Shiro was Japan & mix france guy.His parents live him in Japan  with bodyguard since he was 5 years old.Shiro & Diby r bestfriend since he was 8 years old,that time Diby was 5 years old.Shiro have special feeling on Diby since he was 15 years old.But he never confess his feeling cuz he don't want to ruin their friendship.Shiro treated Diby like his younger sister.Shiro always help Diby & make her happy.Shiro never had relationship.His minded person that only will show his real emotion & feeling