Re-reading the series, I have to say Hanakage looks and behaves a lot like this short-lived character from way back: https://mangadex.org/chapter/574342/7
@dustonglass
That's true on one hand, but on the other, it may be necessary to have a brilliant commander at court at all times to counter any potentially rebellious Great Generals, given the immense military power they command at will, especially with guys like Kanki and Ousen.