Kasai Yasuko(笠井ヤスコ)

Kasai Yasuko is a JAV actress whose career appears to have begun around 2018 based on available information. While an exhaustive list of her works isn't readily available, she has appeared in many productions since then. Based on titles and associated genre tags, Kasai's work tends to focus on mature women (熟女), particularly those categorized as middle-aged (五十路). She frequently portrays characters within the "milf" (人妻・主婦) and "affair" (不倫) categories, often with a focus on busty (巨乳) performers. The limited data suggests a consistent focus on these specific niches throughout her career, rather than a significant shift in genre. While specific studio affiliations aren't easily determined from the provided information, her appearances are likely spread across various makers specializing in the mature women niche. There isn't enough data to determine if she has appeared in any recurring series. In summary, Kasai Yasuko is a JAV actress known for her work portraying mature, married women in adult films. Her performances often cater to audiences interested in the "milf" and "adultery" genres, with an emphasis on mature, busty performers.