These special bugyo were at the height of their power in the reign of Yoshimasa ASHIKAGA, then went into decline along with the fall of the Muromachi bakufu after the Onin war.
足利義政の時代にこうした別奉行の全盛期を迎えるが、応仁の乱以後の幕府機構の衰退とともに没落していく。