My Sister Is the Main Character

Reincarnated into a a world of fiction, she sacrificed everything to shield her sister from a tragic fate. But destiny has a twisted sense of irony. Instead of the target, the obsessive Duke's gaze has shifted to her. Now, trapped in a dangerous game of flirtation and obsession, she finds herself drawn to the irresistible pull of the Duke's dark desire. Will she survive his suffocating love? Dive into the chapter 1 now!