The Princess Wants to Find a Husband

People say that children come to trick their father, but she was directly tricked to death by her father. She died unjustly and wanted to be a seductress, but she was pushed into a space gap in another world by the lingering female ghost. She was reincarnated into a wealthy family, but she was in danger of dying at birth. What should she do to survive in this strange world? And protect her younger brother who was born a moment after her!