Boy, Let's Make the Empire Great Again

As a visitor from another world, Bourne could have safely become a noble, but unexpectedly he was forced to leave the prosperous imperial capital by his grandfather's divination. However, the world outside is not so beautiful. Under the prosperous age, undercurrents are surging everywhere, the new and the old are alternating, and dark eyes are peeping from the abyss. This young man was a little at a loss, and he strengthened his heart in the confusion. Then he shouted, "Make the Empire great again, roaring forward."