"Why do you think everyone in the world has to go to work!" - Cai Enya
"Because I want to make money" - Xu Zhenghou
"Sister, please stop singing!" - Cai Enya
"You girl..."——Cai Rongxin
The female protagonist is Cai Enya, Cai Rongxin's sister, and the male protagonist Seo Junghou.