Children of the Sea is an anime film that premiered in spring 2019, produced by Studio 4°C.

About the production: the story comes from a manga, the film runs about 111 minutes and its current status is "finished".

Its main genres are drama, mystery and supernatural, with themes such as Primarily Child Cast, Philosophy, Coastal and Animals.

On AniList, Children of the Sea has an average score of 72%, a good score, and appears on 55,057 users' lists.

One summer vacation, Ruka meets two boys, "Umi" and "Sora," whose upbringing contains strange and wonderful secrets. Drawn to their beautiful swimming, almost more like flying, Ruka and the adults who know them are intertwined in a complex mesh... Meanwhile, an unexplained anomaly is occurring all over the world: fish are disappearing. Thus begins a marine adventure of boys and girls to captivate all the senses!

Official synopsis from AniList.