Iruma Kun — Mairimashita

(also known as Welcome to Demon School! Iruma-kun ) is a vibrant fantasy-comedy manga and anime series that follows the life of a human boy surviving in the Demon World. Core Premise

Demons are ranked from 1 to 10 (Aleph to Yodh). Iruma gradually climbs these ranks through various school events, with the ultimate goal of potentially becoming the next Demon King . Mairimashita Iruma kun

Humans are considered a delicacy (or mythical) in the demon world. Iruma must hide his human identity at all costs to avoid being eaten. (also known as Welcome to Demon School

To Iruma's surprise, Sullivan doesn't want to eat him; instead, he has always wanted a grandson and dotes on him immensely. Iruma is enrolled in the , where Sullivan serves as the headmaster. Setting & Mechanics Iruma gradually climbs these ranks through various school

The story centers on , a 14-year-old human boy who has spent his entire life working to support his lazy and selfish parents. Because of his harsh upbringing, Iruma developed an "overwhelming inability to say no" to any request. His life takes a drastic turn when his parents sell his soul to a high-ranking demon named Sullivan for money.

The series is primarily set at within the Netherworld.

Iruma is placed in the "Abnormal Class" (Misfit Class), a group of talented but eccentric demons who often find themselves at the center of school-wide chaos. Key Characters