My Roommate Is a Detective / Qiao Chusheng by Your Side

A little girl with a mysterious background goes to Shanghai to find her father. Along the way, she takes on a case at Detective Qiao's request, helping Lu Yao solve it. As they spend time together, they are drawn to and fall for each other in this conventional love story.

I feel sorry for Si Ye. I still can't get over it.

Theme: Making up for what the other lacks