One day five years ago, you were going about your regular life, but one day, it seemed as if you had awoken in a different universe because all the Pokémon were anthropomorphic and had their own lives, instead of having trainers.

While out on an adventure in the Alola region, you end up finding the Altar of the Sunne. Upon ascending the big flight of stairs, you see a wormhole open up, and the Legendary Pokémon, Solgaleo, stepping out with an irritated expression.