FWIW, aus dem Wiki-Link im OP :
Onnagata (女形/女方, lit. "female role") (also oyama (女形)) are male actors who play female roles in kabuki theatre.
The modern all-male kabuki was originally known as yarō kabuki ("male kabuki") to distinguish it from earlier forms. In the early 17th century, shortly after the emergence of the genre, many kabuki theaters had an all-female cast (onna kabuki), with women playing men's roles as necessary. Wakashū kabuki ("adolescent-boy kabuki"), with a cast composed entirely of attractive young men playing both male and female roles, and frequently dealing in erotic themes, originated circa 1612.: 90
Both onnagata and wakashū (or wakashū-gata), actors specializing in adolescent female roles (and usually adolescents themselves), were the subject of much appreciation by both male and female patrons, and were often prostitutes. All-male casts became the norm after 1629, when women were banned from appearing in kabuki due to the prevalent prostitution of actresses and violent quarrels among patrons for the actresses' favors.: 90–91 This ban failed to stop the problems, since the young male (wakashū) actors were also fervently pursued by patrons. ...