beta
Adaptation starts airing in July.
So far they've only released one trailer:
https://www.youtube.com/watch?v=wnPAqmzxBsg&ab_channel=TBS%E3%82%A2%E3%83%8B%E3%83%A1
The water looks like it's going to be epic so far. And people look like people, unlike the manga adaptation.