Fans of moe anime girls and naval adventures on the high seas will be pleased to know that a new OAV for High School Fleet has been announced for release in 2017.
Details about the production (such as the cast, the crew, and the release date) are currently scarce, but it has been announced that the new OAV will depict a story that takes place after the events of the 2016 TV High School Fleet series.
Because of a shift in tectonic plates around 100 years ago, Japan lost much of its area to submergence.