Cp is the abbreviation of "couple pairing", which is often used to describe the relationship between two virtual characters or real people, especially in secondary culture and fan writing. In novels, cp plots usually appear between two characters in the same work, or between characters across works, to show their emotional development and interactive relationship. Cooperative principle has become a popular literary element in modern novels, which promotes communication and creation among readers.

Cp is a product of the Internet age, which originated from the concern of readers and fans on the Internet about the relationship between virtual characters. Through the communication and sharing on the internet, various novels and cartoons with the same human nature have been formed, thus expanding the emotional relationship between characters. Cp can be cut in from various angles, such as emotion, gender, occupation and so on. At the same time, the phenomenon of cp will also appear among celebrities in real life. For example, some popular variety shows, netizens will divide two guests into cp and give them some detailed comments.

Although the cp plot in the novel is welcomed by readers, in real life, cp phenomenon may affect the images of actors and celebrities. If two celebrities form a cp, but they don't have a love relationship, some fanatical fans will continue to spread this rumor and interfere in their private lives in various ways. Therefore, when commenting on the relationship between characters, we should be rational, respect the privacy of characters, and be careful not to bring them negative influence.