Sakakibara Yumi(榊原由美)

Sakakibara Yumi is a Japanese Adult Video (JAV) actress who debuted around 2008. Her career appears to have been focused primarily on the mature woman (熟女) genre, often portraying the role of a married woman or housewife (人妻・主婦). Looking at her work, it seems her performances often include scenarios involving group sex (3P/4P), fellatio (フェラ), and cowgirl positions (騎乗位). These elements suggest a focus on more sexually adventurous and explicit content within the mature woman niche. While a comprehensive analysis of her entire filmography isn't possible with limited data, her appearance in the "元祖熟女図鑑 特選！マダム倶楽部" (Ganso Jukujo Zukan Tokusen! Madame Club) series suggests a possible long-term relationship with the Big Morkal studio, or at least a recurring presence in their productions. Her performances seem to capitalize on a mature, experienced persona, aimed at viewers interested in the mature woman category of JAV.