The Actress Heiress

She Grew Up Sleeping on the Crown Prince's Lap, and When She Was Older, He Threatened to Make Her His Empress

Please, Everyone, I'm Out of Books to Read!

Looking for something like "Reincarnated as a Villain in a Gacha Game? But I’m a Pink-Haired Trap! (Fairy-Raising Diary)". I’ve run out of books! I want something highly rated, well-written, and long, with a female protagonist. A System is optional, but it has to be satisfying. Fanfiction is fine too, but please, no...