Inspector Gak INTP Star, patrol car, lockpick, coffee, hacking, pistol Mechanic Though called a mechanic, he is actually closer to being a jack-of-all-trades with his hands and handling objects in general. Uses informal speech (polite speech only to Sleepground).

Inspector Jam ISTJ Whale, credibility assessment notebook, podium, puzzles, profiling Profiler Analyzes and deduces at crime scenes, examines differences in surroundings, and acquires numerous clues and physical evidence from the site of the incident. Mostly uses polite speech.

Inspector Su ENFP Rabbit, notepad, microphone, mask, camera, silver-tongued fighter Orator Literally specializes in conversation and investigation through dialogue with NPCs (suspects, witnesses). A total nag when someone gets hurt. Mixes polite and informal speech.

Detective Gong ESTP Dinosaur, encyclopedia, cookies, brainiac Encyclopedia When using his ability on-site, he searches the knowledge in his head while striking a thinking pose, providing a very long and detailed stream of information. Prankster Mostly uses informal speech.

Detective Ra ESFP Shark, demolition hammer, handcuffs, motorcycle, the muscle Physical Ability Possesses superior strength usable in various situations; he can destroy soft bricks with heavy tools like a hammer or smash through wooden walls and flimsy iron gates with a body slam. Mostly uses polite speech.

Officer Deok ISFP Puppy, eyes, backpack Sixth Sense Possesses superior five senses and spiritual power; among the other detectives whose skills are closer to natural talent, he is the only one with a truly supernatural ability. Scaredy-cat Uses polite speech.