^(○)^ Straight Manhwa Themes: Isekai, magic, attempting to save sister from novel's tragic ending, gender bender, fight for the throne.
FL: A master swordsman, she has tried for 4 years to try to change her sister's fate with knowledge from the novel. However, nothing has worked so far and in her desperation she approaches the ML. She is quite headstrong and acts before necessarily thinking things through.
️ML: A grand duke and head of a group of knights. He the overworked nephew of the emperor. He is viewed as intimidating and thought of as 'crazy'.
Art: Great! Cover is accurate.
️Setting: 17th-19th c. Europe.
Beware of the Strongest Man Who is Crazy About Me