The most critical part of the file name is the beginning alphanumeric code. In the Japanese Adult Video (JAV) industry, every release is assigned a unique identifier code to distinguish it from thousands of other titles.
: This is a standard production code used by Japanese media distributors. The "SSIS" prefix specifically refers to the S-1 No. 1 Style label, one of the most prominent studios in the Japanese Adult Video (JAV) industry. The number "124" identifies the specific volume or release within that series. ssis124enjavhdtoday200821020007 min 2021