A raw .mkv or .mp4 file of SONE-431 is obtained, usually from a BD (Blu-ray Disc) or a web-dl. No subtitles are attached. File size: ~5-10 GB.
Use ffmpeg to remux and force subtitle timing: SONE-431-engsub convert02-10-18 Min
This is often a credit tag for the "encoder" or "uploader." In this case, "Min" is likely the handle of the individual who synchronized the subtitles or managed the file conversion process. The Role of Fan-Subtitling (Fansubs) SONE-431-engsub convert02-10-18 Min
The film is often categorized under "hidden young housewife" dramas within the JAV genre. SONE-431-engsub convert02-10-18 Min