The complex title "ROE-289-engsub convert02-40-21 Min" is likely a file name from a digital distribution or streaming site. Here is what each part signifies:

: This refers to the final runtime of the converted video file—2 hours, 40 minutes, and 21 seconds. Large video files are often "converted" or compressed for easier streaming without losing significant visual quality. Where to Find More Information

: The unique production code (CID) assigned by the Japanese studio. Codes like these are the primary way collectors and fans search for specific releases.