Judging from many details, netizens have lived together. When Xu Kaicheng was recording the scene, the door behind him was surprisingly similar to the door in Crystal video, and even the color of the background was the same. In addition, careful netizens also found that they have the same pillowcase. This pillowcase appeared in Xu Kaicheng's live broadcast, and then netizens found that the crystal was ironing this pillowcase.