Which episode is it about the full-time masters Ye Xiu and Ye Qiu meeting their father at the same time?

The full-time masters Ye Xiu and Ye Qiu met their father at the same time in episode 18. In "The Master", Ye Xiu and Ye Qiu met in the eighteenth episode. In this episode, Chen Guo mistook Ye Qiu who came to see Ye Xiu for Ye Xiu, which eventually caused a joke. Because Chen Guo just asked Ye Xiu to buy some clothes to dress up, Ye Qiu, who was in a suit and leather shoes, came unexpectedly and made a scene in the Internet cafe. When Ye Xiu and Ye Qiu appeared in front of Chen Guo at the same time, Chen Guo was surprised, and then she realized that Ye Qiu also existed.