The Genius Prince's Guide to Raising a Nation Out of Debt (Hey, How About Treason?), Vol. 6 (light novel)

After settling the battle with Soljest, the Kingdom of Natra has gained access to its year-round port, setting them up in an optimal position to engage in some maritime trade. To get the ball rolling, Prince Wein is sizing up the nation of Patura to see if they just might fit the bill as a potential trade partner. With the brilliant idea to settle this matter in person, he steps foot on their territory, where a simple little accident lands him in... prison