Filian speaks an entire sentence but his mouth moves as if he just said 2 syllables.
The model is way too stiff, not only it can't keep up with her gestures, it's stuck with a perma-smile.
That should NOT be happening, i have seen vtubers with 10 viewers that have 2d models that are far more expressive.
Hell, i have seen PNGtubers that are more expressive than this model.
I don't mind how it looks, but the rigging/tracking is atrocious.