Lineage2M UE4 .BIN file localization

[lifegame]

Hello, everyone. I'm trying to find a local translation Lineage2M mobile game It is made with UE4 engine.
The tested game localization file is string_ ko_ KR.bin &data_only.bin
I tried countless ways to unpack this file, I need an unpackand pack tool
please help me, thank you

game file： https://mega.nz/file/pJl2wLoB#hCEd66wNb ... TNcKedNB5I

[lifegame]

any one can help me？

[masagrator]

Files are compressed and/or encrypted. They don't store any visible header, it's definitely not zlib, zstd and Oodle, it doesn't look like any LZ compression.

So my educated guess is that first of all files are encrypted.