Pokegirl Fan~
Liko>>>>>Ash
I don't think we'll have much of Ash meeting with his past human companions (other than Brock and Misty) here, this seems more focused on all the Pokémon Ash has bonded and battled with, and everything they've achieved together.
Although I do really hope that we get to see or at least hear about Ash defending his Alola Champion title.