Clint Patterson’s review published on Letterboxd:
The colors are amazing and water is animated in so many distinctive and original forms, many of them magical. Fujimoto and his minions reminded me a lot of Howl and Calcifer, though they’re more ambiguous on the hero/villain scale. The plot and emotions are considerably shallower than some other Ghibli films, but that made sense after hearing Miyazaki say he made it for young children. Overall this is a ton of joyous fun, and still manages to include subtle themes of humanity and environmentalism.