[video] December video work (2022) - Sound update

※ Caution : This product is not Koikatsu's scene data. This is the video (MP4).

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• Add voice, sound effects
• Watermark-removed
• 60fps version

Sound editor - @random_tide (https://twitter.com/random_tide)

VA - @BordeauxBlackVA (https://twitter.com/BordeauxBlackVA)