Because the file is exactly 57 minutes and 55 seconds, any subtitle line beyond that timestamp is an error. Check last subtitle line: it should end at or slightly before 01:57:55,000 . If it goes to 01:58:00, truncate.
This appears to be an (possibly a converted video segment) from a Japanese adult video with the code ROE-074 , starting at 1 hour, 57 minutes, 55 seconds into the original. ROE-074-engsub convert01-57-55 Min