The latter half of your keyword refers to specific branding within the industry:

This is a major studio known for high-production-value interracial content. The term "blacked" has become a shorthand in the industry for this specific genre. Why These Keywords Are Popular

In the industry, she is often cast in "taboo" or "relatable" tropes—such as the "desperate sister" or "innocent roommate"—which are staples of modern adult storytelling. These archetypes are designed to drive engagement through familiar narrative hooks. Understanding the "Verified" and "Blacked" Branding