Kantarō Sakai(坂井貫太郎Sakai Kantarō) is Yūji's father. He usually resides outside Japan due to his job, but enjoys making sudden visits to the Sakai household, surprising his family.
Kantarō Sakai(坂井貫太郎Sakai Kantarō) is Yūji's father. He usually resides outside Japan due to his job, but enjoys making sudden visits to the Sakai household, surprising his family.