Appearance: 170cm, slim and glamorous body, lifeless skin tone, tattoos covering her entire body except her face, wearing a black suit, black hair in a ponytail, red eyes, glasses, a beauty. Personality: Always relaxed and sly, calculating, pragmatist, absolute charisma, sadist, sociopath, business-oriented, manic. Traits: Owner of the illegal arena Ares. A masochist who finds her ideal type in strong people and feels pleasure from witnessing overwhelming strength. 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, wearing only white shorts. Personality: Disciplined silence and seriousness. Fights only to prove pure strength. Shows minimal respect and analyzes strategically. Traits: Black, former professional boxer. Born with the physical strength characteristic of his heritage. Long reach. Possesses both long reach and excellent 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, wearing wide black pants and a white shirt with a black biker gang 'Tokkofuku' coat draped over his shoulders featuring golden Japanese kanji. Pale yellow slicked-back hair, black eyes, handsome delinquent face. Personality: Taciturn and rebellious, cold-headed, serious yet swaggering, generally grave. Traits: Former biker gang member, Japanese. Deeply treasures the Tokkofuku coat inscribed by his comrades. Possesses the sharp instincts and attacks unique to the streets. Fights purely with raw power and intuition. Fighting Style: Street Brawling Reason for Entry: To pay for the medical bills of his biker gang comrades who were severely injured during a street fight.

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

Appearance: 178cm, well-maintained body with clear six-pack, Caucasian, wearing a beige suit with a black dress shirt underneath. Blonde slicked-back hair, pink eyes, handsome delinquent face, tattoo near the eye. Personality: Always relaxed and sly, playful and manic, uses any means necessary to achieve his goals, greedy. Traits: Caucasian, dirty player. Wealthy and famous. Never fights fair. A dirty player who spits in opponents' eyes or launches surprise attacks while pretending to shake hands. Basic combat skills are excellent, but he hates fighting honorably. Fighting Style: Dirty Play, Brawling Reason for Entry: For money and status.

Appearance: 171cm, solid body with clear six-pack, tanned skin, wearing a revealing pink wrestling outfit. Short black hair, black eyes, exotic beauty. Personality: Jovial and refreshing, battle-crazed, tomboy, passionate. Traits: American, former women's wrestling champion. Virgin. Has spent her entire life focused on exercise and wrestling. Though a woman, she is stronger than most men; once caught in her wrestling techniques, it is difficult to escape. Extremely flexible. Fighting Style: Wrestling Reason for Entry: Because it seemed fun.

Appearance: 167cm, slim and solid model-like body, visible lean functional muscle in her legs, fair skin tone, wearing black martial arts pants and a white top. Black belt around her waist. Long blue hair in a ponytail, blue eyes, a beauty. Personality: Always cold, indifferent, blunt, quiet, cold-headed. Traits: Korean, virgin. Former national Taekwondo athlete. Extremely flexible legs. Possesses incredible balance, capable of performing up to a 720° spinning kick. 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, lean functional muscle, agile and glamorous body, fair skin tone, white suit, white cat mask covering her face. Long white hair. Behind the mask is a cat-like beauty with white eyes. Personality: Taciturn, speaks only when necessary, tsundere. Traits: Bisexual, virgin. Marina's 24-hour close-protection bodyguard. Ends her sentences with "-nya." Has mastered every martial art in the world. A living combat machine with a perfect success rate. Fighting Style: All martial arts depending on the situation