Nationality: Republic of Korea Birth: June 21, 1981 Gender: Male Age: 37 Body: 183cm / 71kg Occupation: Soldier, Mercenary (formerly) / Online Casino Owner (currently) Affiliation: Special Forces (discharged) / PMC Mercenary (2004–2012 / expelled) / Emperor Casino Owner (middle manager) Fighting Style: CQC / Knife Fighting Weapon: Knife / Sashimi knife

Introduction: A mercenary from the special forces and the practical enforcer of Emperor Casino. He has a cold and cruel personality, a dangerous man who does not hesitate to kill to achieve his goals. With overwhelming combat skills, he is considered one of the strongest adversaries for Ma Seok-do in the series.

Personality: Cold Cruel Taciturn Ruthless Persistent Almost no emotional fluctuations

Appearance: Tall with a solid build Short-cropped hair Sharp and intimidating impression Rough face with scars Military-like aura

Clothing: Black-toned outfits Functional jackets and tactical-style wear Neat and practical attire Clothing suited for combat rather than flashiness

Features: Special forces background Skilled in hand-to-hand combat Excellent at close-quarters combat using knives A villain with top-tier combat power in the series Exudes intimidation through actions rather than words

Famous Quotes: The number of members increased, so why is the dividend the same? / CEO Jang, you should answer my question. / You son of a bitch! You've got some nerve! You pathetic... cop bastard!

Nationality: China (before 2004) / Republic of Korea (after 2004) Birth: 1971 Gender: Male Age: 47 Body: 175cm / 80kg Family: Yuk Bok-ja (Mother / born 1944) Affiliation: Isu Clan Leader (1993–2004) / Korean Dream International Marriage CEO (2008) / Arcade Chairman (2018) Fighting Style: Brawling Weapon: Police baton Speaks with a Korean-Chinese (Joseonjok) accent

Introduction: Originally the leader of the Joseonjok gang Isu Clan. He barely survived being killed by Jang Chen, the leader of the Black Dragon Clan, during the Garibong-dong incident in 2004 (Jang Chen was arrested by Ma Seok-do). After drifting through businesses like international marriage services, he has completely washed his hands of crime and lives a normal life as an arcade owner. Ma Seok-do's long-time collaborator. Although he is full of bluffing and tricks, he has a lovable personality, providing crucial help while suffering through all sorts of trouble after getting caught up in Ma Seok-do's operations. The best scene-stealer character in the series.

Personality: Quick-witted Excellent wit and sense of humor Cowardly but helps when necessary Calculates profit but doesn't betray loyalty Gets along well with people with his unique sociability

Appearance: A man with long hair, flashy fashion, a sharp impression, and a style full of personality.

Clothing: Colorful suits Flashy shirts Use of sunglasses and accessories Fashion full of confidence

Famous Quotes: Fuck, this is bullshit... How did you know I was here?! / Fuck, you're harassing me again... / Fuck, leave this guy to me! / Fine, fuck it, let's do this!!

Nationality: Republic of Korea Birth: October 12, 1982 Age: 36 Gender: Male Occupation: Soldier (formerly) Affiliation: Special Forces (discharged) / PMC (expelled) / Emperor Casino (Manager) Fighting Style: Boxing / Knife Fighting Weapon: Dagger

Introduction: The manager of Emperor Casino who serves as Baek Chang-gi's right-hand man. He has a cold and cruel personality and acts as an enforcer who faithfully carries out Baek Chang-gi's orders.

Personality: Cold Strongly loyal Taciturn Cruel Excellent execution

Appearance: Short hair Sharp impression Sturdy build Strong eyes Intimidating atmosphere

Clothing: Black-toned outfits Practical clothing in tactical style Neat and clean attire

Features: Baek Chang-gi's closest confidant Excellent fighting skills Thorough in executing orders Enforcer who takes on dangerous missions Tendency to show no mercy to enemies

Famous Quotes: You heard about Cho Sung-jae who ran away, right? Don't get any ideas. / CEO Jang is not keeping his promise. / You son of a...!!!

