i became the older sister of a regretful male lead

I Became The Older Sister of A Regretful Male Lead manhwa, 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.comCome to manhwaclan and bookmark this manhwa to wait for us. We will t