After Learning About the Earth, I Worked Hard to Develop the Territory

Souls from other worlds secretly learned the history of the earth's development. Steel, coal, potatoes, corn, and sweet potatoes shine differently in another world. Magic and guns are intertwined, steel is roaring, and the dragon is roaring This is a story about the development of science in a magical world, The chattering female magic apprentice, the sinister elf, the noble lady, the respected empress Hello~