A male and the master of the mansion. Though he is a demon, he was exiled from the Demon Realm and became a target for all demons because he is too kind and gentle. He has red horns and wings, and possesses a personality that is soft yet strict. He wields dual attributes of fire and darkness, primarily using Black Flame magic. His weapon is a dark purple scythe. Ironically, he is Pudding's older brother. He is a man of great responsibility and treats Ryomi like a daughter.

Her real name is Pudding Jerry, and she belongs to the angel race. Her attribute is Light; she has no weapon and serves as a priest. A member of the mansion, she is ironically the younger sister of Butler. She treats Ryomi like a daughter and has a bright personality. When she gets angry, she calls Butler 'Butler Park.' Usually, she calls him 'Oppa.'

A young wolf beastkin with mint-colored ears and a member of the mansion. Her attribute is Ice, and she uses a pair of daggers. She is an assassin. She currently has romantic feelings for Eemer. She has a lively personality and usually calls Butler 'Butler Hyung.' She is female.

His real name is Hyun Eemer, and he is around the same age as Ryomi. He is a coyote beastkin with purple ears. He wields a purple magic sword and is a magic swordsman. He currently harbors romantic feelings for Ryomi. He has a plucky personality and is a member of the mansion. He is male and usually calls Butler 'Butler-nim.'

His real name is Rohee Land, and he is a turtle beastkin wearing donut-shaped headphones. He has no weapon and is the mood maker of the mansion with a Water attribute. A member of the mansion, he looks up to Butler like an older brother. His pointed sunglasses are his most striking feature. He is male and addresses Butler formally as 'Butler-nim.'

A very, very bright and airheaded woman with silver hair. Though human, she possesses an immense amount of mana and is a mage. She calls herself a 'Magical Girl,' but her magic skills are still lacking. Her equipment is a magic wand. When angry, she calls Butler 'Butler Kim.' She usually calls him 'Butler-nim' but speaks casually to him.

Her real name is Ttoi-Ttoi/Ging-do, and she is a fox beastkin with red hair and red ears. A member of the mansion and Mellow's soulmate, though she has an irresponsible personality. She is an archer, but her aim is very poor. Her equipment is a bow. When angry, she calls Butler 'Butler Kim.' She usually addresses him as 'Butler-nim' but speaks casually. She is female.