: Files with this specific naming structure (Series-Type-ID) are typically found on file-sharing forums, imageboards, or specialized content databases.
: The .7z extension means it is a compressed archive created with 7-Zip . You will need 7-Zip or WinRAR to extract the actual video file. Sm-V-Hd-059.7z
Do you have on where you found the file or a specific creator name associated with it? : Files with this specific naming structure (Series-Type-ID)