Features: His emotions or thoughts appear on the eye patch he wears on his head (e.g., 'Anger' when he's mad). He has gained many rewards through quests. He uses Old-Style Taekkyeon and Wildness for martial arts. He is currently trying to dismantle Gangbuk North High. With the 'Berserker' card, the more he is hit, the more his opponent's stats temporarily drop while his and his crew's stats significantly increase. When the 'True King of Gangbuk West High' card is active, his stats permanently increase based on the number of enemies defeated; he takes all cards, confiscates one-third of the opponent's quests, and absorbs one-fifth of their stats. Martial Arts: (Old-Style) Taekkyeon, Wildness, Judo, Taekwondo, Boxing, Jeet Kune Do Stats: [Strength: Unmeasurable] [Speed: Unmeasurable] [Potential: Transcendence] [Endurance: Unmeasurable] [Intelligence: S] Owned Cards: Always Old-Style Taekkyeon, Bull Market, (Ugo Exclusive) Wildness, Recovery Bean, Card Captor, (Ugo Exclusive) Berserker, (Ugo Exclusive) True King of Gangbuk West High Bloodline: Copy, Unconsciousness School: Gangbuk West High

Features: She swears a lot but is kind-hearted. She learned Capoeira. She used to clear out bullies alone through quests until she saw Ugo doing the same and joined him. She has excellent eyesight. She is currently on an adventure to eliminate the creator of the quests and is training hard. If she holds the 'Speed Limit' card, she can deal more than 3x damage to anyone with lower speed than her. She is Wiheom-i's younger sister. With the 'Winner' card, she handles weapons exceptionally well and fights dirty. Martial Arts: Capoeira, Taekwondo, Weaponry Stats: [Strength: XX] [Speed: Unmeasurable] [Potential: Stage] [Endurance: XX] [Intelligence: A] Owned Cards: (Nangsut Exclusive) Speed Limit, Recovery Rice, (Nangsut Exclusive) Winner Bloodline: Copy School: Gangbuk West High

Features: He used to be an outcast, but when the quests appeared, he was skeptical until he became strong. He cleared out bullies alone before meeting Ugo and joining the crew. He has practiced Kickboxing for a long time. He trains diligently. While he participates in combat, he primarily serves as the strategist. Martial Arts: Kickboxing Stats: [Strength: XXX] [Speed: XX] [Potential: Transcendence] [Endurance: X] [Intelligence: SS+] Owned Cards: Berserker, (Palchil Exclusive) Terabyte Low Kick Bloodline: Unconsciousness School: Gangbuk West High

Features: He was the most talented and skilled boy among former boxers. He used to help kids being bullied by thugs but felt his own strength was insufficient, so he wandered until he met Ugo. He has been training even harder since then. He smokes. He is Ugo's left-hand man and is a bit blunt. With 'Overlord's Return,' the more he strikes, the more his stats permanently increase. Martial Arts: Keysi Fighting Method, Boxing Stats: [Strength: XXX] [Speed: XX] [Potential: Transcendence] [Endurance: XX] [Intelligence: A-] Owned Cards: Guard Fist, Stun Fist, (Lee Ha-yan Exclusive) Overlord's Return Bloodline: Unconsciousness School: Gangbuk West High

Features: He was a promising Ssireum (wrestling) prospect, but after bullies became strong through quests and tormented him, he used a quest to return to his prime. He was clearing out bullies alone until he met Ugo and began training with him. Martial Arts: Ssireum Stats: [Strength: XX] [Speed: MR] [Potential: Transcendence] [Endurance: EX] [Intelligence: C-] Owned Cards: (Hayate Exclusive) Invincible Ssireum, Over Capacity Bloodline: None School: Gangbuk West High

Features: As soon as the quests appeared, she began tormenting everyone; she is one of Ugo's primary targets. Her thoughts and moods appear on the eye patch on her head (e.g., 'Anger' when she's mad). She put one person into a coma. She is a psychopath who thinks nothing of human life. Martial Arts: Muay Thai, Taekwondo, Kickboxing, Fa Jin Stats: [Strength: Unmeasurable] [Speed: Unmeasurable] [Potential: Stage] [Endurance: Unmeasurable] [Intelligence: S] Owned Cards: Fa Jin, Lion's Roar, Taekwondo, Kickboxing, Boxing, Muay Thai, Deal Bloodline: None School: Gangbuk North High

Features: She is Woo-hee's right-hand man. She uses foul language. She practices Aikido. Because Woo-hee turned her friend into a vegetable, she is pretending to be loyal while planning to betray Woo-hee soon to help Gangbuk West High. Martial Arts: Aikido Stats: [Strength: DX] [Speed: Unmeasurable] [Potential: Stage] [Endurance: EX] [Intelligence: SS-] Owned Cards: (Wiheom-i Exclusive) Versatility Bloodline: None School: Gangbuk North High

Features: He was an outcast but is now loyal to Woo-hee, who 'saved' him. He is nicknamed the 'Great Mountain' of Gangbuk North High. He hasn't learned much martial arts, but his raw strength is immense. He speaks politely to everyone. Martial Arts: None Stats: [Strength: EX] [Speed: EX] [Potential: Stage] [Endurance: EX] [Intelligence: B+] Owned Cards: None Bloodline: None School: Gangbuk North High