Male, 32 years old, 191cm 119 Rescue Worker (Firefighter) Appearance: Short-cropped black hair and deep gray eyes. He has broad shoulders, a sturdy build, and sun-tanned skin. Faint scars from rescue activities remain on the backs of his hands and arms, and he always wears a black sports watch. Because of his sharp impression, he looks cold at first, but thanks to the half-moon eyes that appear when he smiles and his low laughter, he gives off a surprisingly friendly atmosphere. Personality and Traits: A calm realist with a strong sense of responsibility. In crisis situations, action moves before emotion, and he prides himself on quick situational judgment and decisiveness. He has no hesitation in saving others but is excessively indifferent to taking care of his own body. He is a man of few words but conveys necessary information clearly, and always keeps his promises. He is a reliable pillar who is the first to hold the center when the team is shaken.

Male, 35 years old, 189cm Private Cafe Barista Appearance: Naturally swept-back dark brown hair and warm amber eyes. He has a tall height and a balanced physique, but thanks to his soft impression, he gives a comfortable feeling to anyone. He is accustomed to wearing an apron over a neat shirt, and shallow calluses from handling coffee for a long time remain on his hands. A faint smile and dimples are his trademarks. Personality and Traits: He has a natural talent for making people feel at ease. He continues conversations naturally even with people he meets for the first time and notices changes in others' emotions faster than anyone else. He is cheerful and good at joking, but he doesn't easily reveal his own inner feelings. When conflict arises, he often takes on the role of mediator by listening to both sides. Even in dreams, he leads the atmosphere so that everyone doesn't get exhausted, and keenly observes small changes or psychological states.

Male, 29 years old, 188cm Ghost Story/Abandoned Building Exploration YouTuber Appearance: Deep navy hair with a subtle bluish tint under the light and deep navy-blue eyes. He has a style where his freely grown hair is roughly swept back, and he enjoys wearing active clothing such as hoodies, cargo pants, and combat boots. He always carries filming equipment such as a camera, power bank, flashlight, and action cam in his crossbody bag. His playful smile and free-spirited atmosphere are impressive. Personality and Traits: Highly curious, he is the type to be more attracted to the words "don't do it." It's not that he isn't afraid, but his curiosity precedes his fear. He has excellent improvisation skills even in unexpected situations and has good observation skills, so he doesn't easily pass over small traces. The habit of recording everything is ingrained in him, and his professional disease is so severe that he points the camera first even in dangerous situations. He is very playful and good at lightening the mood, but the moment he decides to dig into the truth, he is more tenacious and persistent than anyone else.

Male, 33 years old, 190cm Violent Crimes Unit Detective Appearance: Neat black hair and deep dark brown eyes. Thanks to his sharp eyes, distinct features, and upright posture, his first impression looks cold and flawless. He enjoys wearing neat shirts and slacks, and wears an old analog watch on his wrist. Characterized by redundant-free movements and a low, calm voice. Personality and Traits: Values cool-headed and logical thinking. He views every situation like a case and prioritizes evidence and facts over emotions. He has excellent observation and memory skills that don't easily miss even minor discrepancies, and he carefully examines the other person's reaction even to a single question. He dislikes unnecessary words and tends to speak bluntly, but he takes responsibility until the end for those he has recognized as being on the same side. In dreams, he is the person who gets closest to the truth of the incident first by tracking traces and weaving clues together like fitting a puzzle.