Nationality: Republic of Korea Birth: May 18, 1981 Age: 37 Gender: Male Body: 179cm Affiliation: Emperor Casino (Founder and co-operator) / QM Holdings (CEO)

Introduction: An IT genius, the young CEO of the coin company QM Holdings, and Baek Chang-gi's business partner and superior. He oversees the operation of the illegal online gambling organization Emperor Casino. He is a friend and business partner of Baek Chang-gi. However, even though they are the same age, Baek Chang-gi mostly uses polite language to Jang Dong-cheol, while Jang Dong-cheol always speaks informally to him, viewing himself as the superior and Baek Chang-gi as the subordinate in their relationship. He has an inferiority complex toward Baek Chang-gi.

Personality: Intelligent Calculative Strongly ambitious Self-centered Quick situational judgment Strong survival instinct

Appearance: Clean hairstyle Slim build Sophisticated image Confident expression Businessman-like aura

Clothing: High-end suits Luxury-style clothing Sophisticated shirts and jackets

Famous Quotes: Oh, Chang-gi~/Ugh, fuck, that's scary! Huh? CEO Kwon, let's increase our security. Oh, and do you have a gun? A gun? So I can blow his head off. / CEO Kwon, that guy Chang-gi is a guy who doesn't even have cells that feel fear.

Nationality: Republic of Korea Birth: 1970 (estimated) Gender: Male Occupation: Police Officer (Detective) Affiliation: Seoul Metropolitan Police Agency, Regional Investigation Unit, Team 1 Leader Rank: Inspector

Introduction: The team leader of the Seoul Metropolitan Police Agency's Regional Investigation Unit. He is the benefactor who led Ma Seok-do to become a police officer. Based on his rich investigation experience and cool judgment, he leads Ma Seok-do and the team members against giant criminal organizations. A veteran police officer with a strong sense of responsibility and leadership.

Personality: Strong sense of responsibility Cool-headed Rational Excellent leadership Cares for subordinates

Appearance: Clean middle-aged impression Neat hairstyle Intellectual atmosphere Trustworthy appearance Charismatic presence

Clothing: Suit or shirt attire Neat police officer style Clean jacket Dignified and calm clothing

Features: Regional Investigation Unit Team Leader Ma Seok-do's superior Excellent organizational management skills Possesses rich investigation experience A leader-type figure who protects and supports team members Commander role overseeing violent crime investigations

Famous Quotes: Hey, the three of you just let one guy... I can't stop... I can't stop you guys. I can't stop you, sigh.... / Detective Jang, the weight is on your shoulders. / Hey Seok-do! They say something is broken here?

Nationality: Republic of Korea Age: Younger than Ma Seok-do Gender: Male Body: 180cm / 75kg Occupation: Police Officer (Detective) Affiliation: Seoul Metropolitan Police Agency, Regional Investigation Unit, Team 1 Detective Rank: Lieutenant (estimated) Fighting Style: European Jiu-Jitsu

Introduction: A detective in the Seoul Metropolitan Police Agency's Regional Investigation Unit, he is the detective who serves as Ma Seok-do's right-hand man. He is in a 'partner' position, sticking close to Ma Seok-do's side to learn about and participate in every case that occurs. He is very close to Ma Seok-do and calls him 'hyung'.

Personality: Strongly loyal Strong sense of responsibility Excellent execution Cheerful Strong camaraderie

Appearance: Healthy and sturdy build Strong-featured face Short and clean hairstyle Rough, detective-like atmosphere Reliable impression

Clothing: Practical detective clothing, mainly wearing casual shirts or jackets with jeans

Features: Core detective of the Regional Investigation Unit Ma Seok-do's long-time partner Skilled in field investigations and arrest operations Excellent teamwork with team members Action-oriented detective with strong physical strength and drive A person who actively steps forward to arrest criminals

Famous Quotes: CEO Jang Dong-cheol, he was quite famous as an IT prodigy since he was young. / Hey, have you ever heard of the Room of Truth? If you don't talk now? Then you're going to die by this mister's hand.

Nationality: Republic of Korea Gender: Female Occupation: Police Officer Affiliation: Seoul Metropolitan Police Agency, Cyber Crime Investigation Unit, Cyber Team Lead Rank: Lieutenant (estimated)

Introduction: An elite investigator in the Cyber Crime Investigation Unit. An expert in online crime tracking and digital forensics, she works with the Regional Investigation Unit to uncover the reality of a giant illegal gambling organization. A person with cool judgment and excellent investigation skills.

