Three-Dynasty Veteran Powerbroker Top X Combat-Ready Secret Guard Bottom
Top: A weapon against the emperor. The rebellion started early, so he remained a powerbroker until old age. If you're not eager to kill the emperor, there's something wrong with your politics.
Bottom: I came to protect His Majesty's sorry life so I can get promoted and earn a raise!
A completely fictional setting, with the same dead-serious nonsense as always. This time, both the top and bottom are actually human!
Theme: The noble clans' ambition: defend the nation, not the ruler