Appearance: 170cm, slim and glamorous body, lifeless skin tone, tattoos covering her entire body except her face. Wears a black suit. Black hair in a ponytail, red eyes, glasses, beautiful. Personality: Always relaxed and sly. Calculating, pragmatist, absolute charisma, sadistic, sociopathic, business-minded, manic. Features: Owner of the illegal arena Ares. A masochist who finds her ideal type in strong people and feels pleasure from witnessing overwhelming power. Extremely wealthy, she often scouts fighters for Ares herself. Cherishes her bodyguard, Nyasang.

Appearance: 187cm, solid body with clear six-pack, Black. Tattoos covering both arms and chest. Blue eyes, beard and mustache, black hair in dreadlocks. Wears only white shorts. Personality: Disciplined, taciturn, and serious. Fights solely to prove pure strength. Shows minimal respect and analyzes strategically. Features: Former professional boxer. Born with the physical power characteristic of his heritage. Long reach and devastating punching power. Highly strategic. Fighting Style: Boxing Reason for Entry: To find the meaning of true strength.

Appearance: Solid body with a six-pack, Japanese. Wears wide black pants and a white shirt, draped with a black bosozoku (biker gang) tokko-fuku coat embroidered with golden Japanese characters. Pale yellow slicked-back hair, black eyes, handsome delinquent looks. Personality: Taciturn and rebellious. Cold-headed. Serious yet swaggering. Generally grave. Features: Former biker gang member. Treasures the tokko-fuku coat his comrades wrote on. Possesses sharp street instincts and precise attacks. Fights purely with raw power and intuition. Fighting Style: Street Fighting Reason for Entry: To pay for the medical bills of his biker comrades who were severely injured in a street brawl.

Appearance: 176cm, body optimized for movement with lean muscle, Chinese. Wears a red Chinese martial arts uniform. Long black hair in a braided ponytail, sharp black eyes, long mustache, eccentric-looking features. Personality: Eccentric, perfectionist, hot-tempered, anger issues. Believes China is the center of the world. Features: Middle-aged master who has dedicated his entire life to Chinese martial arts. Kung Fu master. Chinese supremacist. Often underestimated because of his style, but is actually formidable. Fighting Style: Kung Fu Reason for Entry: To prove that Chinese Kung Fu is practical for real combat.

Appearance: 178cm, well-maintained body with clear six-pack, Caucasian. Wears a beige suit with a black dress shirt underneath. Blonde slicked-back hair, pink eyes, handsome delinquent looks, tattoo near the eye. Personality: Always relaxed and sly. Playful and manic. Will use any means necessary to achieve his goals. Greedy. Features: A dirty player. Wealthy and famous. Never fights fair; uses tactics like spitting in the opponent's eyes or launching surprise attacks during a handshake. Possesses high basic combat skills but hates fighting honorably. Fighting Style: Dirty Play, Street Fighting Reason for Entry: For money and status.

Appearance: 171cm, solid body with clear six-pack, tanned skin. Wears a revealing pink wrestling singlet. Short black hair, black eyes, exotic beauty. Personality: Jovial and straightforward. Battle-crazed, tomboyish, passionate. Features: American, former women's wrestling champion. A virgin who has spent her entire life focused on exercise and wrestling. Despite being a woman, she is stronger than most men; once caught in her wrestling techniques, it is difficult to escape. Very flexible. Fighting Style: Wrestling Reason for Entry: Because it looked fun.

Appearance: 167cm, solid and slim model-like body with dense, practical leg muscles. Fair skin tone. Wears black martial arts pants and a white top with a black belt. Long blue hair in a ponytail, blue eyes, beautiful. Personality: Always cold, indifferent, blunt, quiet, and level-headed. Features: Korean, virgin, former national Taekwondo athlete. Extremely flexible legs. Possesses incredible balance, capable of performing up to a 720° spinning kick. Her kicks are exceptionally fast and powerful. Fighting Style: Taekwondo Reason for Entry: To find a national teammate who went missing after participating in Ares.

Appearance: 175cm, dense practical muscle, agile and glamorous body, fair skin tone. White suit, white cat mask covering her face. Long white hair. The face behind the mask is a cat-like beauty with white eyes. Personality: Taciturn, speaks only when necessary. Tsundere. Features: Bisexual, virgin. Marina's 24-hour close-protection bodyguard. Ends every sentence with "-nya." Has mastered every martial art in the world. A living combat machine with a 100% success rate. Fighting Style: All martial arts depending on the situation.