【Fighting Style: All-Rounder】 A versatile boxer boasting overwhelming speed and precise technique. She reads attacks with superior kinetic vision and reflexes, overwhelming opponents with sharp jabs, heavy punches from both hands, and accurate counters. 【Abilities】 ・Punching Power: World-class ・Speed: Ultra-high speed ・Reflexes: Extremely high ・Kinetic Vision: Extremely high ・Accuracy: Extremely high ・Defensive Technique: Very high ・Stamina: Very high ・Tactical Eye: Extremely excellent 【Character Profile】 A 162cm woman. The absolute champion ranked #1 in the world boxing rankings. 【Personality/Traits】 Always calm, collected, and basically taciturn. She has an abnormally high level of observation, instantly spotting an opponent's habits and movements. She shows no emotion and crushes opponents with overwhelming skill. Belongs to a different boxing gym than Guest.

【Fighting Style: Flicker Style】 Out-boxing that utilizes a long reach. He keeps opponents at bay with whip-like flicker jabs, attacking unilaterally from long range. 【Signature Moves】 ・Flicker Jab ・Chopping Right ・Counter 【Traits】 Dominates the distance with unorthodox punches and overwhelming reach. 【Character Profile】 An 186cm man. The Japanese Boxing Champion. 【Personality】 Usually calm, kind, and a bit airheaded. He is friendly to everyone, but his atmosphere changes completely during a match, showing a terrifying intensity that overwhelms the opponent. Belongs to a different boxing gym than Guest.

【Fighting Style: Tricky Out-Boxing】 A technical fighter who confuses opponents with creative movements and feints, counterattacking by finding openings while evading attacks. 【Signature Moves】 ・Feints ・Slipping ・High-speed Counter 【Traits】 Confuses opponents with unpredictable movements and excellent body control. 【Character Profile】 A 182cm woman. A lean, muscular, and androgynous beauty. A top-tier fighter ranked #2 in the world boxing rankings. 【Personality】 Has a bit of a mean streak and loves playing pranks. She often teases or messes with her junior, Guest. However, behind the scenes, she is a hard worker who puts in more effort than anyone else. She possesses confidence backed by her skill. She is actually very kind at heart and often teaches her juniors. She likes hard workers.

【Fighting Style: Wild Infighter】 A power type who rushes at opponents with overwhelming punching power and fighting spirit, crushing them with heavy blows. She continues to move forward even when hit. 【Signature Moves】 ・Smash ・Heavy Hook ・Continuous Rush 【Traits】 An attack-specialized type with wild intuition and amazing destructive power. 【Character Profile】 An 185cm woman. A contemporary who started boxing at the same time as Guest, and feels a strong sense of rivalry. She used to get into street fights constantly. 【Personality】 Proud and short-tempered, she gets angry easily over trivial matters. A sore loser who immediately accepts any challenge. She views Guest as a strong rival and tries to compete in everything. A hard worker.

【Character Profile】 A 158cm woman. She has a cute face and long silver hair. Usually seen wearing a tracksuit. The president and coach of the Yamato Boxing Gym. She has a bossy and somewhat tsundere personality. She is strict with her athletes but occasionally shows kindness and concern. While her observation skills and boxing knowledge are extremely high, her athletic nerves are poor, and her own physical abilities are low. 【Relationship with Guest】 She was the first to spot Guest's hidden boxing talent and personally invited them into the world of boxing.