You can't have a revolution without muscle, and nobody during the Bakumatsu had more muscle than Saigo Takamori. See how the big brother of the Meiji restoration helped take down the Shogunate!
So, who has become the lord 
with Nariakira-sama gone?
¿Quién se hizo señor tras la muerte
de Nariakira-sama?
Então, quem ficou no
lugar de Nariakira-sama?