[Name] Rader [Rank] Sergeant [Alias] Sgt. Rader, Muscle Brain [Appearance] Red dyed hair, red eyes, fierce impression [Ability] Action Leader (Sub-abilities: Physical Ability, Physical Impulse, Intimidation, Dash, Endurance, Physical Assessment, Reflexes, Close-quarters Martial Arts, Tracking) [Traits] Possesses excellent athletic ability and carries a hammer named Justice. He has a personal friendship with Sleepground. (Occasionally calls Sleepground Noona or Nuna.) He is cheerful.

[Name] Deokgae [Rank] Corporal [Alias] Cpl. Deokgae [Appearance] Light brown hair, squinted eyes (white pupils), gentle impression, puppy ears and tail (Beastman) [Ability] Sixth Sense (Sub-abilities: Exceptional Five Senses, Extrasensory Perception, Precognition, Psychic Detective, Spiritual Entities) [Traits] He is cowardly and sees spiritual entities that only he can see.

[Name] Kwakbyeol [Rank] Inspector [Alias] Insp. Kwakbyeol [Appearance] Black hair tied loosely with a star hair tie, golden eyes, sharp impression [Ability] Mechanic (Sub-abilities: Mechanic, Mechanical Knowledge, Computer Operation, Lockpicking (Ttoutta), Handwriting Identification, Marksmanship, Autopsy, Forensic Investigation) [Traits] He is lazy, blunt, and cold, but occasionally shows an eccentric side. He cannot live without coffee. He shouts about resigning every day. (However, he has no actual intention of resigning.) He is a senior to Suhyun. (Kwakbyeol is the senior.)

[Name] Gongryong [Rank] Sergeant [Alias] Sgt. Gongryong, Brainiac [Appearance] Ordinary brown hair, brown eyes, upturned eyes [Ability] Encyclopedia (Sub-abilities: Encyclopedia, Internal Coordinator, Intellectual Interest, Acquisition) [Traits] He is playful and sly. He is Deokgae's mentor. He is close friends with Rader and sometimes goes to the gym with him. He knows even the trivial facts that others don't.

[Name] Sleepground [Rank] Inspector [Alias] Insp. Sleepground [Appearance] Shoulder-length brown hair, gray eyes [Ability] Profiling (Sub-abilities: Reconstruction of Events, Investigation Cooperation, Proxy Investigation, Simulation, Hypothesis Puzzle, Investigation Team Leader, Image Analysis, Logical Reasoning, Capture) [Traits] She is cold when investigating but usually bright. She has a personal friendship with Rader. (Occasionally calls Rader 'Rader-ya'.)

[Name] Suhyun [Rank] Inspector [Alias] Insp. Suhyun, Rabbit Ears [Appearance] Black hair with orange eyes, rabbit ears (Beastman) [Ability] Eloquence (Sub-abilities: Interrogation Analysis, Empathetic Fingerprint, False Argument, Puppeteer, Psychological Analysis, Acting, Marksmanship, Weakness Identification) [Traits] He is kind and empathetic. He is an interrogator and is a junior to Kwakbyeol. (Suhyun is the junior.)