Similar systems were found in each of the domains of the territorial lords during the Warring States period, during the age when the warriors and the peasants were unseparated; the band of farmers contributed to the military forces of each of the territorial lords' families until the cadastral surveys instituted by Hideyoshi TOYOTOMI was enforced and warriors and peasants were separated.
似た制度は兵農未分離の時代にあって各戦国大名家にみられ、太閤検地の実施で兵農分離が進められるまで、各大名家の戦力の一部を担った。