I’ve Been Reincarnated Into the World of a City-Building Game With a Brutal Difficulty Level… As I Fight off Marauders as a Lord, People Start to Come Together and the City Eventually Grows Into a Metropolis, and Cute Girls Gather Around Me Creating a Har

The main character, Yuri, was born as the eldest son of a duke. At first, he is treated as a legitimate son, but his situation changes when his father’s wife gives birth to his half-brother. His half-brother, the son of his father’s wife, was chosen as the rightful heir, while he, the son of a concubine, was treated coldly by the duke’s family. One day… Yuri is sent to the newly obtained “Capitol Region” as a subsidiary of the duke’s family. The “Capitol Region” is an uncultivated land that the kingdom took from the savages in the previous war. It was a land of trees, plants, and flowers, wild animals running around, and even survivors of the barbarians…. But on the other hand… it is a land...