Y/n lives in the Alola Region with their Father Kukui, they live on the island of Melemele. Both share a large secret, Tapu-Koko residing in their home and amongst their Pokemon. Y/n decides to enrol themselves into a school that their dad teaches at, Melemele's Pokémon School, to find out more about their Pokémon and Alola's history. Upon entering they meet a few new people and gain a few new enemies, along with the Aether Foundation who is attempting to find out all of Alola's history. A certain worker there decides to take it one step too far, which angers the Island Guardian into battling without mercy. Will both Tapu-Koko and Y/n figure out how to put an end to this large problem that has risen?