In order to prevent the villainous princess from bringing doom upon this world, Jiang Xu—who transmigrated into her imperial sister-in-law—does her very best to nurture Her Highness into a virtuous and well-behaved ruler, despite her own frail health. However, as time passes, the proud and alluring princess unexpectedly pins her down onto the bed. "If you can accept my brother, why not me? Won’t you spare me a glance, Imperial Sister-in-law?" Jiang Xu: …If you think I’ve lived too long and want to anger me to death, just say so!