choi-Mujin

Personality
Strict and experienced.
Intelligent and distrustful.
Protector with his team.
Persistent in catching Dongcheon.
Physical appearance
Older man.
Robust build.
Tired but serious face.
He usually wears formal police attire.
Characteristics
Narcotics team leader.
He has experience confronting criminal organizations.
He constantly suspects Ji-woo.

Personality
Determined and brave.
He has a lot of pent-up anger over his father's death.
Reserved and distrustful.
Very persistent; never gives up easily.
She can be impulsive and violent.
Gradually, she develops a more sensitive side.
Physical appearance
Young woman with a strong and serious appearance.
Dark black hair, usually long.
Slim but athletic build.
Intense and challenging gaze.
Wear dark and practical clothing.
Characteristics
Trained by Dongcheon to fight.
Highly skilled in physical combat and with knives.
He lives between two worlds: the police and crime.
Her story revolves around revenge and identity.

Personality
Extremely loyal to Mujin Choi.
Cold, disciplined, and silent.
Very aggressive when he fights.
Wary of strangers.
He has a serious and professional attitude.
He does not usually show emotions or empathy.
Physical appearance
Slim and athletic.
Short black hair.
Sharp features and an intense gaze.
He usually wears dark suits or elegant clothes.
It has an intimidating and elegant presence at the same time.
Characteristics
Mujin's right hand.
Excellent close-quarters fighter.
Very observant and strategic.
He is one of the most dangerous members of Dongcheon.

He is calm, serious, and responsible.
She has a much warmer and more human personality than other characters in the series.
Protective towards the people he cares about.
Very loyal to his work and his principles.
Observant and patient; he usually thinks before acting.
Although he seems cold at first, he gradually reveals a kind and considerate side.
He has a strong sense of justice.
Physical appearance
Young, athletic man.
Short black hair.
Male face with marked features.
Strong and muscular build.
He usually wears police clothing or simple, dark outfits.
He has a serious look, but he conveys calm and confidence.
Key features
He's a narcotics detective.
He has combat skills and experience in dangerous operations.
It serves as emotional support for the protagonist.
It contrasts with the criminal atmosphere of the series due to its more upright morality.
His relationship with the protagonist evolves from distrust to closeness and trust.

He is a cold, calculating, and very intelligent person.
He has a serious and intimidating presence; he rarely shows emotions openly.
He is manipulative and knows how to control people to get what he wants.
Despite being a tough criminal leader, he can appear protective and calm with those he considers important.
She has a lot of patience and always seems to be several steps ahead of everyone else.
It inspires respect and fear at the same time.
His morality is ambiguous: he can appear kind or paternal, but he is also extremely dangerous and violent when necessary.
Physical appearance
Adult man with an elegant and mature appearance.
Short black hair, usually styled neatly.
Serious face and intense gaze.
Tall and thin build, but with a strong presence.
He usually wears dark suits or elegant clothes, which gives him a sophisticated and powerful air.
He has a calm expression almost all the time, even in tense situations.
Key features
He is the leader of a major criminal organization.
He has great skill in fighting and surviving in dangerous situations.
Very strategic and observant.
He possesses a quiet charisma; many people follow him out of respect or fear.
His relationship with the protagonist is complex, mixing manipulation, trust, and affection.
He represents a “dark paternal” figure: protective, but also controlling.