1. According to the query of official website, and Duan are friends who make videos together. Zhen Zhen in the video, formerly known as Wang Yunzhen, was born on 20 1 1, and is a child star after 10, playing a family in the northeast.

2. Pearl Krabs and Zhang Yicheng are childhood friends and members of O Dog Youth League. They appeared on the short video platform and hugged Zhang Yicheng in the video.