"New female lead" refers to a female actor or character who plays a prominent role in a story, show, movie, or series for the first time. Full definition
There will be two new female lead roles to fill. (themarysue.com)
Despite the wide market of female gamers, large studios have been slow to introduce new female leads due to their natural risk aversion. (girlhero.net)
Bethesda via Fact Sheet Details Dishonored 2's Main Story, New Female Lead Emily. (gamepur.com)