While there isn't a "feature" in the software sense associated with this specific file string, the title format suggests a few things about the video's characteristics: High Definition

A site stamp indicating the original indexing source or the platform where the file was originally uploaded.

Approximately 119 minutes (01:59:43 as noted in your subject). Director: Kitorune Kawaguchi. Label: S1 No.1 Style. Content & Theme