: These files are typically sold as digital downloads (hence the .mp4 extension in your query) rather than physical media.
: Often marketed as "amateur" or "unrated" content compared to major Japanese studio releases. FC2PPV-3131772.mp4
In this system, independent creators or "amateur" labels upload content directly to the platform. The "PPV" designation indicates that the content is sold on a per-view or per-purchase basis rather than through a traditional studio subscription. : These files are typically sold as digital