"Hard subs" are burned into the video. "Soft subs" are separate .srt files.
If the text doesn't match the speech, use the G and H keys in VLC to shift the subtitle timing forward or backward. Safety and Privacy Reminder juq867 eng sub
Most Japanese adult media is produced exclusively for the domestic market. Because the legal and distribution rights are focused on Japan, studios rarely include official English subtitles. How Subtitles are Created "Hard subs" are burned into the video