Synopsis

At the eastern end of the world lies a continent called Rhodenius. One day, an unidentified flying object was discovered in the airspace of one of the principalities. He contradicted all this world. He was a harbinger of something even more
shocking. Far away to the eastern sea, a continent suddenly appeared. The country located on this continent called itself the Russian Federation. A huge country was transferred to another world. Who are they to us? Enemies or allies?