A Queen's Law of SurvivalHow to Be a Princess; A Princess's Law of Survival; Huang Nu De Sheng Cun Fa Ze; 皇女的生存法则; 황녀의 생존법칙

She used to be an immortal. She gave up her immortality for eternal love, yet was betrayed by the one she loved. In a twist of fate, she was reborn as a queen in another world. Now, she is faced with the ever-impending danger of being sacrificed by her cold-blooded father to her brother. Can she find a way to rewrite her destiny...?