Hakushaku-ke no Aisare Keiyaku Reijou

A girl who died unloved by her family is reborn into a novel's world, where she faces hardship from an early age. A count's heir approaches her, claiming to be her father, and offers a contractual father-daughter relationship. Though uncertain, she agrees, seeking a way out of her difficult circumstances. While he may be her biological father, their relationship begins under a formal agreement. The nature of their bond and what lies ahead remain uncertain.