Doujinshi, a term derived from the Japanese words "dōjin" (同人) meaning "same person" or "like-minded people" and "shi" (誌) meaning "book or magazine," refers to self-published works created by fans, typically based on existing media such as anime, manga, or video games. These works are often created by amateur artists and writers, though professional creators may also participate.

Key Characteristics of Doujinshi: Fan-Created: Doujinshi are entirely created by fans, often inspired by their love for a particular series or character.