Apart from the "S", his usual clothes consist of simple jeans and an orange and white striped shirt, although he has also been seen wearing various dark-colored T-shirts and shirts in other colors. Working at Sia la luce, he wears a white double-breasted chef's shirt and black trousers, a long dark red apron tied at the waist.Like Joe, he wears only a pair of plain baggy white pants and a blue and white jacket with an orange lining, unbuttoned to show his torso. He also wears black fingerless gloves and several dark bandages around his neck and waist, and collects his longer hair in a low ponytail. In "S" he seems to be a playboy who likes to charm and have fun with many women. This is shown at the beginning of episode 1 when he kisses 2 girls at the same time, and episodes later he is seen flirting with countless girls.Despite his aura of hostility towards Cherry Blossom, they are good friends; who fully trust each other and their abilities. He is shown to care deeply about Kaoru, being the person Kaoru secretly escaped from the hospital to after being injured, and the one who carried Kaoru when he lost consciousness after Adam's attack. Kojiro and Kaoru have been shown to be close, using each other's names along with the childhood friends aspect. Kojiro is extremely loyal to Kaoru.He often has a teasing aspect to his essence, but under the guise of a playboy, he is a very loyal, vigilant and calm person who likes to help others.Joe is one of the strongest skaters in the "S". Having been involved in sports since adolescence, it can be concluded that he spent a lot of time honing his skills even in adulthood. He is well known in "S" as the "Six-pack Figure Skater" because of the unusual, power-oriented style he uses when skating.Even as a busy adult and chef, he still devotes a lot of time to skating with Kaoru on the "S". He is among the top "S" figure skaters.