Onishi Mayumi(大西真由美)

Onishi Mayumi is a JAV actress who appears to have debuted around the late 2000s, based on the available information, with a career spanning at least a few years. She is predominantly featured in mature-themed JAV productions. Her work leans heavily into the "milf" or "mature woman" (熟女) genre, often portraying married women or housewives (人妻・主婦). Common themes in her films include affairs (不倫), and sexual stimulation devices such as vibrators (バイブ, 電マ). Some of her earlier work also indicates a focus on voyeuristic elements and documentary-style scenes. Based on the listed titles, Onishi appears to have worked with studios such as Crystal Eizou (クリスタル映像), OFFICE K’S, and Media Bank (メディアバンク). She has appeared in series such as "Hitodzuma Delivery" (人妻デリバリー) and "Bijinzuma-tachi no Senzuri Kanshou" (美人妻たちのセンズリ鑑賞), suggesting a willingness to reprise roles and work within established series formats. Overall, Onishi Mayumi established herself as a performer primarily within the mature-themed niche of the JAV industry, with a focus on stories involving married women and their experiences.