How To Save A Time-limited Young Master

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 aren’t you giving your greetings?” Zenon, the ill-tempered young master that had been left unattended for a long time. Her father, who said to get close to such a young master first. While she didn’t like it, she hung out with him as she felt sorry for him, who didn’t have any friends, but during then, Heloise came to a realisation. This wo...