Maruyama Kyouko(丸山京子)

Maruyama Kyouko is a Japanese Adult Video (JAV) actress who appears to have debuted around 2013. Based on available titles, her career seems to have centered primarily on the mature woman (熟女) genre. Many of her works also feature the "nakadashi" (inner ejaculation) tag. The titles suggest a focus on the "milf" or married woman (人妻/主婦) subgenre within the mature woman category. Her work frequently involves longer-form productions, with some releases exceeding three or even four hours in length. She seems to be affiliated with the studio Gunyusha, appearing in several of their series, including "Shinpai Gomu Muyou" and "Jukuman JAPAN." Overall, Maruyama Kyouko's filmography indicates a consistent focus on mature women content, specifically targeting viewers interested in the married woman archetype and the inner ejaculation act. Her style and characteristics likely cater to this specific niche within the JAV market.