The series begins when Iruma is taken to the Netherworld by the powerful demon , who adopts him as his doting grandson.
He quickly forms the "Iruma Corps" with his best friends: the elite and loyal Alice Asmodeus and the chaotic, energetic Clara Valac . Welcome to Demon School! Iruma-kun - Prime Video
Years of avoiding his parents' reckless behavior gave him "Ultimate Evasion" reflexes, allowing him to dodge almost any attack.