I Decided Not to Obsess Over the Duke Anymore

Introduction to the Work: Ha Eun-ju, who lived an unhappy life and met a miserable death at the age of 20. When she opened her eyes, she had become Seres, an extra in a novel. As soon as she realized this, she was about to excitedly go and stan the female lead... "You look perfectly fine. What exactly is wrong with you that you sent me such a letter?" The Duke of Bufferd, a supporting character she had cursed at while reading the novel, was looking at her with a disgusted expression. But what? I was this man's lover? "N-No way... I didn't get dumped by the Duke and become obsessed, did I?" "You did... obsess." "Don't tell me I got caught obsessing, heard harsh words, and took poison...