Target: A Soul in Two Bodies [Female Alpha, Male Omega]

[Blurb] Yu He transmigrates into a book, into a novel whose main plot has fallen apart. In the story, the protagonist An You is supposed to be kind and upright. But after enduring countless hardships, he eventually turns dark and seeks revenge on the world, becoming a heinous criminal obsessed with crime and stained with blood. Yu He's mission is to prevent the protagonist from turning dark and get the main plot back on track. Yu He's timing is perfect. The protagonist hasn't yet experienced the tragedies that will turn him dark, so she can complete her mission with ease as long as she avoids those future events. Everything goes smoothly, until An You, already turned dark, is reborn. The not-yet-dark An You and the already-dark An You now coexist in one body, two souls sharing a single vessel. Yu He: ...? 1. Female A, male O. 2. The male lead is the An You who hasn't turned dark, but he's no innocent little rabbit either. He's a cunning little wolf who acts obedient on the surface. www 3. Age gap, sort of a brother-and-sister relationship. 4. Blurb archived on May 14, 2022, and uploaded as a screenshot. Theme: Protecting what is good.