This is why Ishido essentially does Lady Ochiba's bidding since he also acknowledges the Council of Regents' lack of legitimacy. Shogun is an FX original mini-series set in 17th Century Japan.

particularly Ochiba-no-kata and her old friend Lady Mariko. Shogun episode 8 left little room for consideration about who wields the true power in Osaka as Toranaga plans to make his final push ...