Our Last Crusade or the Rise of a New World #1

This first volume of the manga adaptation of the light novel series introduces the ongoing conflict between the scientifically advanced Empire and the witch-ruled Nebulis Sovereignty. It follows young swordsman Iska and the ice-calming witch Alice, two prodigies on opposite sides of the war who are destined to meet and challenge their world's fate. The collection adapts the opening chapters of the story, setting the stage for their intertwined destinies.