Demon Consort, Stop Cheating!

Synopsis: "Is that face of yours fake? You change expressions so fast." She rolled her eyes and said disdainfully. "This prince is doing you a favor. Other people don't even get the chance to see me smile," the man said with a smile at the corners of his mouth. "Child, narcissism is an illness. Don't stop taking your medicine." She shook her head and said earnestly. [Scheming heroine, powerful hero, magic and battle aura]