C1963 Who Are You?
Zhang had a hot water bottle in his hand. He probably just came back from the hot water.
When she and Leng Xuemu registered, Leng Xuemu drove there himself, so other than the two of them, no one else knew about it. That was why Zhang still called her "Miss Xu".
Zhang had been following her as her driver for some time. He didn't expect her to be so well wrapped up