Quick answer — Between the Sky and Sea: the opening theme is "Sora to Umi no Aida" and the ending theme is "Ao no Kanata".
The story is set in Onomichi, Hiroshima in the year 20XX. Fish disappear from the sea around the world and only whales live in the ocean. The Ministry of Fishery decides to set up giant experimental Universe Fish Tanks in space. The Onomichi Universe Fishery Union is established and begins to train space fishermen… Produced by TMS Entertainment, this adventure and sci-fi series premiered in Fall 2018. With 12 episodes total, it is finished.
Also known as: The Space Between the Sky and the Sea
Between the Sky and Sea has 12 episodes and is finished.
Between the Sky and Sea was produced by TMS Entertainment and released in 2018.
Between the Sky and Sea is classified under Adventure, Sci-Fi.
Between the Sky and Sea premiered in Fall 2018.
The opening theme of Between the Sky and Sea is "Sora to Umi no Aida".
The ending theme of Between the Sky and Sea is "Ao no Kanata".
Between the Sky and Sea is based on a video game.
Between the Sky and Sea is listed on Crunchyroll. Availability varies by region.
Character data from AniList.