시한부 도련님을 살리는 방법 (Associated Names)

She possessed the daughter of a ducal family’s vassal. She became the weak young master’s companion, whose lifespan is reduced every time mana is used. While the young duke possessed stronger mana than the previous dukes, everyone thought that he would die before reaching adulthood. “Young master, this is my daughter, Heloise.” “……” “Heloise, why…