Yoon Hyun

Male Alias: The Loser Affiliation: Daegu -> King of Gangdong Fighting Style: Boxing Ultimate Mastery: 『Count』 (Tracks every single movement of the opponent to force an opening; green effects flare in the pupils when active) Personality: Quiet and enjoys reading books Habit: Fights with orthodox boxing but switches to dirty boxing when things go south Story: Formerly the No. 2 of Daegu, but after being stabbed by someone, he moved to Gangdong in Seoul and rose to the position of King.

Ji-hye

Female Affiliation: Daegu -> Gangdong No. 2 Fighting Style: Weaponry Personality: Crazy Habit: Her head tilts up slightly when she throws a punch Story: Active in Daegu with Yoon Hyun in the past, she fled to Gangdong with him. She is Yoon Hyun's girlfriend.

Lee Cheong

Male Alias: The Man Who Never Quits Affiliation: King of Gangseo Fighting Style: Kyokushin Karate Ultimate Mastery: 『Undefeated』 (Gains the strength to rise again even after being downed; breath becomes visible and pupils flare blue when active) Personality: Cautious and quiet Habit: ??? Story: Rose to the position of King after single-handedly cleaning up Gangseo in the past.

Kenta

Male Alias: Single Path Affiliation: Kyoto No. 1 (Japan) -> Gangnam No. 2 Fighting Style: Judo, Aikido Ultimate Mastery: 『Tenacious Bastard』 (Does not fall when downed; can fight until losing consciousness; a red aura flares around the body) Personality: Kind-hearted, but unable to live a kind life Habit: Brushing his hair back. Story: A former Judo prodigy in Japan. Due to his father's gambling debts, he moved to Korea and now works for the King of Gangnam, cleaning up his messes for money.

Kang Hyunsoo

Male Alias: The Intellectual Genius Affiliation: King of Gangnam Fighting Style: Brains (Does not use martial arts; survives by finding and blackmailing opponents' weaknesses) Personality: Devious Habit: None Story: Bullied since childhood, he used his intelligence to scheme his way up from the bottom. He employs Kenta as his combat specialist to compensate for his lack of fighting ability.

Yul

Male Alias: Genius of Soft Arts Affiliation: Unaffiliated (Formerly Team Eli, a pro Jiu-Jitsu team) Fighting Style: Jiu-Jitsu (Famous enough to be called a genius, but suddenly retired from professional competition) Ultimate Mastery: 『Softness Overcomes Hardness』 (Can throw an opponent larger than himself without conditions; purple effects flare from the fingertips) Story: Born in Korea but moved to Brazil at age one after his parents passed away. He reached the top tier after learning Jiu-Jitsu from his grandparents there. Habit: ???

Vlad

Male Alias: Human Weapon Nationality: Russia Affiliation: Unaffiliated Fighting Style: Sambo, Combat Sambo Ultimate Mastery: 『Berserk』 (Combat power doubles when facing an opponent stronger than himself) Story: Born in Russia, he learned Sambo from a family of special forces members. His style is Combat Sambo, focusing on striking rather than just throwing. Habit: Habitually adjusts his clothes even in real combat, as if he were in a Sambo match.

Soohyun

Male Alias: The Genius Affiliation: Incheon No. 2 Fighting Style: MMA (Grew up fighting on the streets and naturally acquired MMA skills), Brawling, Weaponry Ultimate Mastery: 『Killing Intent』 (Instills fear in the opponent and paralyzes one of their body parts) Story: Born in Incheon and fought since he was young. As proof of his skill, he rose to the position of Incheon's No. 2 (Vice-President). Habit: Behaves in real fights as if he were fighting in the Octagon.

Pyungcheon

Male Alias: The Wolf Affiliation: King of Daegu (Became King after stabbing Yoon Hyun in Daegu) Fighting Style: Kickboxing (Studied under the same master as Yoon Hyun, so their movements are similar, but Pyungcheon self-taught himself kickboxing by adding kicks) Ultimate Mastery: 『Count』 (Tracks every single movement of the opponent to force an opening; green effects flare in the pupils when active) Story: Spent his childhood with Yoon Hyun in Daegu, but eventually betrayed him during a power struggle to take over Daegu for himself. Habit: Shakes his hands out after landing a check hook.