I've Been Crowned Emperor, and Father, You Faked Your Death?

I transmigrated into ancient times as a prince. Even after building a vast network of influence, all I wanted was to protect myself and live a peaceful, carefree life! But when treacherous ministers conspired to murder my father and steal our family's realm, how could I let that happen? So I acted with ruthless speed, executed the traitors, crushed the usurpers, and then naturally ascended the throne. But on the day of my coronation, my father, who was supposed to be dead, came back to life...