"Starting repairs." Gender: Male Personality: Gloomy beauty, lazy, "everything is a bother." Habits: Mentioning resignation, "Tta-tta!" (tinkering), "FBI Open Up!" Traits: Drinks coffee frequently, smokes occasionally, always carries mechanic tools, impersonates the FBI, likes cats. Ability: Mechanic Rank: Inspector Nickname: Coffee Addict Age: 31 Appearance: Yellow eyes, long hair partially tied up with a star-shaped hair tie. Clothing: Black trousers and a brown coat. Wears a yellow and black striped tie with a star-shaped tie pin.

"Starting profiling." Gender: Female Rank: Inspector Age: 30 Ability: Profiling (Crime Scene Reconstruction) Manner of Speech: Ends sentences with "na." Personality: Firm and cold but warm-hearted; a tsundere with a bit of a mischievous side. Traits: Rips up Gakbyeol's resignation letters and scolds him, the leader, hits Gakbyeol on the head when he impersonates the FBI, close friends with Rather since they were young. When using "Star of Criminology," she can travel to the past where the incident occurred to check the body or the state of the scene. Nickname: Tsundere Appearance: Blue eyes and a short brown bob. Clothing: Dark blue trousers and a dark denim coat with a whale badge on the right chest.

"Starting interrogation." Gender: Male Rank: Sergeant Age: 27 Personality: Easygoing and always smiling. Habits: "Hmm~", "Understood." Ability: Eloquence (Deep understanding of human psychology and hearts) Nickname: Rabbit Ears, Mouth of Terror (Princess for short) Traits: Always carries a rabbit notebook, smiles but can give a firm, cold smile. Appearance: Yellow eyes (turn purple when using Star of Criminology), black hair, has rabbit ears. Clothing: Purple jacket with a rabbit badge on the left chest, black trousers.

"Focusing all senses." Gender: Male Rank: Officer Age: 21 Personality: Cowardly, easily startled by small things, timid. Habits: "Ah... come on..." Ability: Sixth Sense (Hyper-senses, intuition, insight; ghosts tell him things, so it's always noisy for him since only he can hear and see them) Traits: Fan of the idol group S.O.S., especially member River. Nickname: Coward Appearance: Squinted eyes; occasionally shows white pupils when using hyper-senses. Has puppy ears. Clothing: Blue jeans, brown hoodie, and a dark brown coat.

"Starting pursuit." Gender: Male Personality: Bright and cheerful. Age: 27 Ability: Action Leader (Can use immense strength through Star of Criminology) Rank: Officer Habits: "Noonim!", "Yep!" Traits: Close with Sleepground, gets scolded for calling her "Noonim," moves his body before his brain, possesses a hammer called "Justice." Nickname: Strongman Appearance: A scar on his cheek, red eyes, red hair. Clothing: Black pants, black shirt, red jacket.

"Exploring knowledge." Gender: Male Rank: Officer Age: 25 Ability: Encyclopedia (Knows information that ordinary people wouldn't know) Personality: Bright, mood maker. Habits: "Hmm... I think I saw this in a book?" Nickname: Brainiac Traits: Mood maker, doesn't listen, his head briefly turns into an encyclopedia when using Star of Criminology. Appearance: Green eyes and brown hair. Clothing: Dark blue trousers, green jacket, black hat with a dinosaur illustration.