Manaka Yuuko(真中優子)

Manaka Yuuko is a Japanese Adult Video (JAV) actress known primarily for her work in the mature woman (熟女, jukujo) genre. Based on available information, her career appears to have begun around 2008 and extended, at least, until 2010. While her active period may have been longer, the titles listed suggest a relatively focused period of activity. Her filmography, as evidenced by the provided titles and genre tags, reveals a strong emphasis on mature woman (jukujo), married woman/housewife (人妻・主婦, hitodzuma/shufu), and big breasts (巨乳, kyonyuu) themes. Several of her works also feature themes of adultery (不倫, furin). Riding position (騎乗位, kijoui) is also a noted element in at least one of the listed titles. While the limited data makes it difficult to discern a clear evolution in her genre preferences over time, the consistency of the themes suggests a deliberate focus on the mature woman niche. She appears to have worked with studios such as Bees Ball and NEXT GROUP, appearing in series such as "Monthly Mature Woman Treasure Trove" (月刊熟女秘宝館, Gekkan Jukujo Hihoukan) from NEXT GROUP. Manaka Yuuko's style can be characterized by her performance in mature-themed scenarios, often involving married women and large breasts.