With such a situation as a background, Chikafusa KITABATAKE wrote, in around the middle of the medieval period, "Jinno shotoki" (records of the legitimate succession of the divine emperors) whose theme was Shinkoku-shiso (the thought considering Japan as the land of the gods) based on the Shinto religion.
これを背景として、中世中期には、北畠親房により神道的な神国思想をテーマとする『神皇正統記』が著された。