How Did the Novel's Villain Fall for Me?

Josie Lark, a dying girl, spends her savings on a "Transmigration Bride" package—and lands in her favorite medieval romance. She meant to seduce the war hero Tristan, but the system slips, and she wakes on top of the book's most dangerous man: Lucien Valcourt, the "Mad Duke," future usurper. Worse, she's bound to Vivienne Ashcombe, the villainess who dies by chapter three. To survive, Vivienne dodges the plot and accidentally saves Lucien—who is now fascinated by her.