The Marquis's Courtesan Daughter

Azure, devoted to General Vincent Sutton for eight years, raising daughter Selene, awaits his promise to marry her. Instead, he buys her sister Ivy's freedom. Azure's true identity is revealed: long-lost heiress of the Marquisate of Sterling Peace. Returning home with her daughter, she exposes Ivy's true identity as a remnant of the former dynasty, and breaks free to become a life-saving female doctor.