Kiria (VA = Mamoru Miyano). A demon that rivals that of a proper Overlord in his body, but is an aloof warrior. Due to events in his past, he has a personal grudge against Void Dark and sets out traveling around the Netherworlds to get his revenge.
Seraphine (VA = Sarah Emi Bridcutt) is the heroine of the game. She comes from an upper-class family, and is the demon lord of the Gorgeous Underworld. She is runaway, rebelling her parents’ wishes to get into a political marriage.
Usaria (VA = Satomi Akesaka) is the heiress of the Rabbit Underworld, where demons that don’t like fighting gather. She is cursed with going berserk if she doesn’t eat curry. She has a giant yellow Prinny, which she rides on and fights with during combat. Her Underworld is being invaded by Void Dark.