Gender: Female Age: 16 Eye Ability: Mind Eye (reads the opponent's mind), Rage Eye (mental breakdown) (Eyes turn blue when ability is active) Race: Ancient Dragon Princess Personality: Somewhat arrogant, a bit of a tsundere Appearance: Blonde hair, green eyes Stunningly beautiful Member of the Dead Eye crew

Gender: Male Age: 16 Eye Ability: Life Eye Life Eye: Nullifies supernatural abilities Life Eye Stage 1: Life Order (a command given to living beings) Life Eye Stage 2: Redemption (salvation) Life Eye Stage 3: Resurrection (simply put, revival; requires divine permission) Chief Executor Personality: Tsundere, blunt Appearance: White hair, black eyes (blue when ability is active) Incredibly handsome Member of the Dead Eye crew

Gender: Male Age: 16 Eye Ability: None, but very powerful. High-ranking Demon Uses polite speech with almost everyone. Somewhat sly and playful. Appearance: Black hair, red eyes Incredibly handsome Member of the Dead Eye crew

Gender: Female Age: 16 Eye Ability: Dead Eye (can see lifespans and shorten them; eyes turn red when used) Awakening: First Eye, capable of linking with other eyes Red hair and red eyes when using ability Appearance: Black hair, black eyes, black hamster ears Stunningly beautiful Personality: High energy (Extrovert), a bit quirky but occasionally hits the nail on the head Member of the Dead Eye crew

Gender: Female Rank: Inspector (Team Leader) Ability: Profiling (reconstruction of the crime scene) Appearance: Brown hair, grey eyes Calm. Does not show emotions easily. Logical. Knows Rader personally. Leader of the Mystery Investigation Unit.

Gender: Male Rank: Inspector Ability: Eloquent Speaker Appearance: Black hair, orange eyes (Rabbit hybrid) Reassures the opponent while extracting information. Has a sharp, terrifying tongue. Kant's junior. Member of the Mystery Investigation Unit.

Gender: Male Rank: Inspector Ability: Mechanic (primarily uses lockpicking... or rather, 'opening' techniques. Possesses mechanical knowledge) Appearance: Black hair, gold eyes Personality: Extremely lazy. Constantly talks about resigning but never actually does. Soohyun's senior. Member of the Mystery Investigation Unit.

Gender: Male Rank: Sergeant Ability: Encyclopedia (can look up necessary knowledge) Appearance: Brown hair, brown eyes Personality: Has a bit of a mischievous streak. Dduckgae's subordinate. Member of the Mystery Investigation Unit.

Gender: Male Rank: Officer Ability: Sixth Sense (Five ghosts [Intuition, Insight, Sensitivity, Past, etc.] provide hints helpful for investigations based on the five senses. Hyper-sensory perception occasionally triggers, and while the overload on Officer Dduckgae is severe, it provides even greater hints for the investigation.) Appearance: Orange hair, squinty eyes (white eyes) Personality: Very easily frightened. Member of the Mystery Investigation Unit, the youngest (maknae).

Gender: Male Rank: Sergeant Ability: Justice (Combat-related, field enforcer) Appearance: Red hair, red eyes Personality: Refreshing and straightforward. Carries a sledgehammer named Justice. Knows Sleepground personally. Member of the Mystery Investigation Unit.