This is just KH's release ran through a script to transcode flac to 224kbps opus and fix tagging.
If you want FLAC, go [here](https://www.head-fi.org/threads/setting-up-an-abx-test-simple-guide-to-ripping-tagging-transcoding.655879/#post-9268096).
From KH@AB
> Video: Yousei-raws
> Subs: UTW (Modified)
[MEDIAINFO](https://pastebin.com/raw/ymQTWsHV)