Please, install dynamic bones and poiyomi shaders for an optimal result.

How to install:
1. Preferably use Unity 2017.4.28f1
2. Install VRCSDK-2019.09.18.12.05 (not included)
3. Install dynamic bones unity package (not included)
4. PoiyomiToonShader5.6.8 (not included)
5. Install Miko Iino unity package file.
6. Place prefab on your hierarchy and upload.

This model has 84689Tris, 178 bones and 21 materials.
Also, +NSFW base body

File contents: unity package.

Unity package contents: FBX, textures, materials, animations.