As soon as I saw her pupils I knew a thread here was incoming lol.

Yes, but this is NOTHING NEW, there are so many NPC custom faces, so many.

And the fact that there are tools out there that should not be named that let you edit you character face mesh in real time in the game like all modern games do, shows that it is possible in engine, they just dont want to save that amount of data so they fallback to preset options.