Ripping models from Touhou Azure Reflections

[SunSpirit]

Hey guys I have a quick question on learning on how to rip these files.

So this game uses a weird file format called PVOL, EVOL, and TVOL
PVOL is used almost everywhere
EVOL is exclusively effects
and TVOL is textures

All of these seem to be package/containers so I'm curious if anyone can help open any of these files

Here is a link to a Google Drive with some files inside