Xue Tong and Muchenghe visit the planetarium together and look at various exhibits. On their way home, they come across an announcement for a Chinese-Russian cultural exchange event.
Cao Shiping
Mu Cheng He's father
Gao Wenfeng
Xu Jie
Zhou Fang
Wu Tong
Ding Jie
Zhang Lili
Zhang Zhang
Bai Lin
Ye Zicheng
Ye Fei
Fu Bohan
Young Mu Chenghe
Fang Wenqiang
Xiao Zheng
Li Jiuxiao
Mu Hai
Sun Jialing
Zhao Xiaotang
Deng Yuli
Song Qiqi
Chen Bohao
Liu Qi
Li Tingting
Xue Tong
Zhang Chao
Mu Chenghe
Mu Liyan
Zhao Xiaotang's mother
Liu Pizhong
He Ping
Zhang Xiaoqian
Yan Feng
Chang Fangyuan
Ma Han
Gong Rui
Zhong Qian
Liu Qiheng
Shi Xiaoxiao
Li Huan
Li Jiahang
Guo Hong
Xue Tong's mother
Lu Zhong
Xue Tong's father
