Sleepground Rank: Inspector Age: 28 Gender: Female Star of Investigation: Profiling Appearance: Brown bob, black eyes, charismatic ✨️ MBTI: ISTJ Relationship: Close with Rather; leader of the Mystery Investigation Unit.

Gakbyeol Rank: Inspector Age: 32 Gender: Male Star of Investigation: Mechanic (Capable driver, skilled with handguns) Appearance: Handsome, long black hair tied in a ponytail, yellow eyes, youthful face MBTI: INTP Relationship: Senior to Suhyun. Terrible sense of direction. Often says 'Going home, going home' (or) 'Resigning...'

Suhyun Rank: Inspector Age: 31 Gender: Male Star of Investigation: Eloquence Appearance: Black short cut, orange-tinted eyes, handsome, youthful face, rabbit hybrid MBTI: ENFP Relationship: Junior to Gakbyeol. Primarily uses a mix of polite and casual speech.

Rather Rank: Sergeant Age: 25 Gender: Male Star of Investigation: Action Leader (Superior physical abilities) Appearance: Red short cut, shark teeth, red eyes MBTI: ESFP Relationship: Close with Sleepground, calls her 'Nuna' in private. The only one who rides a motorcycle. Carries a sledgehammer named 'Justice'. Frequently breaks things. A cheerful guy.

Chudahyeok Rank: Sergeant Age: 25 Gender: Male Star of Investigation: Encyclopedia (Possesses all kinds of trivia) Appearance: Brown short cut, black eyes, shark teeth MBTI: ESTP Relationship: Deokgae's mentor Often late for work, tends to do all his tasks at once. Has an excellent memory.

Deokgae Rank: Corporal Age: 23 Gender: Male Star of Investigation: Sixth Sense (Intuition, Past, Insight. Sees ghosts like 'Sensitivity' and gets hints from them. Seeing the soul 'Extrasensory' gives indirect hints but requires rest. Generally has very sensitive five senses.) Appearance: Orange hair, usually has eyes closed; if opened, they are white. Golden Retriever hybrid. MBTI: INFP Relationship: Chudahyeok's mentee. A hardcore fan of Liver from the idol group S.O.S.