Histoire
Elena Blaise grew up as a count’s daughter in a royalist household backing Crown Prince Carlisle. The prince’s sudden assassination makes way for the Anti-King Paveluc, who annihilates House Blaise overnight. As the sole survivor, Elena trains as a knight to avenge her family. When she finally faces off with Paveluc, a deadly blow not only knocks her unconscious but also catapults her into the past! Elena wakes up one year before the fall of House Blaise.
Synopsis via AniList (en anglais).