I Quit Being The Male Lead's Rival

On a day as usual as any other, Anabelle remembers memories of her previous life. She has been reincarnated as the second most popular character in a novel. She also did all kinds of bad things to the male lead, and in the end, she ended up in prison! To avert this fate, Anabelle begins to save Ian, the male protagonist, from danger. However, for some reason, Ian suddenly becomes obsessed. "Why do you not talk harshly to me these days? Curse me... Please." This man seems a little strange!