: The unique content ID assigned to this specific video in the FC2 database.

When searching for or downloading files with these identifiers, be cautious of third-party "tube" sites or file-sharing platforms, as they are often high-risk areas for malware and intrusive advertising.

If you are looking for specific metadata (such as the creator's name, release date, or description), you can search for the numerical ID () directly on the FC2 Video portal .

: The distribution model, meaning the content is sold directly to users by the uploader.

Videos with this naming convention are almost exclusively produced by amateur or independent creators in Japan. Because these are uploaded to the "Pay-Per-View" section, they are often "unrated" or "uncensored," which differentiates them from mainstream Japanese adult videos that must follow strict domestic censorship laws. How to Find Information