A specific internal identifier for a media company (such as NHK, Fuji TV, or Netflix Japan) that hasn't been marketed under that alphanumeric name.
To provide the "deep piece" or analysis you are looking for, could you please clarify: A specific internal identifier for a media company
Knowing if it is a romance, thriller, variety show, or documentary would narrow the search significantly. a specific streaming site
A code used by specific digital archival groups or fansubbing communities to categorize content. a physical DVD/Blu-ray
(e.g., a specific streaming site, a physical DVD/Blu-ray, or a social media post).
Even small fragments of the story can help identify the work.