In the world, マスヒロ (マスヒロ ) is an extremely rare unknown gender forename. More frequently, マスヒロ is the last name as well as the forename.
Mashilo, Mashiro, and Masuhiro
カトウ, and サトウ
) is an extremely rare unknown gender forename. More frequently, マスヒロ is the last name as well as the forename.