Naruto, Grim Reaper, and One Piece were the three most famous anime works. There were also some comics and doujin novels between them. Here is some information that might be useful: Naruto Blade: This is a fantasy novel with Naruto as the background. It tells the story of a ninja teenager growing up in a mysterious world. 2 " Death's Eternal Seal ": This is a science fiction novel with Death as the background. It tells the story of a young Death who discovers a new world in the process of exploring the eternal seal. 3 One Piece: Pirate King: This is a fantasy novel with One Piece as the background. It tells the story of a young pirate growing up in the sea. 4 Naruto: The Sealed Land: This is a fantasy novel with Naruto as the background. It tells the story of a ninja youth growing up in the Sealed Land. 5 One Piece: Pirate Luffy: This is an adventure novel with One Piece as the background. It tells the story of a young pirate Luffy's adventure at sea. The above is some useful information about comics and doujin novels, but please note that these novels may not be completely based on the original plot and may have some adaptation and creativity. If you need more specific information, I suggest you read the original work or the relevant novel website.