The third season of Mairimashita! Iruma-kun (Welcome to Demon School! Iruma-kun), which aired from , was defined by the Harvest Festival Arc . This season acted as a major turning point for the series, shifting the focus toward survival-style action and significant individual power-ups for the Misfit Class.
Key "features" and developments from the third season include: ANIME REVIEW: Mairimashita! Iruma-kun Season Three Mairimashita! Iruma-kun 3. sezona