Iruma Suzuki is sold by his irresponsible parents to the demon Sullivan who adopts him as his grandson and sends him to Babyls Demon School in the Netherworld. There he hides his human identity and befriends Alice Asmodeus and Clara Valac. Written and illustrated by Osamu Nishi. Japanese manga. Ongoing.

Read Mairimashita Iruma-kun manga in English, updated regularly. Also known as: 魔入りました！入間くん · Mairimashita! Iruma-kun · Welcome to Demon School! Iruma-kun · Enrolled Demon Iruma!