Sakamoto Ryoko(坂本涼子)

Ryoko Sakamoto is a JAV actress who appears to have debuted around 2010-2011, based on the release dates of her listed works. Her career seems to have spanned for at least a decade, with appearances in titles released until at least 2021. Sakamoto's filmography indicates a strong focus on the "big breasts" (kyonyuu) genre. Many of her works also feature themes of bondage (shibari/kinbaku), restraint (kousoku), and humiliation (hajime). Several titles suggest an inclination towards SM-related content and themes of confinement (kankin). She also frequently portrays characters such as OLs (office ladies), college students (joshidaisei), and high school students (joshikousei). Based on the provided list, Sakamoto has worked with studios such as Crystal Eizo and Art Video. She has appeared in several series, including "Kyonyuu Onnagari" (Big Breast Hunt), "Kyonyuu x Bakunyuu" (Big Breasts x Exploding Breasts), "Kyokusen ○ Jikan" (Selected ○ Hours), and "Kyonyuu PARANOIA" (Big Breast PARANOIA). Overall, Ryoko Sakamoto's JAV work tends to be characterized by a focus on large breasts, often combined with elements of bondage, SM, and role-playing scenarios featuring various character types.