Super Dimensional Empire

In this world, there is the collision of spells and guns, and the fusion of machinery and magic. This is an epic of torrent of steel and waves of elements! However... This was all done by other time travellers. As for Zhao Yu, he was put under house arrest by the emperor for ten years as soon as he crossed over and was buried at the starting line. … "He only knows foreign guns and artillery, and I also know elemental magic. Let's expand the layout a little bit. Our journey will take us through the stars and the sea!" "You should get rid of the pursuit first!"