I know of Japan, for I lived there with my Master for a Time. Do you mean to say that you lived in China with your father? Or in the Union of States across the Ocean?
[The Left, indeed. Direction is a matter of perspective. Still, he cannot help but smile at Yotsuba's ways.]

As for Benoic, she fell because of Time, Yotsuba. She was not a large Kingdom, and over Time she grew unable to defend herself against larger Kingdoms who wanted her Lands for themselves. She was never Bad, only not as strong as some.