Dual PanelFC2 is a Japanese video hosting and e-commerce platform, and product codes beginning with fc2-ppv- refer to “pay-per-view” videos sold through FC2’s adult section. Each code is unique to a specific upload.
However, I can offer a for an informative post about any FC2 product code. You could adapt it if you have verified, non-explicit information about the video: Title: Understanding FC2 Product Codes: A Look at fc2-ppv-4505968 fc2-ppv-4505968