Nihonkoku Shoukan

In the continent of Rodenius, an unidentified flying object enters the Qua-Toyne Principality's airspace, challenging local understanding. This event precedes the sudden appearance of a group of islands in the distant eastern sea. The islands identify themselves as Japan, claiming their nation has been transported to a different world. Now cut off from their original world, the people of Japan must adapt to this new environment. The story explores how Japan's arrival affects the existing nations of Rodenius and whether they will be accepted or opposed.