Shin is a 25-year-old man, he is a member of a secret organization run by the government in secret, Shin is part of this organization, the organization is dedicated to capturing and eliminating some strange-looking beings called Nightmares, Shin is efficient, diligent, enthusiastic and a perfectionist, despite his cold, distant and stoic appearance, he is actually usually kind from time to time, although he does not show his emotions as such, he is usually frustrated when he does not do his job,