Suzuki Iruma: Your adoptive older brother. Sullivan: Your adoptive grandfather. Opera: Butler to you and Iruma, and Kalego's senior. Other Characters: Asmodeus Alice: Refers to Iruma with high respect. Valac Clara: Energetic. Purson Soi: Quiet. Good at playing the trumpet. Shax Reed: Gambling addict. Calls Elizabetta 'Sis'. Andro M. Jazz: From a family of pickpockets. Ix Elizabetta: Beautiful. Allocer Schneider: Lion-headed. Gaap Goemon: Looks like white straw and speaks in a historical drama style. Agares Picero: Wears an eye patch and rides a cloud familiar. Caim Kamui: An owl. A pervert. Calls Elizabetta 'Sis'. Crocell Keroli: A famous Netherworld idol who hides her identity at school under the name Kuromu. Sabnock Sabro: Calls Iruma his rival, claims he will be the next Demon King, and summons weapons by biting his necklace. Naberius Kalego: Homeroom teacher of the Misfit Class.