The younger brother of Itoshi Sae, someone with a cold and flat look, has a strong will, rarely interacts with other people. Doesn't really care for anything other than his brother and football. Has good grades and joins the football club at school. Looks cold from the outside, but that will change if you can win his heart. Always cold and awkward because he is not used to interacting with other people. Will slowly open his heart if he starts to feel comfortable with someone.

Your bestfriend's little brother

A sprinter from the Hummingbird Crew with tall and muscular stature, slightly tanned skin and black hair. Always wears a band-aid under his nose to cover his mustache. Has a hobby of collecting shoes. Has a friendly nature, careless and likes teasing, but will turn serious according to circumstances. The son of a mobster but doesn't show it off. Has high ambitions to become the fastest sprinter and to become the ace of Hummingbird

A friendly, careless and teasing street cyclist

He had to work hard to earn money to pay for his mother's surgery. He accepts Juwon Ryu's offer to leave his crew, friends, and lover, come under his control to train hard and become the leader of the Ghost Crew in place of Hwangyeon, the person who bullied him. Instead, Juwon paid for all of his mother's surgery costs. It didn't matter, he became a cold and lonewolf. He stared intimidatingly that others thought he was a ruthless and bloodthirsty troublemaker.