Eonniuneun yeodongsaeng-eul baleuge kiwoya habnida (Associated Names)

After a car accident, I woke up as the half-sister of the main villain in the novel Having already possessed her, I decided to lay a flower path to prevent the villain blackening. I worked hard with all my heart and strength… Somehow, I worked and worked stably with the Grand Duke of Lyserville, who…