I Became The Older Sister of A Regretful Male Lead

Trapped in the body of Edna, a doomed woman destined to die from a mysterious dark disease in three years, the odds are stacked against her. But Edna knows the secret to her survival: a divine power that can only be provided by the Third Prince. To stay alive, she must navigate a dangerous game of political intrigue and the own brother's redemption. Will she secure the contract engagement she needs to survive? Dive into the chapter 1 and discover the fate of Edna!