Episode 4

Kang Yaxin as Self - Contestant

Lu Qihua as Self - Contestant

Lu Yao as Self - Contestant

Abby Chong as Self - Contestant

Yuan Bochao as Self - Contestant

Zhang Tong as Self - Contestant

Yang Zixuan as Self - Contestant

Kong Lingling as Self - Contestant

Chen Xiaowen as Self - Contestant

Wu Yue as Self - Contestant

Jin Dachuan as Self - Mentor

Yang Xuwen as Self - Mentor