This is a Star Wars × Kancolle R story, set on a fictional version of Earth that incorporates some Star Wars elements. The tone is serious, and some of the plot is quite heavy, so please read with caution if that's not your thing.
The two protagonists are the Force-sensitive shipgirl Tirpitz and Jedi Master Andrik Derachev. Along with the war for freedom and liberation that humanity wages under pressure from multiple sides, the story focuses on the protagonists' relationship and conflicts, as well as Tirpitz's growth from a lazy shut-in to a Jedi Master.