I Married This Dragon King Instead of My Sister

In her past life, human princess Seraphina loved dragonslayer Cassian with obsessive fervor, forcing him to marry her—though his heart belonged to her younger sister. War erupted, the kingdom fell, and Cassian died pleading only to "never see her again." She perished in flames, vowing: *If given another chance, I will never cling to him again.Reborn on her wedding day, she makes a new choice—yielding Cassian to her sister and offering herself in marriage to the brutal......