XeNTaX

Please help me unpack/pack the Arcade game files ，Jubeat Ripples
There are some pack files

https://www.dropbox.com/s/vmy56iebakbvaoh/pack0000.pak
https://www.dropbox.com/s/94hwn7tybl8a2wf/pack0001.pak
https://www.dropbox.com/s/na2n9mbbm02nch6/pack0002.pak
https://www.dropbox.com/s/pnqoj250vzrv2ie/pack0003.pak
https://www.dropbox.com/s/jkvdpa4vnki09rh/pack0004.pak
https://www.dropbox.com/s/uszfk3slzk3tibu/pack0005.pak