The so-called Mary Sue, the perfect heroine among fans. Its meaning is to create a girl who does not exist in the original work, and fall in love with the beautiful boys in the story.This girl, from the low-level writer, it is obvious that the writer has substituted his own obscenity.Well, writing "Mary Su" can be recognized, almost one in a thousand, laughing, this is a kind of writing that provokes public outrage, but it can be regarded as a good writing if it can be grasped well. Mary Sudo comes from BG texts, but from a definition point of view, it is also very easy to be confused with BG texts of some original heroines. In fact, some BG texts of original heroines who are "very holy and powerful" are already Mary Su, but the author does not Willing to admit it.

"Mary Sue" is a pejorative term for an avatar, which is not an ordinary character but a specific character and style.If the author creates a character, the role of this character is to replace her to realize the adventures she cannot have, the interesting things she cannot experience, and the rare celebrity (this celebrity may be just a fictional character in the work, but not necessarily So), then, this character is usually called Mary Sue (the feminine name is fixed due to the origin, and the male version has no suitable name to describe it) Most Mary Sues appear as smart, beautiful, and talented girls. In the original version, she either joined the Imperial Fleet and captured the hearts of the main male characters in the original (sometimes a lot), Or in the end, tragically, in his arms.I'm sure that readers who are familiar with any fanwork will find similar characters in their own fanwork circle.

Mary Sue is a character that either reflects the author's own desires, or is slightly modified; she/he is favored by the creator but difficult to win the approval of the public. Mary Sue is a perfect person (often—if not always—poorly written) that detracts from the dynamism and authenticity of the other characters, overrides the plot, and drives the main character to do exactly her/his will. ———The above, from "Baidu Encyclopedia"