailer for the 4th season that confirms April 4, 2026 release date.
The new trailer highlights the new arc centered on a high-stakes music festival (or “Hell’s Music Festival”-style event) in the demon world.
Release date for the Welcome to Demon School Iruma-kun season 4 anime!
Welcome to Demon School Iruma-kun season 4 anime will be released on April 4, 2026.
Welcome to Demon School! Iruma-kun is a Japanese manga penned by Osamu Nishi, following a young boy betrayed by his parents and handed over to a demon. This demon, however, warmly embraces him as a grandson and enrolls him in a school teeming with demonic students. The series has been serialized in Akita Shoten’s Weekly Shōnen Champion since March 2017, amassing 44 tankōbon volumes by August 2025.
An anime adaptation, brought to life by Bandai Namco Pictures, aired on NHK Educational TV from October 2019 to March 2020. Its success led to a second season, broadcast from April to September 2021, and a third season, which ran from October 2022 to March 2023.
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