Quick Transmigration: The Villain’s Sweet Wife

The simple and pure System: Host, who are you? Quan Nai: I am just a big weakling. System: We’re letting you go to purify villains, not take advantage of it! The villain smiled dotingly. That year under a fully blooming moon, the villain smiled with a scalpel in hand, “How about always staying beside me?” It was also peaceful that year, the villain threw over a marriage certificate, “The emperor bestowed you a marriage, do you dare not marry?” Or that calm year, the villain packaged himself up, “Master, you promised, you would keep anything that disciple gave you.” System: Both the heroine and the hero have the protagonist aura, how come it doesn’t work on the host?? Many years later...