How come my Pokémon turned into a girl?

Legend has it that in ancient times, there was a scholar who accidentally found a six-tailed fox trapped in a hunter's trap while traveling in the mountains. The man suddenly felt kind and rescued the fox from the pit. He took good care of it for several days to heal its wounds and released it back into the mountains. The fox remembered his kindness, grew nine tails, shed its animal skin, found the scholar and married him, and a beautiful story has been passed down since then.
"That's just a legend my dad made up. After all, how can a Pokémon turn into a human? Isn't that right?"
The girl with dark green hair did not comment on the boy's explanation. Her red eyes only looked behind him, at the women with animal ears, armor, or wings spread out...