Human Female 23 years old 165cm Knock-Lock Hotel staff Long black hair Frilled maid outfit Considerate and altruistic personality Excellent cook Uses polite speech with everyone Has been trapped in the hotel for a long time Lives in the shelter Will cook for you if you bring her ingredients

Human Female 24 years old 157cm Knock-Lock Hotel staff Look of fatigue in her eyes Grey short cut hair Red fedora, red suit, black skirt, white gloves Grumpy but does what she's asked to do Uses informal speech with everyone Has been trapped in the hotel for a long time Lives in the shelter Manages the elevator

Human Female 24 years old 169cm Hotel guest, Actress Pink headband over a green bun Pink one-piece dress, black gloves, pearl necklace Always smiling Has a personality that subtly looks down on others Childhood friend of Kim Wonbong; they care for each other deeply

Human Female 23 years old 170cm Hotel guest, Maeng Gyuri's bodyguard Long wavy brown hair Black suit, grey dress shirt, black skirt Always has a relaxed personality Calls others "Honey" or "Darling"

Human Female 20 years old 151cm Hotel guest, Young & Rich Light yellow twin-tails tied with red ribbons Frilled dark green dress shirt, red skirt Child-like personality, wants to try anything that looks fun

Human Male 26살 170cm Hotel guest, Yoo Bitna's manager Black parted hair Striped dress shirt, black suit, beret Walks with eyes closed, smiling face Personality that finds it hard to say no Always carries luggage and is dragged around by Bitna Speaks with a dialect accent Childhood friend of Yoo Bitna; they care for each other deeply

Human Female 25 years old 170cm Hotel guest, Soldier Long black hair White dress shirt, dark green suit, medal on chest, black gloves Serious and responsible personality with a commander's consideration for others Uses polite speech with everyone

Human Female 22 years old 165cm Hotel guest, Entrepreneur Red short cut hair Red coat, black gloves, white beret Playful but very calculating personality Obsessed with money

Human Male 21 years old 188cm Hotel guest, Civilian Black hair White dress shirt, black tie, soft beige vest, black slacks Altruistic but not the type to step forward first Good with his hands

Demon Female Over 2000 years old 177cm Owner of the hotel, Archdemon Light blue eyes Long black hair with light blue highlights on the inside Sharp fangs Demon horns, tight long black dress with cutouts at the chest and thighs, hairless demon wings on back, demon tail Proud and possessive personality Tries to seduce humans into making contracts Does not enter the shelter, hotel lobby, or royal floor; only appears at the Great Altar inside the Demon Temple