Personality: Calm Cool-headed Strong sense of responsibility Meticulous Strong sense of justice Secretly a bit of a klutz

Appearance: Neat and clean impression Clear, beautiful features Bobbed hairstyle reaching the shoulder line Neat and sophisticated atmosphere befitting a police officer

Clothing: Neat clothing centered on shirts and jackets Business casual style Clean and sophisticated attire Practical fashion befitting an investigator

Features: Member of the Cyber Crime Investigation Unit Digital forensics expert Excellent online crime tracking ability Conducts joint investigations with the Regional Investigation Unit Role of finding key clues to solve cases Elite investigator with excellent analytical skills and judgment

Famous Quotes: That's why we... synchronize. / Can I go out for backup? I want to go to the field, but I don't get many chances...

Nationality: Republic of Korea Gender: Male Occupation: Police Officer (Detective) Body: 182cm Affiliation: Seoul Metropolitan Police Agency, Regional Investigation Unit, Team 1 Detective Rank: Lieutenant (estimated) Fighting Style: Jiu-Jitsu

Introduction: A detective in the Regional Investigation Unit who tracks a large-scale online illegal gambling organization with Ma Seok-do. A veteran detective with a strong sense of responsibility and execution, he persistently investigates criminal organizations in cooperation with his colleagues. A reliable helper who actively participates in arresting criminals based on rough field experience. He is fluent in English and has surprisingly good command and leadership skills.

Personality: Diligent Strong sense of responsibility Proactive Loyal Calm

Appearance: Sturdy build Clean hairstyle Strong impression Reliable atmosphere befitting a detective Neat appearance

Clothing: Detective clothing centered on shirts and jumpers Practical casual style Clothing considering activity Clean and neat appearance

Famous Quotes: Mister, you're going to take the fall for everything at this rate. You're just a figurehead. / Ugh... seriously... are you really not going to talk until the end? I'm telling you, it's better for you to just talk to me, okay? / It's time to move out!

Nationality: Republic of Korea Gender: Male Body: 186cm Occupation: Soldier Affiliation: Special Forces (discharged) / PMC Mercenary / Emperor Casino Spy Weapon: Knife

Introduction: Baek Chang-gi's left-hand man. Although he is a member of Emperor Casino, unlike the expelled Baek Chang-gi and Jo Ji-hoon, he continues to work as a mercenary in a PMC, so he operates in Korea.

Personality: Cold Taciturn Strongly loyal Cruel Aggressive

Appearance: Sturdy build Short hair Intense eyes Rough impression Intimidating atmosphere

Clothing: Black-toned outfits Tactical style Practical jacket and pants Clothing emphasizing activity

Features: Baek Chang-gi's closest confidant Possesses excellent fighting skills Acts as an enforcer within the organization Exclusively handles dangerous missions Possesses ruthless violence Key villain character who opposes Ma Seok-do

Nationality: Republic of Korea Gender: Male Body: 180cm / 85kg Affiliation: Gangster (Boss) / QM Holdings Shareholder Weapon: Sashimi knife

Introduction: A gang boss hired by Jang Dong-cheol and a shareholder of QM Holdings. Although he looks over 50, he has a sturdy build for his age. He was hired by Jang Dong-cheol, who had no intention of giving Baek Chang-gi the promised dividend profits and casino operating rights, to eliminate Baek Chang-gi. While he grovels in front of Jang Dong-cheol, who is young enough to be his nephew, he shows his dislike for Jang's attitude by badmouthing him after Jang leaves the table first after a meal.

Personality: Quick-witted Calculative Realistic Excellent social skills Good crisis management ability

Appearance: Chubby and sturdy build Friendly yet sly impression Short hairstyle Face with personality Atmosphere with presence

Features: Jang Dong-cheol's close associate In charge of the organization's funds and operations Possesses excellent social skills Skilled at survival in crisis situations A character with a comical yet annoying charm

Famous Quotes: Haha fuck, it's hard to make money... / Now that it's time for you to go, I feel bad for you... Anything you want to say for the last time? / I'm busy too. Let's just go our separate ways.