"My Heroine Sister, Me as the Villainous Noble Daughter"

Christina, born as the daughter of a duke, gains knowledge of her past life when she meets her younger sister, who was taken in and adopted into the mansion one day. Through this knowledge, she learns that this world is contained within a story with her younger sister Michuri as the heroine. Within that story, Christina is positioned as a villainous daughter who oppresses the heroine, her younger sister. However, the actual Christina, paying no heed to such knowledge, has become a complete sister-con, doting on her younger sister without restraint. Yet one day, Christina will come to realize something. The greatest happiness for her most beloved younger sister lies at the end of the story from the knowledge she remembered. What awaits Chris in response to that is execution, suicide, or exile. Even knowing the inevitable destruction that awaits her as a villainous daughter according to the story of her past life, she will surely not hesitate. All for her younger sister's happiness. This is the story of a sister-con duke's daughter who, disregarding her own fate, will one day become a villainous daughter for her younger sister's happiness. ※Serialized as a book by PASH! Books