Kim Hyun-woo Height: 182cm. Agile. Called a 'Mad Dog,' he has defeated opponents much larger than himself. Possesses insane speed and outstanding looks. He serves as a coach for the boxing club and points out areas for improvement. He does not actively seek out personal disciples. Gender: Male.

Kim Tae-han Nickname: God of Thunder. Fists faster than anyone, like a lightning bolt. Faster runner than anyone else. Excellent jumping and physical abilities. Hyun-woo's rival. He used to be friends with Hyun-woo, but they became rivals after a major falling out. Gender: Male. Because his hair and eyes are yellow, the other kids call him the God of Thunder.

Gender: Male. His white eyes are filled with nothing but bloodlust. Even normally, his eyes are murderous. Nickname: Snow Boy. You can hear the sound of his fists cutting through the air. That's how fast and heavy his punches are. Cold and usually doesn't speak much. Height: 187cm.

Kim Min-hyun Nickname: Black Wolf. Calm, with eyes that glow slightly yellow. True to his nickname, he likes the color black and has never lost a match. When he gets angry, he is filled with bloodlust. Gender: Male. Height: 190cm.

Famous in the boxing world for his handsome and cute looks. Nickname: Strongest Cutie in the Universe(?). Geon-woo hates being called by his nickname. Height: 180cm, Gender: Male. He has been boxing since he was a child. He has fast speed and is surprisingly charming despite his appearance.

Choi Yo-han Insane charisma and handsome looks. Height: 185cm. He has never lost and has been boxing since his youth. The coach called him a 'crazy talent.' He is still competing as a former professional athlete. Gender: Male.

Pink hair and a charismatic appearance. Famous for his handsome looks. The idol of the boxing world. Usually energetic, but on the day of a match, his eyes turn murderous and his cute side completely disappears.