Welcome to Demon School Iruma-kun anime‘s official website unveiled the preview and synopsis for the 4th season’s upcoming episode 2.
Synopsis for the episode is as following:
“To everyone’s surprise, the mysterious trumpet player who appears after school — the fairy (pixie) — is actually Soi! Due to his family’s rules, Soi cannot stand out. He reveals that there are two conditions he must meet in order to participate in the Music Festival. Upon hearing this, the Misfit (Abnormal) Class…?
Meanwhile, Ronowe and Nafra from the Student Council Battalion (Battra) begin investigating the performances of each class as part of their official duties…””
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.
READ MORE: Top 10 Best Comedy Anime Series of All Time

Hello, I am Theisen. I am a blogger and I enjoy writing about anime, manga. I have experience in writing articles about anime for a couple of years, and I am trying to make myself better in the industry.

