This story follows Ash, the protagonist, through the final stage of the Island Challenge in the Alola Region. The timeline matches the current TV series, but the plot does not; it follows the Sun and Moon games and is independent of the anime. To awaken Cosmog from its slumber and use its power to open an Ultra Wormhole, Ash enters "that place" and embarks on a series of explorations. Afterward, he officially completes the entire Island Challenge, meets the requirements to compete in Alola's first League, and sets the stage for the battle to become the "first champion."
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