Clannad's doujin novels were derivative works based on the anime. Doujin novels were usually created by fans with their own unique storyline and character settings. Clannad's doujin novels had many types, among which the more common ones included love, combat, adventure, and so on. Some doujinshi novels would remake the characters, while others would change them to suit the audience's tastes. Clannad's doujinshi novels were also loved by many readers because they could bring more emotional resonance and memories to the readers. Many doujinshi novels would use anime works as the background to tell their own unique stories, bringing a new reading experience to the readers.