Isetani Keiko(伊勢谷桂子)

Isetani Keiko is a Japanese Adult Video (JAV) actress who appears to have debuted around 2013 or 2014. Based on available information, her career, while possibly brief, showcased a focus primarily on mature-themed content. Her work leans heavily into the milf/mature woman (熟女) genre, often featuring storylines involving affairs (不倫) and housewives/married women (人妻・主婦). Other frequently appearing tags indicate an emphasis on lesbian (レズビアン) scenes and large breasts (巨乳). Some of her earlier titles suggest a possible focus on "first-time" experiences (筆おろし) and documentary-style (ドキュメンタリー) production, though the mature woman theme remains consistent throughout her known filmography. Isetani Keiko seems to have worked primarily with Crystal Eizo. She also appeared in at least two series for that studio, namely "Dai Hentai Onna" (大変態女) and "Madam Maniac THE BEST". Her style appears to center on a mature, alluring presence within the confines of the specific genres she inhabited.