>>56999500>strikingly beautiful>smaller ass and tits than other girls her age>inb4 "she's 15", out of 10>fun, active personality>runs a gym and is the succesor to the secrets of a broken mechanicGF dropped the ball and she should've been a recurring rival through the story.
Imagine if after the Tower of Mastery fight, she showed up every so often to challenge (You) to a 1v1 with a rotating cast of Mega pokémon, and if you win you get the corresponding stone.
Imagine also, if she was a companion for a quest to find the remaning Sundial-activated stones before the remnants of Team Flare (or even Malva) in the post-game instead of them just magically appearing in random spots.