Reborn as a Viperous Princess

Reborn in the age of princesses, twelve years in the past, she finds herself surrounded by danger, with every step fraught with peril. To make matters worse, her younger sister, who claims to come from the future and be capable of anything, sneers that she will wipe her out. How can she survive? And how can she prevent history from repeating itself and turn the tide? ++++++++++++++ A battle between a reborn heroine and a transmigrated heroine with a golden finger.