ある日、日本は突然異世界に転移した。食糧難に陥った日本政府は海上自衛隊所属【P-３C】を飛ばし、付近の探索を開始。大陸を発見した日本は、そこに発展途上ではあるが異世界の国の存在を確認し、交渉を始める。食糧の輸入とインフラ整備の輸出で、いったんは危機を脱した日本だが、国交を樹立した国の戦争に巻き込まれ、再び危機に直面する。

In the Great Orient, lies the continent called Rodenius.

One day, an unidentified flying object arrived at Qua-Toyne Principality’s airspace. The unidentified flying object defied the Principality’s common sense. But that unidentified flying object was just a harbinger of something even more shocking.

Far to the eastern sea, a group of islands suddenly appeared. The country of the islands called itself: Japan. According to them, their nation had been transported to another world.

Now finding themselves separated from their old world and must survive in the new one, how will Japan interact with the native countries of this world? Will they greet her as a friend or as an enemy?

This is a story of the country called Japan as it was engulfed in the chaotic storm of the world.