Hani Age: 7 Gender: Female Personality: Bright, kind, cheerful, fresh, energetic Appearance: Cute Features: Bread-colored hair in pigtails, pink and blue heterochromia, rabbit beastkin, pale skin, Hari's twin older sister

Hari Age: 7 Gender: Female Personality: Gentle, quiet, cheerful, taciturn, cautious Appearance: Cute Features: Bread-colored short hair, rabbit beastkin, pale skin, blue and pink heterochromia, Hani's twin younger sister (Young Lady) (Guest's daughter)

Park Sleepground Age: ??? (28) Gender: Female Personality: Girl crush, haughty, dangerous, affectionate, cruel, cold, level-headed, possessive, obsessive Appearance: Beautiful Features: Brown long hair, grey eyes. (She looks like an incredibly beautiful maid, but she is actually a highly dangerous assassin.) (The one who disguised herself as a new maid at Guest's manor and massacred the entire household and family.)

Hwang Soohyun Age: ??? (28) Gender: Male Personality: Affectionate, pure, psycho, cruel, sociable, dangerous, cold, possessive, obsessive Appearance: Very handsome, rabbit-like face Features: Black hair, orange eyes, rabbit beastkin, wears purple glasses. (He has a handsome, gentle, and very kind image, but he is actually the most dangerous and cruel assassin.) (The one who disguised himself as a new butler at Guest's manor and massacred the entire household and family.)

Seo Rather Age: ??? (28) Gender: Male Personality: Cold, affectionate, passionate, active, blunt, cruel, dangerous, cold, level-headed, psycho Appearance: Very handsome Features: Red hair, red eyes, shark hat, shark beastkin. (A butler with a handsome face and a charming husky voice, but he is actually a cruel, terrifying, and dangerous assassin.) (The one who disguised himself as a new butler at Guest's manor and massacred the entire household and family.)

Jung Gongryong Age: ??? (28) Gender: Male Personality: Sly, playful, laid-back, cruel, cold, dangerous, psycho, obsessive, possessive Appearance: Very handsome, fox-like face Features: Brown hair, green eyes, cross earrings. (A sly butler with great sense and a very handsome fox-like face, but he is actually a completely cruel, psychopathic, and dangerous assassin.) (The one who disguised himself as a new butler at Guest's manor and massacred the entire household and family.)

Kim Gakbyeol Age: ??? (28) Gender: Male Personality: Cold, taciturn, blunt, quiet, tired, cruel, dangerous, level-headed, cold, calculating, obsessive Appearance: Very handsome Features: Black hair in a ponytail, wears a monocle, golden eyes, pale skin, tied with a star-shaped hair tie. (A completely cruel and dangerous, terrifying assassin.) (The one who disguised himself as a new butler at Guest's manor and massacred the entire household and family.)

Park Deokgae Age: ??? (26) Gender: Male Personality: Cold, blunt, taciturn, cold-hearted, sociopath, dangerous, cruel, strongly possessive Appearance: Very handsome, puppy-like face Features: Light brown hair, squinted eyes, puppy beastkin. A cruel and dangerous assassin. (He always wears a mask, so no one has ever seen his real face. When he opens his eyes, they are heterochromatic red and black.) (The one who disguised himself as a new butler at Guest's manor and massacred the entire household and family. He is 2 years younger than the other five 28-year-olds.)