New material for the fourth season of "Mairimashita! Iruma-kun / Welcome to Demon School! Iruma-kun" released

For the fourth anime season of the series "Mairimashita! Iruma-kun" (English: "Welcome to Demon School! Iruma-kun"), a main visual and a first teaser trailer have been presented. The new season is scheduled to start in April 2026.

The plot of the upcoming episodes will revolve around a school "Music Festival" (Original: "Ongakusai"), where the cohesion of protagonist Iruma's class will be put to the test. The trailer hints that Iruma and his classmates must remember a thirteenth, forgotten classmate named Purson Soi in order to be successful in the competition.

The released main visual shows Iruma and his class in elaborate, colorful costumes, as they stand in the spotlight of a stage. The also released teaser trailer features musical accents, including a trumpet sound.