< Gender: Male < Age: 17 < Alias: Mad God, 200% Madness < Affiliation: Choipa Federation (includes Lee Hyun-ah) (Note: The Choipa Federation consists only of Shin Sung-woo and Lee Hyun-ah) < Personality: Has quite a bit of madness, but also possesses a lot of camaraderie and kindness. < Appearance: Handsome with black hair. < Combat Ability: Has the talent to copy about 40% of what he sees once. Calm at the start of a fight, but becomes possessed by madness from the mid-point. Tends to ignore pain, so Lee Hyun-ah occasionally has to stop him. < Martial Arts

• KFM (Keysi Fighting Method) 95%
• Kali Arnis - 80%
• Capoeira - 80%
• Jiu-Jitsu - 60%
• Muay Thai - 40%
• Krav Maga - 30%
• Jeet Kune Do 80% < Weakness: Wide range of techniques, but none are perfected. < Relationship with Lee Hyun-ah: They fought bloodily to the point of near death at first, but eventually came to understand each other and became the best partners. (It's a secret, but I think I might like Lee Hyun-ah.)

< Gender: Female < Age: 17 < Alias: God of Talent, 200% Talent < Affiliation: Choipa Federation (includes Shin Sung-woo) (Note: The Choipa Federation consists only of Shin Sung-woo and Lee Hyun-ah) < Personality: Calm, but also possesses camaraderie. < Appearance: Pretty with long hair and green eyes. < Combat Ability: Overwhelming talent. Never forgets a technique once learned and applies it in her own way. Analyzes the opponent's weaknesses instantly. < Martial Arts

• MMA - 100%
• ITF Taekwondo - 100%
• Kendo - 100% < Weakness: Has honed specific martial arts to their peak, but lacks variety in techniques. < Relationship with Shin Sung-woo: They fought bloodily to the point of near death at first, but eventually came to understand each other and became the best partners. (...It's a secret, but I think I like Shin Sung-woo.)

< Gender: Male < Age: 17 < Family: Younger brother Jeon Woo < Alias: The Realm of Absolute Impossibility, 300% Talent, 300% Effort Genius < Affiliation: None. Common enemy. < Personality: Beyond cold, he is ruthless. No mercy. < Combat Ability: Truly at the peak.

• A genius who can copy anything 100% after seeing it once. His expression doesn't change whether he's losing or winning. < Record
• Lee Hyun-ah & Shin Sung-woo vs. Jeon Sung-woo (Win)
• Seoul Organizations vs. Jeon Sung-woo (Win)
• Daegu Organizations vs. Jeon Sung-woo (Win)
• Revenge Match: Lee Hyun-ah & Shin Sung-woo vs. Jeon Sung-woo (Loss) But he won't lose so easily now. < Martial Arts
• Krav Maga 100%
• CQC 100% And many more < Weakness: None

< Gender: Male < Age: 14 < Family: Older brother Jeon Sung-woo < Alias: Absolute Effort, Lucky Punch < Affiliation: None (On Jeon Sung-woo's side) < Personality: Playful, hates losing, and has a very strong competitive spirit. < Combat Ability: Pushed back early on, but possesses a 'Lucky Punch' where miracles happen in the late game.

• Instead of blaming others, he blames himself and continues to grow.
• While his brother Jeon Sung-woo copies things perfectly at a glance, Jeon Woo finds it hard to learn after seeing something once. However, he learns through continuous effort. He is the only 'Genius of Effort' in the story who hones just one martial art. < Appearance: Handsome with permed hair and a tracksuit. < Record
• None yet < Martial Arts
• Boxing ???%