While there are fictional characters named in romance literature—such as the Duke of Rothchild in Harper St. George's The Heiress Gets a Duke and a figure in Ella Brooks's work—I could not find a specific work titled "RFC - Labor Day Breeding - Evan Sterling, Daddy" in available literary databases or mainstream fiction archives.
To help me draft the content you're looking for, could you share a bit more? Knowing even a few details about the or plot would go a long way:
The term typically refers to a "Request for Comments" in technical or community discussion contexts, but in creative circles, it can sometimes indicate a "Request for Content" or "Request for Commission." Given the specific keywords in your request, this likely refers to a niche, perhaps unpublished, or community-shared "daddy kink" or "breeding" themed story.