Touhou Mystia Izakaya Encrypted assets

[plasmatank]

Hello there
After the 1.8 Update of this game, the unity assets were encrypted.
However, I have managed to save some older version assets, along with the "global-metadata.dat" and "GameAssembly.dll".
So, Could anyone help me with this game's encryption method? I wonder how I can decrypt its further assets.
Old: https://mega.nz/file/3S4ByCKJ#QMFSTGptP ... VgqpiXjtyQ
New: https://mega.nz/file/WOgTAQhJ#OTNGomMSW ... B4P5QLmIs0

[spiritovod]

It's simply xored with one byte. Something like this would do in this case.