"Is it one of the Water-Types? They're super shy, and it doesn't help that they can turn kind-of-invisible. There's plenty of water in the Pokemon habitat, so they disappeared all the time it they weren't feeling totally safe."

"I guess how they showed up was kind of a surprise," Kazuki quirked his head in thought. "After those monsters showed up last year. But other than that, I don't think they've done anything deliberately bad."