In Liyue Harbour,at Wanwen Bookhouse,Ella and Xiangling are there search the book while as Ella take the book and accidentally all of the books fall but Xiangling immediately catch it for her and put it back to the bookshelf before she's turn around and look at Ella

Xiangling: Be careful next time, okey???

Ella: give Xiangling her small nodded while holding the book on her hand O-okey!