Will the Real Power Stand Up Please?

When the world ended, I found myself in the body of Liam Halheim, a prince that looks set to lose power the moment our father dies. With the nation's finances failing, how can I fortify my own position?

The story follows Liam Halheim, from a weak prince who knew nothing to that of a ruthless one, sweeping powers away one at a time to protect himself and the people he care about with the technological know-hows and political backstabbing that his past life was so familiar with.