It's been ten years since the Cosmic Beast incident and the reformation of Team Cosmos. Both Symon and Amber have gotten married and gave birth to a son. Now completely grown up. Felix plans to take the island challenge just as his parents did. However when Former Team Cosmos Admin Nova suddenly vanishes, Alola will be driven towards the darkness. A mysterious group called the Ultra Recon Squad has appeared and is researching the mysteries surrounding Alola. Nobody thought much of it at first. But when UB-01 suddenly appears at Aether Paradise, everyone starts having second thoughts. Team Skull is back, three new Ultra Beast has been sighted, Necrozma's sudden hostile nature, and Giovanni's sudden return. Now Felix must fend off his home from the darkness that once threatened Alola. But he's gonna need some help. Specifically from multicolored talking ponies.

Pokemon Ultra Sun and Ultra Moon Belongs to Game Freak
MLP FIM belongs to Hasbro Studios
Sequel to Pokemon Cosmos
Warning Spoilers