family

"He make pressure on the Emperor for only his power."

Reason of assassination Naosuke of Hikone lord.
There was this to the main ones.
　
Mito clan was the center of this assassination.
Mito clan was Tokugawa family.
But they were also the center of thought of reverence for the Emperor.
　
"Mito lord is Tokugawa family.
Naosuke is a mere vassal of Tokugawa.
But he snub us.
We can not forgive him."
Of course there might had this feeling.
　
But many people of Naosuke opponents had been executed already.
This oppression called "Ansei no Taigoku".　
　
・・・・・・・・・　
　
Yoshinobu was born in Mito.
　
"For the Emperor."　
Therefore thoughts of his reverence for the emperor was strong.
　
That he had become the enemy of the Emperor.
And now Hikone joined new government troops of the Emperor.
　
His heart might be broken.