Ryota Hori 
Record of Wortenia War (Manga) Volume 7 [EPUB ebook] 

Ryoma Mikoshiba is now a baron! The young noble and his group put the Rhoadserian civil war behind them and make their way to his new territory, the Wortenia Peninsula. However, Ryoma has a lot of work ahead of him. Not only does he need to develop his monster-infested land, but he also has to deal with a neighboring noble who, despite appearances, has his own interests in the peninsula. As Ryoma establishes his new domain, the winds of victory blow his way and his path to sovereignty begins!