In an era when magic is declining, Karen, a young man without magic, bears the vengeance of destroying his village, and his mother is abducted by a mysterious organization. He is the only "key" that can use the Creation Orb, and is also the core of the struggle between all parties. When the magic circle is activated and the travelers from another world arrive, the old era collapses - the dawn of steam and steel is rising from the ruins.
