The 13th Classmate Purson Soi Makes His True Debut, Welcome to Demon School! Iruma-kun Season 4 Episode 1 Story & Preview Cuts Released

The story and preview images for Episode 1 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, April 4 at 6:25 PM (JST), and will later be available on various international streaming platforms.

Episode 1

In order for every student to reach Rank 4 (Daleth) during their first year, the Abnormal Class sets their sights on winning the Music Festival, the final rank promotion exam! The class develops a strategy to make the Rank 2 (Beth) student Elizabetta stand out. However, they soon discover there is another Rank 2 student: Purson Soi! Because Soi specializes in concealment magic, no one had noticed he was in the class until now.

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