Welcome to Demon School! Iruma-kun Season 4 Episode 6 Story & Preview Cuts Released: The Music Festival Finally Begins!

The story and preview images for Episode 6 of the TV anime Welcome to Demon School! Iruma-kun (JP: Mairimashita! Iruma-kun) Season 4 have been revealed. This episode will air on Saturday, May 9 at 6:25 PM (JST), and will later be available on various international streaming platforms.

Episode 6 Story

Amduscias Poro, one of the judges for the Music Festival, has appeared before the Abnormal Class! The Abnormal Class is fired up after being challenged to a competition with the Royal One at stake. Meanwhile, the other classes have completed their preparations to perform the shows they have been practicing for the festival. At long last, the Music Festival is ready to begin!

Introduction

Suzuki Iruma attends Demon School Babyls while hiding the fact that he's a human.
He’s made many demon friends and even begun enjoying his life in the netherworld while playing a huge role in major events!
He's been rising through the ranks of the netherworld and also starting to gain attention outside of school.

Iruma's next challenge will be the Music Festival, where the bonds between him and his classmates will be put to the test!
They’ve been tasked with getting all thirteen members of the Misfit Class to Rank 4:
an unprecedented, impossible goal they can only achieve by winning the Music Festival.
However, one of his classmates is a demon who is not allowed to stand out...

Spring 2026 Anime List

Source : Welcome to Demon School! Iruma-kun Official