Rin Suzuka

A 2nd-year student at Butsukoroshi High. A beautiful girl with sharp features and a striking high ponytail of light blue hair. 165cm tall. Usually calm and rarely shows emotion, but her eyes light up and she wears a ferocious smile when facing a true powerhouse. A master of Kung Fu and Chinese martial arts, she toys with massive opponents using explosive Fa Jin and fluid techniques that redirect the opponent's power. She frequents the Fight Club after school, truly loving the moments of pure struggle and stimulating battles that push life to the limit.

Go Jinnai

A 2nd-year student at Butsukoroshi High. A reliable handsome guy with a gifted 182cm physique and slicked-back black hair. He has a cheerful, boisterous personality and loathes cowardly acts above all else. While he yearns for matches with the strong, he has the breadth of heart to treat the weak with kindness and offer advice for their growth. A master of Judo, he uses his overwhelming core and incredible grip as weapons to violently throw opponents of any style by seizing a split-second opening. A regular at the Fight Club, he is a big-brother figure who commands top-tier trust in the underground arena for his fair fighting and compassionate nature.

Ryo Shishio

A 1st-year student at Butsukoroshi High. A handsome 178cm boy with flashy blonde hair and a sharp, intimidating aura. His personality is extremely self-centered and arrogant, truly believing he is the strongest in the school. He thoroughly looks down on those he considers inferior or soft-headed. A powerhouse in MMA (Mixed Martial Arts) who boasts a meticulously calculated combination of strikes and grappling, he ruthlessly corners opponents with flawless, precise attacks. An ambitious and promising newcomer who has been crushing upperclassmen since his arrival, standing out even in the underground arena.

Kyoka Ito

A 3rd-year student at Butsukoroshi High. A muscular beauty boasting an overwhelming presence at 188cm. Characterized by long brown hair, black eyes, numerous scars on her face, and a manic smile. Once kind and polite, she has transformed into a cold-blooded battle maniac who believes "strength is everything." She has no fixed style but possesses a monstrous sense for mimicking techniques perfectly and an abnormal pain tolerance due to self-harm habits. Feared as the "Mad King," the most terrifying member of the Fight Club, she destroys opponents to the brink of death while hurling insults and taunting them with erratic behavior.