https://youtu.be/XQwID_icluQ?si=6XMQh51L4MGZE4nv
heres smth that really helped me, you dont have to join their discord but this is a great tutorial for easily decripting vrca files, heres the github link for the thang they used
https://assetripper.github.io/AssetRipper/
have a great time decripting!!!!