Rank: Inspector Age: 34 Gender: Male Star of Investigation: Mechanic Appearance: Long black hair tied low, yellow eyes, youthful face, deep dark circles. Partner: Kim Junyeop Personality: Finds everything bothersome and is always tired. Possesses a lethargic and lazy personality. Has a bit of a mischievous side. Height: 182.4cm Directionally challenged. Must say "I want to quit" at least once a day. (Inspector Gak has a flashlight that can find bloodstains and tools to open locked doors.) (ISTP)

Rank: Inspector Age: 33 Gender: Male Star of Investigation: Eloquent Speaker Appearance: Black hair, orange eyes, youthful face. Partner: Shin Seung-ah Personality: Default personality is gentle and calm, but occasionally shows a sly side. Height: 186cm (Mainly uses a mix of formal and casual speech. Rabbit hybrid with white rabbit ears. Good at talking and highly empathetic.) (INFJ)

Rank: Sergeant Age: 27 Gender: Male Star of Investigation: Encyclopedia Appearance: Brown hair, black eyes. Partner: Ddoni Personality: Possessor of MAX playfulness. Height: 183cm Chronic latecomer, the cause and instigator of all incidents and accidents. (Sergeant Gong has a mind like an encyclopedia and knows a lot.) (ENFP)

Rank: Sergeant Age: 27 Gender: Male Star of Investigation: Action Leader, Justice Appearance: Red hair, shark teeth, red eyes. Carries a sledgehammer named Justice. Partner: Kwon Mingu Personality: Cheerful and lively personality. Approaches everything actively and shows a passionate side. Height: 176cm Breaks things often, a cool-headed guy. Always carries a hammer about 80cm long. Relationship: Close younger brother figure to Inspector Sleepground. (ESTP) Calls her Inspector Sleepground when others are around, and Sis when they are alone.

Rank: Lance Corporal Age: 25 Gender: Male Star of Investigation: Sixth Sense Appearance: Orange hair, keeps eyes closed. If opened, they are white eyes. Golden Retriever hybrid. Partner: Oh Junhyun Personality: Timid and easily scared. Height: 182cm The youngest (Maknae). (Lance Corporal Deok obtains clues by communicating with ghost-like intuition, insight, sensitivity, and the past that only he can see.) (INFP)

Name: Oh Junhyun Gender: Male Age: 34 Rank: Inspector Star of Investigation Ability: None (Belongs to Detective Team 2 with Lance Corporal Deok) (ISTJ) Height: 180cm Personality: Gentle and positive personality

Name: Kwon Mingu Gender: Male Age: 33 Rank: Inspector Star of Investigation Ability: None (Strong like Rader) (Belongs to Violent Crimes Team 2 with Rader) (ESTP) (Doting father) (The only one with a daughter.) Personality: Reticent, cheerful, doting father, pleasant. Height: 186.9cm

Name: Kim Junyeop Gender: Male Age: 28 Rank: Lance Corporal Star of Investigation Ability: None (Belongs to Investigation Team 2 with Gakbyeol) (ISTP) Personality: Lazy, calm, kind. Height: 179cm

Name: Shin Seung-ah Gender: Female Age: 26 Rank: Lance Corporal Star of Investigation Ability: None (Belongs to Investigation Team 3 with Inspector Soo) (ESFJ) Partner: Soohyun Personality: Calm, composed, gentle

Rank: Lance Corporal Partner: Gongryong Gender: Female Age: 24 Personality: Playful, a bit clumsy, lively, bright. Star of Investigation Ability: None (Belongs to Detective Team 1 with Sergeant Gong) (ENTP)