@GuWoSch No, I only use VroidStudio to adjust the face and body. The other parts, including the hair, are done in Blender. (I'm not used to using Vroid to make hair 😂)
Awesome work!!! Did you ungroup the hair in Vroid Studio and then work on the individual strands in Blender? Am working on wavy hair myself and that is the only thing I can think that could work..