Kanojo ga Koushaku-tei ni Itta Riyuu

Why Raeliana Ended Up at the Duke's Mansion centers on Rinko Hanasaki, a young woman who dies suddenly and awakens as Raeliana McMillan, the eldest daughter of a nouveau-riche baron in the world of a novel she once read. Realizing that she has become a minor character destined for an unhappy end, Ra...