The presence of “HD” in a title serves two practical purposes:
This is the product's unique serial identifier or release date string. In standard JAV metadata logging, this sequence typically indicates the exact release date formatted as YYMMDD (November 11, 2010), followed by the scene or update number ( 01 ).
Based on my search, here are the key details of this specific video:
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: The identifier "101111_01" typically denotes the release date, which in this case corresponds to November 11, 2010 .