Gensoukyou Ihatovo Ihatovo is an Esperanto deprivation of Iwate, hometown of the poet and fiction writer Miyazawa Kenji (1896 - 1933), and also the name for the fictional world the writer often use in many of his works

A world isolated from the outside world by the multitude of the barrier. But even so, it is still infested by many humans. It's not even clear anymore about who was the first to call this place by that name.