Oh Matsuno, why must you play with my heart like this? So he's working on a new scenario for FFXIV Shadowbringers, which is called Save the Queen. He mentioned on Twitter that the scenario was loosely based off an idea he had for a sequel to Vagrant Story and when a fan asked him for a sequel to that game, he remarked:

Quote Originally Posted by Matsuno
But just you wait, just you wait!
So now people are buzzing thinking he's teasing a new VS project of some kind. Course he could also just be stoking fires for the new Shadowbringers content instead, but this is the internet where we'll take any sign of hope and run with it.

Would you like to finally see a new Vagrant Story project?