I Became the Sister of the Time-Limited Heroine

One day, suddenly, I became the twin sister of my favorite terminally ill woman! Being possessed by the king, I married the villain of this novel on behalf of Choi Ae… “Your Highness, such a gorgeous cloak suits you very well.” "I don't know where you got such a sensible cloak." Keu-hum- This man who blushes and squeaks at every word I say… I heard you're a murderer, but why are you so cute? Why is your face so handsome?! At first, it was a plan for my favorite, but it gradually… Do you really think you're getting better?