Mizutani Yumiko(水谷由美子)

Mizutani Yumiko is a Japanese Adult Video (JAV) actress who appears to have debuted around 2012, based on the provided filmography, and maintained a presence in the industry for several years, with releases continuing until at least 2017. Her filmography suggests a strong focus on the mature woman ("熟女" - jukujo) genre, frequently portraying housewives, mothers, or generally older women. Her work often includes themes of seduction and encounters in rural settings. Titles frequently mention "rural mothers" or "farm roads," indicating a niche within the mature genre that emphasizes encounters with older women in the countryside. She is often tagged as 'busty' (巨乳), and sometimes 'chubby' (ぽっちゃり), suggesting that her physical attributes are a key part of her appeal. Over time, her work remained consistent in its focus on mature women, but she appeared in a wider range of sub-genres, including outdoor/exposure (野外・露出) scenes, and even some Emanuelle-themed productions. She has worked with a variety of studios, including Yellow Moon, Ruby, Six Nine, and Four Dimension/Emanuelle, as well as Nadeshiko. Mizutani has appeared in several series, like "National Mature Woman Search Team" (全国熟女捜索隊), "Rural Road Pick Up" (農道ナンパ), "Chubby Tummy Obasan" (おなかがむっちりたるんだおばさん), "Rural Mother" (田舎に住んでるお母ちゃん), and others. In summary, Mizutani Yumiko built a career playing mature women in JAV films, often with an emphasis on rural settings and encounters, with a consistent focus on her mature appeal.