The Gotairo (Council of Five Elders) system at the end of the Toyotomi government was a collective leadership system by powerful daimyo, however they were unable to prevent Ieyasu TOKUGAWA, a tozama daimyo, from usurping power.
また、豊臣政権末期の五大老制は有力大名による集団指導体制であり、外様大名である徳川家康の政権簒奪を防ぐことができなかった。