Welcome to Demon School! Iruma-kun Season 4 Episode 9 Story & Preview Cuts Released: Kiriwo, Who Is Supposed to Be on Medical Leave, Appears

The story and preview images for Episode 9 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 30 at 6:25 PM (JST), and will later be available on various international streaming platforms.

Episode 9 Story

Asmodeus heads to the Magical Apparatus Battler clubroom in place of Iruma, who has become the center of attention after becoming the only one to reach Rank 5.

To his surprise, Kiriwo, who is supposed to be on a leave of absence, is there.

While Kiriwo expresses joy over Iruma's success, Asmodeus notices the true nature hidden deep within his eyes...

Meanwhile, Wetoto of the Six Fingers appears before Amduscias, seemingly intending to propose a negotiation.

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