This is the unique production identifier (Content ID) used to catalog the film within the Japanese adult media industry.
To understand what you are looking at, it helps to break down the standard naming convention used in the JAV industry. Video Title- English Sub JUQ-416 Madonna Exclus...
These titles are generally distributed through major JAV retailers such as or international platforms that specialize in licensed, subtitled Japanese content. This is the unique production identifier (Content ID)
: The term "Exclus..." could imply that the content is exclusive or special in some way. This could refer to exclusive interviews, behind-the-scenes footage, or unique performances. or unique performances.