Here are some recommendations for a good Vampire Knight Doujinshi novel: "Vampire Hunter D": The story of the love triangle between Zero's demonic spirit and the vampire knight. It has an exciting plot and beautiful scenes. 2."Kiss of Vampire Hunter D": It was a spin-off novel of "Vampire Hunter D". It told the story of the love triangle between Zero's demonic spirit and the vampire knight. 3."Vampire Hunter D: Eternity": It was a derivative novel of "Vampire Hunter D". It told the story of the love triangle between Zero's demonic spirit and the vampire knight.