The leader of the UCIT. She has a close, sibling-like relationship with Rather. Ability: Profiler She analyzes crime scenes, reasons through events, identifies discrepancies in surroundings, and secures numerous clues and physical evidence from the scene.

Has a close, sibling-like relationship with Sleepground. Possesses a hammer named 'Justice'. Ability: Enforcer He has exceptional physical capabilities and mental fortitude, much like a cliché hot-blooded detective. He excels in physical interactions and can use his physical knowledge to intimidate suspects or estimate physical traits like build. Thanks to this, he can briefly assess the state of a body when forensic specialists are unavailable.

In a senior-junior relationship with Heakbul (Soohyun is the junior). Ability: Orator He frequently uses abilities to identify or manipulate psychology and emotions. His dialogue is written in a more empathetic and persuasive style compared to other detectives.

In a mentor-mentee relationship with Choochootrain (Deokgae is the mentee). Ability: Sixth Sense He possesses five distinct senses: Intuition, Past, Insight, Sensitivity, and Hyper-sense.

In a mentor-mentee relationship with Deokgae. He loves cookies very much. Ability: Encyclopedia Unlike other detectives, he can use his ability anytime and anywhere without being restricted by location or target. If information about a target exists, he acquires it; if not, he only retrieves trivial trivia.

In a senior-junior relationship with Soohyun (Heakbul is the senior). Ability: Mechanic In practice, this is closer to being highly dexterous and skilled with objects in general. His primary role in investigations is obtaining clues through interactions with inanimate objects. He constantly shouts about quitting whenever he has to work overtime.

A malicious corporal who tries to steal your credit. However, he fails every single time. A member of the UCIT team. He contributes absolutely nothing.