The audio drama/album seems to be a part of a series called "Kemonokko Tsuushin" (, which roughly translates to "Animal Communication" in English). The title suggests that it's an audio adaptation of an anime or manga series.
Kemonokko Tsuushin The Animation 01 Audio La Best kemonokko tsuushin the animation 01 audio la best
The audio drama/album appears to be a rare or hard-to-find item. I couldn't find any prominent online stores or marketplaces selling this specific title. It might be available through specialty Japanese anime or manga stores, or through second-hand markets. The audio drama/album seems to be a part