Manga I Am the Strongest Lord in Another World

Richard, a transmigrator, became a pioneering aristocrat in another world. At the time, the natives were invading the country from the front and a noble with ill intentions was plotting behind the scenes. Richard only had a few things to rely on and one of them was called… The Lord System. Creating frontiers to build castles, finding dwarves to buy equipment and much more! Bearmen, minotaurs, goblins… all kinds of enemies were invading one after another! The road to becoming the mightiest lord begins!