Episode 17 S01 E17

Miles Wei (as Zhang Sinian) Xu Ruohan (as Yun Shu) Ma Ge (as Yun Lan) Zhao Luoran (as Gao Zhiyi) Sheng Gangshuai (as Lin Nuo) Dai Yunfan (as Lu Yu) Kefa Cui (as Si Nian's grandfather) Qi Shenghan (as Lawyer Mengran) Joy Sheng (as Lin Chuchu) Chen Shuang (as Professor Shen Lan) Ran Qian (as Gao Mei) Li Jinfeng (as Doctor Zhang) Zhou Jing (as Xia Lin) Arthur Ma (as Gu Xiao) Li Wenjun (as Yun Shu's father) Cao Junhao (as Feng Qi)

teacher student relationship cohabitation contract relationship cold man/warm woman grandpa-grandson relationship based on web novel