Yokoyama Masami(横山正美)

Yokoyama Masami is a JAV actress who appears to have debuted around the early-to-mid 2000s, based on available work information. Her career seems to have spanned at least several years, with releases appearing as late as 2010. Analyzing her works, Yokoyama Masami's initial career appears to have focused on content featuring older sister (お姉さん) themes. Other prominent genre tags associated with her early work include onanism, incest (近親相姦), and pantyhose/tights. Over time, based on limited available data, her work may have broadened to include other fetish-based content. She appeared in compilations such as "ミニスカ洗濯お姉さんBEST 20人4時間SP", indicating an involvement with miniskirt and laundry-themed fetish works. The available work data suggests KT Factory as a primary studio or maker for Yokoyama Masami. She was also featured in the "もうガマンできない" series. Her style seems to center around the older sister archetype, often incorporating elements of self-stimulation and fetish-based scenarios.