Seraphina Ravelle, being the stepdaughter of Marquess Edric, always received luxury. Her mother, Isadora Ravelle, the second wife of the Marquess, abused her power and bullied her elder sister, the Marquess's first wife's daughter, Liora Ravelle. Although she loved her sister, she couldn't express it. In a desperate attempt to give her elder sister a good life, she faked a letter in her name and sent a marriage proposal to Grand Duke Izek Viremont-but to her surprise, he sent a marriage proposal to her?? How is that possible?