My Baby Is so Cute

She, a genius vindictive killer, was poisoned to death by her biological sister; she, the good-for-nothing spirit daughter of the Fang family, got pregnant out of wedlock and was kicked out of the house. When she becomes her and opens her eyes again, her sharp edge and stunning talent are revealed, and everything in the world surrenders to her! He, the mysterious and unpredictable Demon Lord, has countless identities and strange whereabouts, but he only loves her to the core.