The West has pop stars; Japan has idols . The distinction is critical. Idols are not sold on vocal prowess alone but on "growth" and "accessibility." Agencies like Johnny & Associates (now Smile-Up) and AKB48 groups perfected the "business of parasocial relationships."
Because adult content is frequently updated and subject to licensing, the most accurate way to find the specific cast list or scene breakdown for this exact volume is to check dedicated JAV databases. You can search for the title on platforms like: Anal Club Girls 4 Hours -Oriental Dream- JAV Un...