The purpose
demonstrate how to change the facial expression of an MMD model imported into Blender.
this page use Animasa’s Hatsune Miku model as an example. See below for import instructions.
Change of expression
First, change the 3D view shading to either “Material Preview” (see image below) or “Render” to the right of it, so the changes are clearly visible.
The loaded model has the following structure, so select “初音ミク_mesh”
Next, select “Object Data Properties” in the lower section.
The displayed GUI shape keys control facial expression settings.
Select the expression you wish to modify from the list, and adjust the settings using the value field.
Unchecking the box to the right of a list item will set its value to 0.
Result
we are able to change expression
following is created by change ”はう”（for eys）and ”あ”（for mouse）
The rendering result is as follows
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