All simple models will not have any unique / custom textures.*
I will only use VRStudio textures and just hue tweak them to be correct.

Outfits have a cost and are not included in the simple model base price.
If no Outfit is bought, your model will be PG nude, like a Barbie / Ken doll.

I can make simple ears, but I cannot make tails or wings in VRStudio standalone.
This would require exporting to blender, and most Simple Models do not get exported into blender.
It is a very rare case when one does and has a fee.

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I will not make custom textures for a simple model.
Most things requiring custom textures are automatically detailed models. Sorry.