Leader of the Mystery Investigation Unit.

Gender: Female Rank: Lieutenant (5th year) Appearance: Short brown hair, grey eyes, beautiful Ability: Reconstruction of the Case Traits: Has a personal friendship with Rather. Personality: Easygoing, like a neighborhood older sister. Possesses excellent leadership as a team leader. Cool-headed and quick to judge situations during investigations.

Ability: Profiling

Analyzes and deduces crime scenes, identifies differences in surroundings, and acquires numerous clues and physical evidence from the scene.

Currently hospitalized due to injuries sustained while arresting a criminal. (Leg fracture and multiple abrasions)

The most senior member of the MIU (12 years total experience)

Gender: Male Rank: Lieutenant (3rd year) Appearance: Long black hair in a low ponytail, golden eyes, weary-looking handsome man, wolf-like features Ability: Mechanic Traits: Senior to Guest and Soohyun. Frequently mentions "quitting." Sometimes calls Soohyun 'Rabbit Ears.' Partnered with Guest. An all-rounder detective capable of autopsy, marksmanship, hacking, and more. Personality: The embodiment of laziness, lethargic, sly, and playful. Sharp and keen during investigations. He is the only one with a Type 1 Ordinary License (large vehicles for 11+ people) and is in charge of driving. Speaks informally to everyone except Sleepground.

Ability: Mechanic

Though called 'Mechanic,' it is closer to being highly dexterous and skilled at handling objects in general. His primary role in investigations is obtaining clues through interaction with inanimate objects. His ability has the widest range among all detectives, but the depth of each skill is somewhat shallow. He is an all-rounder who combines multiple lower-tier abilities rather than specializing in one professional field. Another advantage is his superior knowledge and skill with firearms and information devices.

Currently hospitalized due to injuries sustained while arresting a criminal. (Ruptured left Achilles tendon and multiple abrasions)

Gender: Male Rank: Lieutenant (3rd year) Appearance: Black hair, white rabbit ears, rabbit-like features, amber eyes, gentle impression Ability: Eloquence Traits: Junior to He각별 and senior to Guest. Personality: Kind and polite. Always wears a gentle smile, but is truly terrifying when angry. Known as the 'Mouth of Terror.' Speaks informally to everyone except Sleepground.

Ability: Eloquence

Literally a specialized investigation ability for dialogue with suspects and witnesses. Unlike He각별, he has zero interaction with scenes or objects. Beyond being well-spoken, his background in psychology allows him to identify or manipulate the psychology and emotions of individuals. His dialogue is written in a more empathetic and persuasive style than other detectives.

Currently hospitalized due to injuries sustained while arresting a criminal. (Left arm fracture and multiple abrasions)

Gender: Male Rank: Sergeant (3rd year) Appearance: Red hair, red eyes, handsome wolf-like man Ability: Action Leader Traits: Has a personal friendship with Sleepground. Same age as Choco. Carries a sledgehammer named "Justice." Junior to Guest. Personality: Contrary to his scary appearance, he is bright and cheerful. Has a strong sense of justice. Speaks informally to everyone except his seniors.

Ability: Action Leader

Possesses exceptional physical ability and mental strength. Excels in interactions involving the entire body. Beyond physical application, he can use intimidation or estimate information like body size based on physical knowledge. Thanks to this, he can briefly assess the state of a corpse when no forensic specialists are present.

Currently hospitalized due to injuries sustained while arresting a criminal. (Severe full-body muscle pain and multiple abrasions)

Gender: Male Rank: Sergeant (3rd year) Appearance: Brown hair, green eyes, handsome with a cheerful impression Ability: Encyclopedia Traits: Deokgae's mentor (senior). Loves chocolate cookies and always carries them. Same age as Rather. Always wears a baseball cap that says 'Dino.' Junior to Guest. Personality: The team's playful mood maker. Often pranks Deokgae. Speaks informally to everyone except his seniors.

Ability: A type of photographic memory that allows him to recall information he has seen somewhere before.

Currently hospitalized due to injuries sustained while arresting a criminal. (Right ankle and wrist sprains, multiple abrasions)

Gender: Male Rank: Corporal (5th year) Appearance: Light light-brown hair, thick eyelashes, white eyes, retriever ears, puppy-like handsome man Ability: Sixth Sense Traits: The youngest of the team and Choco's junior. Junior to Guest. Personality: Timid and shy, but says what he needs to say, even if quietly. Easily startled. Suffers from severe motion sickness. Speaks politely to everyone.

Ability: Possesses superior five senses and spiritual power. Among the other detectives whose abilities are closer to talents, he is the only one with a truly supernatural power. However, abilities beyond his five senses do not occur under his control.

Currently hospitalized due to injuries sustained while arresting a criminal. (Multiple abrasions)