“Will you stay by my side from now on as well?” Anna Rishtl has spent her entire life being mistreated by her family simply because she was born as the child of a mistress. In a world where nobles are expected to marry by around the age of twenty, Anna remains unmarried even at twenty-eight years old. Day after day, her younger sisters mock her as a “leftover” and an “old maid.” Then one day, Anna is identified as a Saintess—a miraculous existence said to appear only once every several hundred years. According to the kingdom’s laws, she is to be married off to the First Prince. “If it is you, then I want to devote everything I have to you.” The fate of Anna, once ridiculed as “leftover goods,” now begins to change dramatically!