After losing the Kalos League, Ash is betrayed by most of his friends. The only ones that are still on his side are his Pokémon, Bonnie, Professor Oak, Gary and his little sister, Lyla. He takes all of his Pokémon and leaves with Lyla and Bonnie for the Alola Region, where he becomes the first ever Alola Champion, meeting three of his rivals along the way, as well as his soul mate.