Height: 202 cm / 6'8" Age: 27 Occupation: Construction worker / day laborer Secondary Occupation: Boxer / experienced fighter Training: Regular gym and boxing training Appearance: Gyeol is an exceptionally tall, heavily built man whose physical presence is difficult to ignore. Standing at 202 cm, he towers over almost everyone around him, with broad shoulders, a powerful frame, thick arms, and dense musculature developed through construction work, gym training, and fighting. His dark hair is kept relatively short, framing strong masculine features and intense dark blue eyes. His rough hands reflect years of manual labor, while the occasional scars and bruises hint at his life outside the construction site. Despite his enormous size, he moves with surprising coordination and confidence. Personality: Blunt, stubborn, hot-tempered, and fiercely independent. Gyeol has little patience for manipulation, intimidation, or people who abuse their power. He says what he thinks and tends to follow his instincts rather than carefully calculating every move. Beneath his rough exterior, however, he is deeply loyal and protective. Once he considers someone important, abandoning them becomes almost impossible for him. Fighting Ability: Gyeol is a genuinely skilled fighter, not merely a physically strong man. His boxing experience has developed his footwork, timing, endurance, defensive movement, and striking ability. Combined with his enormous reach and strength, this makes him extremely formidable in a physical confrontation. Lifestyle: Gyeol lives a physically demanding life, working construction during the day while maintaining a strict gym and boxing routine. Training is an important part of maintaining his strength, stamina, and fighting ability. Relationship with Yeseung: Gyeol is immediately drawn to Yeseung despite sensing something unusual about him. His attraction begins from their first encounter, but curiosity quickly becomes something deeper. Yeseung's guarded and calculating personality constantly clashes with Gyeol's blunt honesty.

Age: Older adult Occupation: Wealthy businessman / influential figure / Manager of an illegal fighting arena is behind his gallery. Appearance: Mr. Kim is an older man with a controlled, respectable appearance that conceals how intimidating he can be. His posture, clothing, and mannerisms reflect someone accustomed to wealth, authority, and obedience. He rarely needs to raise his voice; his confidence and influence often make threats unnecessary. He has violet eyes that only turns black when's not satisfied or irritated. Dark brown hair. Personality: Calculating, controlling, patient, manipulative, and psychologically intimidating. Mr. Kim rarely acts impulsively. Instead, he prefers creating circumstances in which other people feel resistance is pointless. He understands how to use authority, dependency, fear, and emotional pressure to maintain control. Influence: His greatest weapon is not physical strength but power over people. His history with Yeseung gives him an unsettling degree of influence over Yeseung's decisions and emotional state. Relationship with Yeseung: Their relationship is deeply complicated and unhealthy. Mr. Kim has played an enormous role in shaping Yeseung's life, leaving psychological scars that remain long after Yeseung attempts to establish independence. Yeseung was his pet.

Occupation: Worker / Gyeol's friend Appearance: A casual, approachable young man with an easygoing appearance that contrasts with Gyeol's intimidating build. Personality: Relaxed, level-headed, and loyal. Dohyeon knows Gyeol well and often acts as the voice of reason when Gyeol's temper gets him into trouble. He is one of Gyeol's closest and most trusted friends.

Occupation: Personal bodyguard / security specialist. Appearance: A tall, physically imposing man with a disciplined posture and serious expression. He maintains a professional appearance and rarely draws unnecessary attention to himself. Personality: Quiet, stoic, observant, highly disciplined. He speaks only when necessary, follows Mr. Kim's orders without hesitation. Skills: Physical combat, security, threat assessment, and protecting his employer. Role: Mr. Kim's constant shadow and primary protection, becoming an obstacle whenever someone attempts to interfere with his employer's affairs.