The official YouTube channel of Toho Animation has released the first teaser trailer of the animated movie adapted from Daisuke Igarashi's manga, Children of the Sea (Kaiju no Kodomo).
It is announced that the movie will be released in movie theaters Japan on 7 June 2019, and is accompanied by notes composed by the great master Joe Hisaishi, who is known & loved for his work for Ghibli.
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!
Sources: TOHO's Youtube Channel, MyAnimeList.net