From translations looks like they themselves don't know that much so we can only wait.
But I don't see Yuzuru traveling across Asia just to be a special guest on concert.
If this will be just a concert, then I can totally see how everybody's attention will be on Zu.
(No, afaik this are just speculations - if he will be at FaoI next year, if he will do FaoI at all in future and so on.)
You know what baffles me the most? When people talk about Nate's scores as if he was overscored by 5-10 points max.
Meanwhile I don't think he should ever touch 300 points barrier.
Looks like it reached french media.
https://www.lequipe.fr/Patinage-artistique/Actualites/Morgan-cipres-accuse-de-harcelement-sexuel-selon-usa-today/1088742