I Became the Sister of the Time-Limited Heroine

Read manhwa I Became the Sister of the Time-Limited Heroine / I Became the Dying Female Lead’s Sister / I Became the Younger Sister of a Dying Woman / 余命わずかなヒロインの妹になりました / 시한부 여주의 동생이 되었다

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 fancy cloak really suits you.”
“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?