 Hashi then went on to overthrow chief Bunei of Chūzan in 1404 and placed his father Shō Shishō on the throne.Even with his father as chief, however, Hashi held true political power, and organized envoys to Nanking, to assure China, to which the Ryūkyū polities were tributaries, of his polity's continued cooperation and friendship.He also reorganized much of the administrative organs of the kingdom to better fit Chinese models.