I Summoned Earth Players to Build Infrastructure in the Middle Ages

Traveling through the Middle Ages and being a slave? Don't be afraid, I can summon players from Earth. "Welcome to the 100% real game world of "Grandlord"" Players from all over the world are flocking here to cut trees, reclaim wasteland, build forts, and fight... Mark sat in the center and watched his territory grow from scratch, expand from a small village to a mighty city, and then develop into a huge kingdom! This is the story of a time traveler who worked by fooling players around the world, started from scratch in the Middle Ages, and became the strongest lord...