A common retailer for official Japanese media that often includes product descriptions for these codes.
: If you're looking for information or want to purchase/rent this specific title, the best first step is to check the official website of the distributor or service provider that uses this coding system. Many adult content providers, for example, have search functions on their websites. SVDVD-349
Thus, is simply the 349th DVD‑format title from the S1 (or a related) studio. A common retailer for official Japanese media that