'Welcome to Demon School, Iruma-kun' Season 4 Anime Reveals Main Promo Video, More Cast Posted on March 14, 2026 By admin No Comments on 'Welcome to Demon School, Iruma-kun' Season 4 Anime Reveals Main Promo Video, More Cast Takehito Koyasu joins cast for anime debuting on April 4 with half-year run Source: https://www.animenewsnetwork.com/news/2026-03-14/welcome-to-demon-school-iruma-kun-season-4-anime-reveals-main-promo-video-more-cast/.235288 Anime