Alternative Name:Mairimashita! Iruma-kun Mafia AU; Welcome to Demon School! Iruma-kun (Mafia Alternate Universe); Welcome to Demon School! Iruma-kun: If Episode of Mafia; 魔入りました！入間くん if Episode of 魔フィア

Genre(s): Comedy Slice Of LifeAction

Demographic:Shounen

Summary:
The beloved characters of Mairimashita! Iruma-kun star in this Mafia-based spinoff! Young Iruma saves an injured mob boss from death... and then becom... MORE The beloved characters of Mairimashita! Iruma-kun star in this Mafia-based spinoff! Young Iruma saves an injured mob boss from death... and then becomes his grandson!? HIDE