miknik

In the far future, humans abandon the devastated Earth and move to the upper world "Tenjo". But Tenjo and the law of causation collapse by a war and humans returns to the Earth, which has turns into an inhabitable planet except for Shinshu area.

Taking advantage of the opportunity that the Mikawa Conflict provides, Tori and his comrades attempt to rescue Horizon from the Testament Union. But even as the Floating City Musashi speeds towards its next destination, the Floating Island England, Tres España is preparing its own armada for war against the British Islanders.