Dawn of Vengeance

She once believed it was love—until the moment he pierced her heart. Born a princess yet scorned for her enslaved mother’s blood, she thought marriage to the crown prince would bring her happiness and respect. Instead, it ended in betrayal and death. Each time she dies, her life resets, trapping her in a cruel cycle. But in her fourth life, she decides to stop running. Now, she will become the ruler herself and take revenge, wielding the sharpest blade that can even cut through fate. Source: MU