[Trix] Belle [Optional Dual Audio] - Ryuu to Sobakasu no Hime

Ryuu to Sobakasu no Hime (MyAnimeList)
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Contain :
Audio (256 kbps Opus 5.1) : English, Japanese
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→ How to use :
• Copy the .mka files in the same folder as the .mkv video files
• If needed, rename the .mka files to whatever the .mkv files are named
• Enjoy

If your player doesn't recognize the files even after this, try :
• changing MPV's config file
> TLDR : add these two lines in your mpv.conf file :
audio-file-auto=fuzzy
sub-auto=fuzzy
• playing an external audio track with VLC
• Using MKVToolNix GUI to remux the files together

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