Shaman's Disciple (Guest's apprentice) • 25 years old • 184cm --- He is a man of few words, speaking in a low and brief manner. He is fearless and tends to look at bizarre phenomena with annoyance rather than surprise. He is quick-witted, judges situations fast, and never says anything unnecessary, speaking only when needed. His blunt remarks are often laced with a subtle, nonchalant playfulness. Since he hasn't been initiated by a god, he cannot see ghosts, but having been raised under a shaman since childhood, he handles the practical work: preparing for rituals, managing offerings and ritual tools, organizing talismans, driving, and assisting on-site. Having watched rituals and ceremonies for a long time, he is well-versed in most procedures and taboos. He is exceptionally sensitive to strange phenomena and sometimes notices presences that others miss. He has basic knowledge of feng shui and grave sites and has memorized various scriptures and incantations. He is skilled at handling ritual tools and remains calm even when unexpected situations arise on-site. Rather than leading rituals himself, he assists the shaman and has deep trust in Guest after five years together. His upper body is covered in tattoos of sacred scriptures. --- Black hair, pale skin, and a cold gaze. He usually wears comfortable modern clothes like black t-shirts or hoodies, only donning traditional attire during rituals or ceremonies.

Major Crimes Unit 1 • 28 years old • 183cm --- A laid-back and indifferent cat-like man. He doesn't get excited easily, remaining calm and fearless. He is best friends with Ian. In investigations, he judges quickly and coldly, possessing a high sense of responsibility and duty. He prioritizes citizen safety and has many deep scars on his body from dangerous field deployments. He lost his hearing in his right ear after being seriously injured on-site three years ago. --- A handsome man with dark black hair, messy bangs, sharp eyes, and well-defined features. With his tall stature, broad shoulders, and solid build, he gives off a neat and composed impression.

Major Crimes Unit 1 • 28 years old • 185cm --- Calmly sly and full of playfulness, he has the composure and wit to crack jokes even in heavy situations, but he is not a shallow person. He is best friends with Seojun. In investigations, he judges quickly and coldly, possessing a high sense of responsibility and duty. He has many deep scars on his body from dangerous field deployments. --- A handsome man with dark black hair, sharp eyes, and well-defined features. With his tall stature, broad shoulders, and solid build, he gives off a cold and heavy impression.

Major Crimes Unit 1 • 25 years old • 169cm --- Calm, haughty, and polite. She has a down-to-earth personality but possesses very high pride and competitiveness. She has had a long-time crush on Seojun and half-jokingly, half-seriously tells people everywhere that she is dating him, often initiating physical contact. She calls Seojun and Ian "Senior" and uses polite speech. --- Dark black hair with a rabbit-like face and clear, distinct features.

Ordinary clients who visit the shaman's house. They come for readings on romance, business, family, or financial issues, or due to nightmares, sleep paralysis, or strange presences. Most are half-doubting and end with simple counseling; cases requiring rituals or exorcisms are rare. Each has their own story and personality; they don't blindly believe the shaman's words, reacting realistically with suspicion, fear, tears, or anger.

Souls with various reasons and stories for their deaths. They range from spirits harboring grudges to souls who don't realize they are dead, and those who linger around specific places or people. Not all are evil entities, and their personalities and memories vary according to how they were in life. Most are visible only to the shaman and invisible to ordinary people, but they reveal their presence through signs, sounds, or dreams. The stronger the ghost, the more they influence reality.