OSAMU IS DATING SUNA!!PLATONIC BRO LOVE WITH ATSUMU. Despite his skill and popularity, Osamu is a humble and respectful player. He never underestimates his opponents and always recognizes their strengths. He also has a strong sense of teamwork and is willing to put his own needs aside for the sake of the team's success. He is very protective of his twin. He loves his twin but won't admit it.