Yamamoto Mayu(山本真由)

Yamamoto Mayu is a Japanese Adult Video (JAV) actress who debuted around 2005. While her complete filmography isn't readily available, she appears to have been active for a number of years. Based on the available title, her work seems to lean towards mature woman (熟女), older woman/milf (お母さん), and exhibitionist/slutty woman (痴女) themes. The single listed title suggests a focus on standalone works, rather than exclusively series-driven content, at least initially in her career. Without more data, it's difficult to determine if her genre preferences evolved significantly over time. The single listed work is from KT Factory. More information would be needed to determine if she worked extensively with this studio or others. The title "ボクはもう…" suggests she appeared in series of the same name, but without more titles listed, this can't be confirmed. Overall, Yamamoto Mayu appears to be a JAV actress specializing in mature and exhibitionist content, particularly focusing on the “milf” genre. Her career seems to have begun around 2005, and she has at least one appearance in works produced by KT Factory.