"I will marry you as promised"
…
"I don't like you, but I will marry you"
…
There are not many reasons in life. The heroine always feels that she is being used by her father and used as a pawn. The male protagonist made a promise when he was young to protect the female protagonist and marry her. In the middle, there is the running-in between men and women. There is nothing grand and big, but some warm and gentle fights.
"Xiao Yan, did you like me the first time you saw me when I returned to Shengjing?"
"No, earlier..."