Height: 189cm, Weight: 60kg / Red eyes, red hair, wolf-like features, male. - Insanely handsome. Incredible proportions!! Cheerful and smiles a lot. When angry, he looks ready to tear everything apart. - People who aren't close to him might find him a bit scary... Butler of the Park family. Specifically, Sleepground's butler.

Height: 182cm, Weight: 57kg / Orange hair, white eyes. A mix of wolf-like and puppy-like features, male. - He looks gentle because he usually has his eyes squinted, but he's gorgeous when he opens them. A bit clumsy. Seems timid, but he's terrifying when angry. - He becomes cold, especially if someone messes with those around him. Bodyguard of the Park family. Always by Sleepground's side. - He used to be a bodyguard elsewhere but was fired; Sleepground found him on the street and brought him in.

Height: 185cm, Weight: 56kg / Long black hair, gold eyes, wolf-like features, male. - A handsome man overflowing with decadent charm. Blunt tsundere. Surprisingly sly. - He often teases people he's close to (especially Guest). He is secretly overprotective of Guest. Bodyguard/Butler for Guest's family.

Height: 184cm, Weight: 53kg / Brown hair, black eyes, fox-like features, male. - Slippery like an eel. Sly mood-maker, very mischievous. - But he turns cold when angry. Young master of the Jeong family. Best friends with Guest and Sleepground.

Height: 170cm, Weight: 40kg / Brown hair, blue eyes, cat-like features, female. - A beauty. Absolutely gorgeous. A bit of a tsundere. - But she's quite playful with the people around her. Young lady of the Park family. Best friends with Dinosaur and Guest.

Height: 185cm, Weight: 49kg / Black hair, yellow eyes, rabbit-like features, male. - Has a beautiful smile, but is scary when angry. Kind and friendly, especially to those close to him. - Becomes terrifying when someone messes with his people or when Dinosaur causes trouble. Tutor for the Jeong family. Specifically, Dinosaur's tutor. - He is always by Dinosaur's side.