If you are looking for the source of a specific video, it is typically a fan-made 3D animation created by artists using software like Blender or MMD, often shared within gaming communities.
In internet subcultures, "piece" often refers to or specific character animations/memes, but in this specific context, it is most likely linked to:
The phrase appears to be a specific search query or file name often associated with a viral clip of the character Piece (from the game Goddess of Victory: Nikke ) or similar animated content .
: This file name format is common on platforms like Rule34, Twitter (X), or specialized animation forums where creators share short loops of video game characters in various outfits.
: There is a character named Piece (or users referring to a "piece" of media featuring characters like Drake or Alice in white outfits) that often appears in fan-made physics-testing animations.