Estelle Schubert

She is reincarnated as Lucifela Aydin. Once a knight of Ersha, she becomes a noble lady engaged to Zed. As Lucifela, she figures out what happened after she died and how to enact revenge against her killer, Khalid. Estelle comes to appreciate the difficulties that noble ladies face and how they do their best despite their limited power in society. (Source: Otome Isekai Wiki)