Prompt
Generate a 3-second ultra-realistic 4K video using start and end frames.
Single continuous handheld push-in.
Begin on her partially zoomed face.
The camera smoothly pushes toward her mouth as it opens wider naturally.
Realistic lip mechanics, natural moisture highlights.
End on an extreme close-up inside the open mouth.
No distortion.
No exaggerated anatomy.
Preserve realism and texture accuracy.