HELP the mouth looks weird!

[rare laurel]

Im making a pngtuber and i dont like how the neutral speaking mouth looks like helpp plz TT
#978708583090892830

could you show me how to fix it?

[untold schooner]

feels like you drew it is as if you were viewing the mouth from straight ahead. I slightly removed the left side of the mouth so it felt like it was angled away more.
also the jaw might have also been making the mouth look strange, so i moved it forward a little