There are many Doujinshi novels about crosses and vampires. Here are some recommendations: The Cross and the Vampire: Our Love Story Cross and the Vampire: The Vampire Princess 'Magic Castle 3. Cross and Vampire: Intimate Contact with Black Feather Coat The Cross and the Vampire: My Intimate Contact with My Master 5. Cross and Vampire: Searching for the Master's Secret 6. Cross and Vampire: Dance of the Vampire and the Princess The Cross and the Vampire: My Intimate Contact with the Cross Cross and Vampire: Curse of the Black Reaper Cross and Vampires: Vampire Hunter D Cross and Vampires: Vampire Hunter D2 These novels were all completed stories about the love stories between different characters. You could choose to read them according to your preferences.