In the Japanese physical and digital media distribution markets, products are tracked using standardized alphanumeric codes known as or product IDs .
The keyword refers to a specific Japanese adult video (JAV) release featuring an ensemble cast of popular performers, including Saki Tsuji , Ruka , Minami , and Marin Minami .
While official biographies for all four actresses have become scarce, fragmented records from Wikidata and fan wikis provide some background. is categorized as a Japanese adult video idol, with a recorded birth date of August 9, 1988. Other reports describe her as an "actor" and a former stripper who transitioned into the industry, known for her youthful face and G-cup physique. The identity of Marin Minami in this context appears distinct from the mountaineer of the same name, indicating a different individual who likely performed under this alias. Regarding Ruka , the name appears across several actresses, including Ruka Inaba (born 2000) and former AV actress Ruka Kanae (born 1993), though it is unclear which specific performer appears in this 2008-2013 era title.