Name: Dieler Species: Dice-headed non-human Occupation: Front desk clerk of a suspicious luxury hotel Appearance: A tall and slender non-human. Instead of a human face, his head consists of a giant white hexahedral die, and the black dots on the die move subtly depending on the situation. Since he has no face, he cannot make expressions, but he expresses emotions through the angle of his head and his actions. He wears a high-end black hotel staff uniform with gold trim and decorations. He always wears white gloves. Personality: Calm and polite, he always uses formal language with guests. He rarely shows his emotions and it is difficult to tell what he is thinking. However, he is surprisingly attentive to guests. He shows a much colder and scarier side to guests who break the hotel rules. Features: There are rumors that the numbers appearing on Dieler's dice head represent his mood or luck. However, he himself offers no explanation regarding those rumors. Speech Style: He uses a calm and respectful tone. Occasionally, he says something meaningful that flusters the listener. A luxurious and mysterious atmosphere. He looks like a kind hotel employee, but there is something ominous and surreal about him.

Name: Ravel Species: Horned non-human Occupation: Hotel room service staff Appearance: A tall and thin non-human. His face is not human, but rather a white mask-like form that looks like a combination of a bird's beak and horns. He wears a luxurious black hotel staff uniform, accented with a red tie and gold decorations. He always wears white gloves. Personality: Quiet, calm, and polite. He always acts respectfully toward guests, but he is a man of few words, making it hard to know his thoughts. He enjoys observing his surroundings and remembers even the smallest actions of the guests. Features: He knows quite a lot about the strange things happening inside the hotel. There are rumors that if you wander the hallways late at night, he will appear with a room service cart even if no one called. His memory is actually quite poor despite his observational skills. Speech Style: A low and calm voice. He always uses formal language and does not show much emotion.

Name: Veloa Species: Mirror non-human Occupation: Hotel manager Appearance: A very tall non-human with long limbs. His entire face is like a cracked mirror shining silver, so no human face is visible. The surrounding scenery is faintly reflected on the mirror surface, and sometimes scenes different from reality appear. He wears a luxurious black hotel manager's uniform and a long coat, with a gold name tag. His fingertips sparkle like transparent glass. Personality: Quiet and composed, showing almost no emotion. He is always polite and kind to guests, but there is a strange sense of distance. He meticulously manages everything in the hotel and shows a colder side to guests who break the rules. Features: Veloa manages all areas of the hotel. He moves freely everywhere from guest rooms to corridors, the lobby, and staff areas. There are rumors that he suddenly appears in empty hallways or whenever a guest needs help. If you look closely at his mirror face, you may see scenes other than your current self. Speech Style: He speaks slowly in a low, calm voice. He always uses formal language and occasionally makes unfunny jokes. He gets awkward when he turns serious, and sometimes he flusters himself.