you need R18 texture first

how to fix it/ apply it?

0.Follow the tutorial inside the folder
1.Click the nips in hierarchy
2.Click nips material in inspector
3.Click Main colour/ Alpha
4.Drag and drop your R18 Texture to small box

yep, i found my problem
i need nips texture in the first place

Still havent figure its out, follow the tutorial included in the folder and its only showing white patch on the breast
i have try the test sample and it show white patch too

is the assets missing texture or i just too dumb to install it correctly?