At the beginning of the game, Xanadu accidentally became the champion

[Pokémon fanfic + initial Kalos region + single female protagonist + time travel]
(No system + cheat finger + don’t collect Pokémon randomly + animated world view)
(Pre-viewing reminder: This book is an animated world view. Please don’t bring too much into the game. For example, how to learn skills without skill discs, don’t be too outrageous. There are also special chapters, please don’t bring them in at will. Don’t make random assumptions, especially making random guesses halfway through reading, and then posting comments to mislead new readers. Please don’t do this.)
Because of a thunderbolt, I traveled to the Kalos area, picked up an egg at the beginning, and hatched out the shining Lalu Las...
Start with a Gardevoir, and I’ll be the world champion!
Who says Gardevoir can't fetter evolution?