Elena, who spent her entire life as a cold-blooded female knight to avenge her family. Moreover, she ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction. “I want to marry you, Your Highness,” she said to the crown prince. She would do this to save her family.
The personality of the main character in this novel is similar to the 86 light novel.