If she had known earlier that he was the cold-blooded King of Hell, would she have been able to treat him badly and look down on him on the first day they met?
If he hadn't taken her out in the middle of the night to humiliate her, could she have accidentally caught his little brother?
In the imperial capital, he is the most ruthless and aloof Master Jue.
In the army, he was a "cold-blooded military king" who straddled both the military and political circles.
As for her, she was still an illegitimate daughter and was disliked by him in every possible way.
One is a snarky and vicious heroine who is a little wild wolf in rabbit skin, and the other is a domineering and ruthless male protagonist who is as ruthless as King Yama but dotes on his wife to no end.