|Also known as|| Mr Kamiyama
|Hair Color||Light color|
Aya's father is a handsome middle age man with short, light-colored hair.
Mr Kamiyama is a hardworking father who is always busy with his job. He comes across as a firm father to his son.
Aya is Mr Kamiyama's only son. He seems to have a fairly distant relationship with his father. It was revealed in the past that Aya's parents were always busy with their own work that led him to be alone most of the time. Because he was feeling lonely, he started to play basketball, the sport his father love. Around that time, Aya's family moved to America due to his father's occupation. After Aya turned high school, he returns home in Japan with his mom.