Sakamaki Riona(坂巻リオナ)

Sakamaki Riona is a JAV actress born on January 20, 1979, hailing from Tokyo. Standing at 160cm, her measurements are B90(E)-W59-H88. Based on available data, her career in the Japanese adult video industry appears to have begun around 2002 and has continued for over a decade, with releases as late as 2025. Her work demonstrates a strong focus on mature themes and a mature woman image. From the titles and genre tags, Sakamaki Riona is heavily associated with the "big breasts" (巨乳) genre, often featuring in works that showcase her bust size. Other prominent genres include SM, bondage (縛り・緊縛), and roles such as secretaries (秘書), nurses, and sex workers (キャバ嬢・風俗嬢). She is seen in various fetish themes, including gag and ball gag (さるぐつわ), and stewardess (スチュワーデス). She also appears in works featuring more extreme themes. Throughout her career, Sakamaki Riona has worked with several studios, including Cinemagic, Warp Entertainment, Media Bank, Gunyosha, and Attackers. She has appeared in several series, such as "Beautiful Slave Secretary Golden Best," "Lewd Actress," "Slave Secretary," "Bondage Doll," "Stewardess," "The Best of No.1," "The Best of Angel Girl," "The Best Bust x Bust x Bust," and "Snake Bondage Anthology." Overall, Sakamaki Riona cultivated a career specializing in mature woman roles, often involving SM and bondage themes, with a consistent emphasis on her large bust. She is known for her performances in various fetish scenarios, particularly involving bondage, and her collaborations with several prominent studios have established her as a recognizable figure in the JAV industry.