I Became the Sister of the Time-Limited Heroine

Transmigrated into the world of her favorite novel, she becomes the twin sister of the terminally ill heroine. To save her beloved sister, she makes a desperate pact: marry the novel's most feared villain. But the man she expected to be a murderer is surprisingly shy, blushing at every word she speaks. In a game of love and danger, will her plan to protect her sister lead to her own heart's betrayal? Discover the romance and secrets in Chapter 1!