Welcome to Demon School! Iruma-Kun (Manga) Vol. 20

Abandoned Child/ren Academy Adapted to Anime Adopted Protagonist Adoption Ahoge Bad Parent/s Bisexual Character/s Blue-Eyed Protagonist Blue-Haired Male Lead Blue-Haired Protagonist Club/s Comedic Facial Expressions Cross-dressing Cute Sidekick Demon Lord/King Demon World Demon/s Devil/s Doting Guardian Dumb Character/s Facial Expressions Friendship Gender Ambiguous Character/s Grandfather/s Grandson/s Green-Haired Character/s Harem Subtext Human in Monster/Demon Environment Irresponsible Parent/s Kind Male Lead Kind Protagonist Lesbian Character/s LGBT Character/s Lucky Protagonist Magic Magical Creature/s Magical/Spiritual Power Ranking Male Demographic with Female Artist Male Demographic with Female Author Male Disguised as Female Male Protagonist Misunderstanding/s Money Problems Monster Academy Non-Binary Character/s Power-Boosting Item Protective Character/s Ranked by Strength Ring/s Romantic Subplot School Secret Identity Secret/s Student Council Student Council President Succubus/bi Summoning/s Tall Female Lead Tournament/s Unlucky Protagonist Unrequited Love Weak Male Lead Weak to Strong