Files of this nature are often leaked or mirrored on external archival sites (such as Mega.nz or niche MMD forums). However, the original source is intended to be a paid subscription via the creator's Fanbox page. Users often search for these specific strings to find "complete packs" of a creator's legacy work after they have been moved behind a paywall or deleted. Safety Warning

This file is part of a collection of 3D animation content typically distributed through Pixiv Fanbox , a crowdfunding platform where creators share exclusive work with supporters. The "2021" suffix indicates it is a compilation of work released during that year. Content Analysis

Keyframe animations that allow users to make 3D models dance or perform specific actions.

Based on the naming conventions used by this creator on platforms like Bilibili and various MMD communities, the ZIP file likely includes: