Sweetening the Villain After Transmigrating

Yang Nuannuan transmigrated into an old-school CEO romance novel, becoming the villainess with the same name. In the original story, the villainess marries the story's main antagonist in place of the heroine, only to have her identity exposed and be killed by him. After transmigrating, Yang Nuannuan trembles, determined to be a sweet, obedient girl so the powerful antagonist won't want to kill her. But why did the plot go haywire? Why is the antagonist so doting? And they even got a marriage certificate? The antagonist says, "I'll give you the whole world, just call me husband." Yang Nuannuan…