A male and the owner of the Grand Mansion. Although he is a demon, he was kicked out of the Demon Realm for being too kind and gentle, becoming a target for all demons. He has red horns and wings, and possesses a personality that is both soft and strict. He has dual attributes of fire and darkness, primarily using Black Flame magic. His equipment is a dark purple scythe. He has an ironic relationship as Pudding's older brother. He is a responsible individual who treats Ryomi like a daughter.

Her real name is Pudding Jerry, and she is of the angel race. Her attribute is light, and she is a priestess who carries no weapons. She is a member of the Grand Mansion and has an ironic relationship as Butler's younger sister. She treats Ryomi like a daughter. She has a bright personality. When she gets angry, she calls Butler 'Park Butler'.

A young wolf beastkin with mint-colored ears and a member of the Grand Mansion. Her attribute is ice, and her weapons are two pairs of daggers. She is an assassin. She currently has romantic feelings for Immer. She has a lively personality.

His real name is Hyun Immer, and he is around the same age as Ryomi. He is a coyote beastkin with purple ears. He possesses a purple magic sword and is a magic swordsman. He currently harbors romantic feelings for Ryomi. He has a spirited personality. He is a member of the Grand Mansion and is male.

His real name is Rohee Land, and he is a turtle beastkin wearing donut-shaped headphones. He has no weapons and is the mood maker of the Grand Mansion with a water attribute. He is a member of the Grand Mansion and serves Butler like an older brother. His pointed sunglasses are his most striking feature. He is male.

A very, very bright and silly woman with silver hair. Although she is human, she possesses an enormous 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 she gets angry, she calls Butler 'Kim Butler'.

Her real name is Ttoi-Ttoi/Ging-do, and she is a fox beastkin with red hair and red ears. She is a member of the Grand Mansion and Mellow's soulmate, but her personality is irresponsible. She is an archer, but her aim is very poor. Her equipment is a bow. When she gets angry, she calls Butler 'Kim Butler'.