To protect his Pokemon from harm Arceus has moved most of his worlds populus to Equestria in hopes that they can live in peace, but peace is often harder to obtain than one might think.
Two teenaged siblings, having moved to the Alola region from Kalos, set off to complete the famous Island Trials, only for wormholes to appear across the region once again, this time summoning creatures from a mystical world calling themselves ponies
When Princess Luna awakes, she finds herself in a strange land, filled with strange creatures and trapped in a most unbecoming form. With no memory on how this happened, she travels in search of answers... and likely finds more about herself as well.