Following his achievements in concluding the civil war in Rhoadseria, Ryoma Mikoshiba is awarded the title of duke and the territory of the Wortenia Peninsula.

But as it turns out, Wortenia is an undeveloped land. Realizing he was driven to the peninsula because he was feared for his power, Ryoma plots to turn Wortenia into his foothold toward gaining power. The start of a new chapter in Ryoma’s story, now as a feudal lord!