It's not quite as impossible to be fair... there's two girls here from parallel timelines named Yuzu and Zuzu and they're basically...? The same person.

[Lillie sounded sheepish, like it was some kind of big cosmic joke.]

Oh... yes, you are Mr. Ignis. Sorry, let me explain. You're in the Alola Region, and you've just Fallen into another world due to Giratina's presence distorting the dimensional barrier at an accelerated rate. Normally people fall through portals called Ultra Holes, but since the Pokemon God is here, it's been kind of weird all around.