Read manga Mairimashita! Iruma-kun online in English. Also known as Welcome to Demon School! Iruma-kun. Fourteen-year-old Iruma Suzuki has spent his entire life working dangerous odd jobs to support his incredibly irresponsible parents. His luck goes from bad to worse when they sell his soul to a powerful demon lord named Sullivan. Instead of devouring him, the eccentric demon adopts Iruma as his doting grandson and enrolls him in a prestigious netherworld academy.

Survival becomes Iruma's top priority, especially since humans are considered a rare delicacy in this new world. To stay alive, he must keep his true nature an absolute secret. However, avoiding attention proves impossible. Thanks to a lifetime of dodging disasters, Iruma accidentally defeats a top student on his first day, inadvertently earning a reputation as a terrifying magical prodigy while making a few bizarre, loyal friends along the way.

This series may appeal to readers who enjoy fantasy-comedy, school-life, and supernatural shounen stories.