It sounds like you are referring to a specific piece of content—likely a chapter from a visual novel, a furry/adult comic, or a story-driven animation project. "Beasts in the Sun," "Supporter v8," and "Animo" point toward a creator-driven, Patreon-style release (hence "Supporter" version 8).
The update expands the "Inventory" customization options, allowing for deeper personalization of the protagonist: Beasts in the Sun -Ep.1 Supporter v8- By Animo ...