There are many good vampire anime and doujin novels. Here are a few more classic works: "Vampire Hunter D": This is an anime with the theme of vampires. It tells the story of the battle between the vampire hunter D and the vampires. The work had a strong Japanese anime style, and the plot was compact and the special effects were exquisite. It was very popular among the audience. 2 "Tokyo Ghoul": This is an anime story about the battle between humans and vampires for survival. It tells the story of the battle and growth of the protagonist, Kimki Ken, after becoming a vampire. The work had an exciting plot and a unique style that was loved by the audience. 3 Fate/Zero: This is an anime set in a historical and fictional world that tells the story of the battle and fate between the class followers. The work was deeply loved by the audience with its profound philosophical thinking and unique narrative techniques. 4."The Attacking Giant": This is an anime story about the battle between humans and giants. It tells the story of the protagonist Alan's continuous growth and battle against the giants. The work had intense battle scenes and deep character creation, which was very popular among the audience. The above are some of the more classic vampire anime and doujin novels. I hope you can help.