Read manhwa I Became The Older Sister of A Regretful Male Lead  / 후회 남주의 시한부 누나가 되었다 Edna possessed the older sister of the Male Lead, the man of regret, in the novel. Even the younger brother is a trash male lead who regrets accumulating all kinds of karma for the female lead, and Edna herself learns that she is doomed to die 3 years after suffering from a dark disease! But Edna, who read the original, knew the cure for dark disease. That is, to be in constant physical contact with a person with an overflowing divine power! The only problem is that he is the 3rd Prince and the older brother of the original female lead, Karen. Edna’s struggle to make a contract engagement begins with a natural meeting… Contrary to expectations, she will be misunderstood as a member of the group that adores Karen, abbreviated as Kalsamo! 20 chapters will be released on manhwaclan.com Come to manhwaclan and bookmark this manhwa to wait for us. We will try our best to update as soon as possible