I don't know about the vtuber part, but I think one of the versions of Amagami did the whole moving characters thing. Only problem was that this version never got a English translation.
Correction, I think it was actually ToHeart2 that did this, not Amagami.
Amagamidid the whole moving characters thing. Only problem was that this version never got a English translation.Correction, I think it was actually ToHeart2 that did this, not Amagami.