Thanks for your comment
That was a good hint.
I thought about it, but
Apparently I have mastered the dress-up system...
https://yorozuya3.booth.pm/items/4605089 ←To this model
We would like to be able to set and provide the hairstyle, eye color, facial texture, and clothing of the model above.
I will upload the completed model here by around summer.
I hope I can update it.