Mugai-ryū Iai Hyōdō (Mugai Shinden Iai Hyōdō 無外真伝居合兵道) is a modern school of iaido founded by Nakagawa Shiryō Shinichi (中川士龍申一, 1895-1981).
Today Mugai-ryū has splintered into several lines[REF] and there is no one sōke(representative) [REF].