My Empress Sister Is the Villain

Li Mu thought transmigrating into a novel world as the Third Prince would be easy—until he realized his stunning elder sister is the story's ultimate villain. The Grand Princess Li Yunyue is beauty incarnate by day, a ruthless power-broker by night. With boundless ambition and zero mercy, she's set her sights on her most 'useless' imperial brother to further her dark schemes. Caught between family loyalty and survival, Li Mu must navigate a deadly game where one wrong move could cost him everything.