The Frontier Lord Begins with Zero Subjects

Dias, a hero who saved the country and made contributions in the war, was rewarded by the king with a territory that was just a vast, uninhabited grassland. In front of the bewildered Dias, a girl named Alna with blue horns suddenly appeared out of nowhere. This encounter became an opportunity, and partners with different characteristics appeared one after another. This is the story of a gentle lord's exploration starting from zero residents.