CP names of Liu Yaowen and Ding Chengxin.

In p>216, Liu Yaowen was the third-generation trainee of TF family, and Ding Chengxin was a member of the second generation. When the family held a Christmas Fantasy Night performance, Ding Chengxin needed help to perform magic show, so he went to the trainee and chose Liu Yaowen.

due to Liu Yaowen's good appearance and other conditions, and the turbulence of TF family at the beginning of 17 years, the company promoted Liu Yaowen to the second generation trainee in order to strengthen the family and trained with Ma Jiaqi and others who were newly added at that time, so he quickly came to the public and later became a member of the current Youth League.

extended meaning of cpf:

CP powder, abbreviated as CPF, refers to fans who like a pair of CPS (lovers). Cp powder is the fans of an imaginary couple of a certain ethnic group. They like to imagine their favorite two stars as lovers, especially hoping that a couple in the play will also become lovers in reality. Among them, many people originally only liked one star, and then inexplicably fell in love with this person's gossip boyfriend/girlfriend.