The heroine has a frail body and a calm mind, but she is a coward at heart. Through a precognitive dream, she knows that the hero will become the chief assistant in the future and will have the sole power of killing, so she shows her kindness in advance.
The male protagonist comes from a poor family and has many ups and downs on his way to study and become an official. He is cold-blooded and paranoid in order to get ahead. He learns of the female protagonist's miraculous power of prediction and wants to stay with him to make use of it.
Purpose: Love and career should be balanced with both hands, be sweet rather than intellectual.