In episode 14. According to the query information, in this episode, when Nana and Xiangxiang were shopping in the mall, Nana suddenly wanted to invite Xiangxiang to have a dinner at the Wyndham Hotel, but Xiangxiang refused. Later, they accidentally met Murong Xiaoxiao in the mall, and the three of them went to dinner together. It turned out that the restaurant was in the Wyndham Hotel. This plot appears in Episode 14 "Food Party".