The setting is around the 13th century, right on the eve of the Age of Exploration.

The taste of spicy meat that pierced through to my brain triggered memories of my past life, and I realized I had reincarnated as Mariette Rose de Zenburg, the duke’s daughter from the otome game, at the age of two.

That’s because my role is the villainous daughter plotting with my father and the nobles of the Zenburg faction to overthrow the kingdom.

The fate of that role is, of course, execution after being condemned.

The time limit is less than ten years until the main storyline begins.

Moreover, whether I try to get along with the heroines or stay away from them, my father and the others will advance their conspiracy regardless.

Why are my father and the others plotting such a scheme in the first place?

Upon investigation, I discovered that the duchy had been invaded by the kingdom and forced into submission, ridiculed as poor and provincial at the western edge of the world, and subjected to economic harassment.

In that case, it’s time to launch the ‘Zenburg Duchy: Center of the World Plan’!

Instead of conspiracies, let’s build large ships and sail into the vast ocean, aiming for the far west, the undiscovered new continent!

We’ll make the Zenburg Duchy a prosperous land, the center of the world!

(Note: The main focus of the story is territorial management with an emphasis on maritime trade and the development of magic tools. Romance elements are minimal, and neither the heroine nor the targets of her affection will appear for a while.)

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