The first movie will be a compilation of last year's television anime series with new story sequences, while the second movie will be an entirely brand-new work.
Source: ANN
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A fleet of unmanned ships, called the Fleet of Fog, equipped with super advanced weapons and technology suddenly appeared all over the world. Mankind didn't have the capability to face such a fleet and so was defeated in a devastating naval war. This resulted in mankind being driven out of the seas and losing their ability to travel the seas. Years after this devastating naval…