Shiina Mayumi(椎名真由美)

Shiina Mayumi is a Japanese Adult Video (JAV) actress who appears to have debuted around the late 2000s, enjoying a career that stretched into the mid-2010s, based on the listed works. Her filmography suggests a strong focus on the milf (mature woman) genre, with a significant number of her works featuring the "married woman/housewife" (人妻・主婦) and "mature woman" (熟女) tags. She also often appeared in works featuring the "cowgirl" position (騎乗位). Analyzing her film titles reveals a leaning towards specific kinks and scenarios. These include titles featuring watersports (潮吹き, 放尿・お漏らし), teacher-themed films (女教師), and group sex scenes (3P・4P). Some of her works also focus on themes of humiliation (辱め). There seems to be a consistent focus on mature, sexually experienced women and related themes throughout her career. Shiina Mayumi has appeared in a number of works released by Corona-sha and Beast Ball (ビースバル). She also starred in Jewel's "○○美人妻" series and Corona-sha's "Cowgirl Lovers" (騎乗位好き) series. Overall, Shiina Mayumi's performances appear to center on portraying experienced and sometimes uninhibited women in a variety of adult scenarios. Her focus on mature themes and specific kinks suggests a niche appeal within the JAV market.