I Became The Terminally Ill Sister Of Final Villain

I transmigrated into a novel where my favorite character was the final villain— As an extra named Amila Elias. Not just any extra, but the Villainess’ sister. To prevent my beloved Villainess from facing a brutal death ending, I awakened a special ability. But of all things, my penalty turned out to be a terminal illness. While searching for an elixir in a dungeon, I accidentally saved the future duke— A sub-male lead who was originally supposed to kill my favorite villain. “Don’t lie. You’re surrounded by magic! And your movements—there’s no way you’re just a mere maid. What’s your real identity?” “I am Amila Elias.” I also gave some sketchy advice to the novel’s heroine, who was ...