Suisei no Gargantia: Mizuhana no Bellows

This story, in the universe of Suisei no Gargantia, follows Bellows, a side character in the original series, where the planet is covered with water and humanity lives in various large fleets of ships. The story begins three years before Ledo (from a spacefaring civilization) arrives. When Bellow's fleet is destroyed, she is rescued by a fleet of...