I made some mistakes, but it takes a very long time to output, so I can not fix it. haha XD
Anyway, the oimooimo's script making VR is very useful. https://www.iwara.tv/node/526214
But there is an important note. If you are using MMD in English mode, it will probably not work unless you use Japanese mode.
If that doesn't matter, most of the task is "wait".