I Thought It Was A Common Possession

After being killed by her older brother, Choi Suna reincarnates as Edith Rigelhof, the villainess from her favorite novel who dies at the hands of her husband. Armed with knowledge of the cliché plot, she thinks she can easily survive—until she realizes she can't escape the original story's flow. Determined to change her fate, she decides to seduce her husband Killian, but her actions begin to alter the original story in unexpected ways. (Source: Naver Webtoon)