One common theme is the struggle between humanity and vampirism. Since William Beckett is a human - turned - vampire in these fictions, he often has to deal with the conflict of his former human self and his new vampiric desires, like the thirst for blood.
One popular William Beckett vampire fanfiction could be 'The Vampire's Lament'. It weaves a story where William Beckett is a vampire struggling with his new existence in a modern world filled with both the allure and danger of his vampiric nature.
One common theme is the struggle between their human side and their vampiric nature. They might be depicted as trying to resist the urge to feed on humans. Another theme could be the idea of eternal love. Since vampires are often seen as immortal, their relationships can be portrayed as lasting forever.
Well, Spy x Family fanfiction can be really interesting. Some fanfictions might explore different relationships between the characters in more depth. For example, they could focus on the bond between Anya and Loid in a new situation that wasn't shown in the original manga or anime. It's also fun to see how authors play with the spy and assassin themes in unique ways.
Tutoring + Vampire Knight Doujinshi
The plot of this type of novel was usually that the protagonist was a tutor who met a member of the Vampire Knights on a mission and had an emotional entanglement between the two. In the process of getting along, the protagonist gradually discovered that the other members of the Vampire Knights also had feelings for the protagonist, and the protagonist gradually fell in love with a member of the Vampire Knights. In the end, the protagonist and the members of the Vampire Knights came together and lived a happy life.
This type of novel usually involved the complex relationship between the various characters in the Vampire Knight and the emotional entanglement between the protagonist and the members of the Vampire Knight. At the same time, there might be some special settings such as the combination of the protagonist's tutoring skills and the abilities of the vampire knights.
If you want to read this kind of novel, I suggest you search for some Doujinshi works about tutors and vampire knights. There might be some works that suit your taste. However, it is important to note that doujinshi works may have some copyright issues, so you have to bear the risk yourself.
I'm not sure of specific William Beckett and Brendon Urie vampire fanfiction titles off the top of my head. However, fanfiction communities such as Tumblr might also be a good place to look. Sometimes fans post about their favorite fics or even link to them. You could also try joining relevant fan groups on Facebook or Reddit and ask for recommendations. They might be able to point you to some really good ones.
The vampire community's reaction would be complex. Some vampires, especially those who are more progressive or have a soft spot for Caroline, might support her. They could see her pregnancy as a sign of new beginnings and a way to bridge the gap between different factions in the vampire world. However, the older and more conservative vampires would probably oppose it vehemently. They might see it as a threat to their long - established traditions and hierarchies, and would stop at nothing to prevent the birth of a child that could potentially change the balance of power in the vampire world.
The Cullens might be cautious at first. They have their own set of rules and way of life. If Harry Vampire shows up, they would need to figure out if he's a threat or not. They might try to keep an eye on him and see what his intentions are. However, if he proves to be harmless or even helpful, they could eventually accept him.
One interesting story could be about their family traditions. Maybe they had a special way of celebrating holidays together. For example, they might have had a big family dinner on Christmas with unique recipes passed down through generations.