Family name シンマ (シンマ ) , in the world, is an extremely rare last name. Much more prevalently, シンマ is the forename as well as the last name.
Shinma, Sinma, and Симма
マイ, and タカシ
) , in the world, is an extremely rare last name. Much more prevalently, シンマ is the forename as well as the last name.