Jiyuu Kimamana Seirei-hime

A girl from the Cypherd family, Olivia, is emotionally distant and feared by her father. After her mother's death at age ten, she is mistreated by her stepmother and stepsisters, who confine her to the attic. She later recovers memories of a past life and chooses to flee, sending a distress signal to Sirius, a boy who once treated her with kindness. Her escape sets off a significant event in the country. The narrative follows her disappearance and the attention she receives from a wealthy man, despite the nation's decline.