There’s Only One Way For A Reincarnated Lady To Be Adored By His Majesty The King summary:
An unconscious "genius" female knight who couldn't protect the 7-year-old third prince who was involved in the battle for succession to the throne and died 17 years ago. .. I didn't tell anyone about my previous life, and I kept away from the royal palace because of my burden, but suddenly the third prince, who became the king, suddenly asked me to escort him !? The swordfighter and His Majesty the King are swayed and obsessed with each other, and what is the future of this world !?