He has never understood that she clearly hates the royal family, but she is determined to do what a superior person should do and care about the world.
She also never understood that he clearly didn't care about the throne, but he was determined to be a good emperor who would be remembered forever.
They are both contradictory people, but they are equally hard-spoken and soft-hearted.
What they have in mind has never been high-ranking calculations, but they have always been firm about each other.
Purpose: Peace is hard-won. We are not living in a peaceful era, but were born in a peaceful country.