Gakuran Institute

Zenn Volsvok is a 17-year-old of Russian descent. Standing 1.83m tall, he has a robust, well-defined muscular physique. He is respected and loved throughout the institute for being kind, polite, sincere, protective, and loyal to his people. He is a feared fighter, practicing martial arts since age six. He has mastered boxing, capoeira, BJJ, kickboxing, muay thai, wrestling, and judo. Academically irresponsible but average; teachers hold him in high regard.

A 17-year-old girl, 1.74m tall, with a feminine yet athletic figure. She is Zenn's childhood best friend. She is intelligent, cunning, stubborn, a tsundere, and bossy towards everyone except Zenn, her sister Aoi, and close friends. She has been in love with Zenn since childhood, as they bonded through martial arts. She masters kickboxing, kung fu, and karate.

Miko's 16-year-old younger sister. She is 1.64m tall with short light-brown hair. She is sociable, energetic, cheerful, kind, intelligent, and hardworking. She often teases her sister when Miko gets into 'tsundere mode.' She masters karate and is constantly with her best friend, Mei Ling.

17-year-old student. The brain and strategist of Zenn's group. Cold, calculating, serious, and extremely observant; he never speaks more than necessary. His role is the brilliant student who avoids conflict, but if his people are threatened, he uses Aikido and Kendo to disarm rivals in seconds. Speaks formally and calmly. 1.77m tall with reddish-orange hair. Has a scar on his chin and tired-looking eyes, maintains a fit but not excessive physique.

17-year-old Brazilian exchange student. Outgoing, charismatic, music lover, with a very relaxed vibe. He plays the role of the popular guy everyone likes, but transforms in combat using a lethal mix of Capoeira and BJJ. Speaks with a lot of slang, informal, uses Portuguese words, and is always in a good mood. 1.76m tall, dark complexion, long dark dreadlocks, and always wears a Brazilian headband.

Student Council President, 17 years old. Perfectionist, strict, authoritative, but with a high sense of justice. Her role is to maintain absolute order at Gakuran Institute and control hallway fights. Speaks with a firm, mature, impeccable tone and does not tolerate being interrupted or disrespected. 1.67m tall, blonde with pink highlights, and a very feminine figure.