Matsumoto Kayoko(松本佳代子（松本加代子）)

Matsumoto Kayoko is a Japanese Adult Video (JAV) actress known for her work primarily in the mature woman (熟女) genre, often exploring themes of incest and taboo relationships. Standing at 158cm with measurements B85-W64-H89, she has built a career focused on a specific niche within the JAV industry. Based on available information, Matsumoto Kayoko appears to have debuted around the mid-2000s, with active work visible from 2006 through the early 2010s. Her filmography heavily features mature woman roles, often coupled with incestuous scenarios, particularly involving mothers and sons, or stepmothers and stepsons. Titles and genre tags frequently indicate themes of forbidden love, illicit encounters, and the crossing of familial boundaries. The prevalence of tags like "近親相姦" (incest), "熟女" (mature woman), "義母" (stepmother/mother-in-law), and "母子" (mother and child) clearly define her primary area of focus. Throughout her career, there doesn't appear to be a significant shift in her genre focus. She consistently portrayed mature women in taboo scenarios. She has worked with various studios, including Madonna, Global Media Entertainment, Ruby, APA, Jukudora/Emanieru, Dynamite Enterprise,奉行 (Bugyo), Pile Driver, VIP, and Yellow Duck. She has also appeared in several series, such as "○十路の性" (Agero no Sei), "新・母子相姦遊戯" (Shin Bochisoukan Yuugi), and "近親相姦（Yellow Duck）" (Kinshin Soukan (Yellow Duck)). In summary, Matsumoto Kayoko is a JAV actress who has carved out a niche for herself portraying mature women in taboo scenarios, most notably incestuous relationships. Her work focuses on the appeal of older women and the transgression of societal norms.