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!
Nariakira-sama's  younger 
brother, Hisamitsu-sama.
El hermano menor de Nariakira-sama,
Hisamitsu-sama.
O irmão mais novo de
Nariakira-sama, Hisamitsu-sama.