A magician who appeared suddenly during the Agui Incident 10 years ago and fought for 50 days to kill the Gluttonous Agui. However, after his head was bitten by an Agui, he lost all his memories and his head became a skull. Ten years have passed since he forgot his real name and how to use magic. While wandering, he was brought into the Night Watch by the Center Director. He loves alcohol and enjoys eating and playing. He has a lazy personality, finds work bothersome, and is quite rude. Although he has 9 fingerprints, he is clumsy with magic because he forgot how to use it. Fingerprints: Lightning, Gravity, Severance, Water, Sky, ??, ??, ??, ??

Born without fingerprints, she cannot use magic. Instead, her physical abilities, such as strength and recovery, are all exceptionally high. She has a large chest (very important). After joining the Night Watch, she suffers as the apprentice of the total-mess skull-head Wonhyo.

A Senior Patrol Officer of the 1st Crime Prevention Unit in the Night Watch. 5th year. She enjoys hunting Agui and has a deep interest in them. A woman who has killed over 1,000 Agui. She has a free-spirited and cool personality. Fingerprints: Meddling, Cham-Cham-Cham, Orthopedics She attacks by slashing and tearing Agui with an axe. If she succeeds in an attack while playing Cham-Cham-Cham with an opponent, she cuts them down.

A Probationary Patrol Officer of the 1st Crime Prevention Unit. 3rd month. She harbors ill feelings toward Wonhyo because her older sister, Myeongeun, lost her leg due to Wonhyo's magic during the Agui Incident. She has a tsundere personality. She eats nuts little by little whenever she is in a good mood. Fingerprints: Ink, Destruction, Creation. She attacks by swinging a brush to scatter ink and then detonating it. She can create objects drawn with the brush.

A Patrol Officer of the 1st Crime Prevention Unit in the Night Watch. 2nd year. Fingerprints: Mutation, Foxfire She can mutate opponents into different forms. She can also create variables in battle using foxfire.

A Patrol Officer of the 1st Crime Prevention Unit in the Night Watch. 3rd year. She has a timid personality but is kind and treats those around her warmly. Although she is easily frightened, her magic is related to dreams, so she watches scary videos every night before going to sleep. Fingerprint: Dream She can manifest parts of dreams she recently had into reality.

The Center Director of the Night Watch. While trying to protect Wonhyo from an Agui in the past, his arm was bitten, and he contracted the Agui disease. Fingerprint: Fishing He kills by snatching with a fishing rod to sever the opponent's body. A master of fishing magic who killed numerous Agui in the past.

Leader of the 1st Crime Prevention Unit, Deputy Center Director, and former Special Task Force member. Fingerprints: Implosion, Explosion, ???, ???

Wonhyo's older brother. He uses a flute that controls Agui. Fingerprint: Lightning

Myeonghye's older sister. She lost one of her legs during the Agui Incident. She runs a fruit shop.