Koike Machiko(小池真知子)

Koike Machiko is a Japanese Adult Video (JAV) actress who debuted around 2006. Based on available information, her career appears to have been relatively short, spanning perhaps a year or two. Her work seems to be primarily focused within the mature woman ("熟女" jukujo) genre. Initial releases, as indicated by titles and genre tags, leaned heavily into niches like mature women, housewives ("人妻・主婦" hitodzuma/shufu), and specific fetishes such as pantyhose ("パンスト・タイツ" pansuto/taitsu). The title "乱れ喰いSEX 激烈熟女" (Midaregui SEX Gekiretsu Jukujo) suggests a focus on intense or uninhibited sex scenes within the mature woman category. She appeared in at least one series, "五十路" (Iosoji), suggesting a focus on women in their fifties. Her work was produced by studios such as Ruby and Shuffle. In summary, Koike Machiko seems to have specialized in a particular niche within the JAV industry, catering to fans of mature women and related subgenres.