The code SSIS-787 corresponds to a commercially released Japanese adult video (JAV) title. The phrases "eng sub" (English subtitles), "my abhorrent father-in-law," "108" (possibly referring to 1080p resolution or a scene/timecode), and "better" (likely a user’s request for a "better" quality or version) indicate this is a search for a specific piece of unlicensed, explicit media.
My Abhorrent Father-in-Law – Episode 108 English Subtitle Guide & Synopsis
If you've seen it, did the subtitles feel accurate to you? Some of the translations in the "better" versions seem a bit more polished than the early leaks. Option 2: Informational/Update (Telegram/Discord)