Power and control is also a prevalent theme. Shiki's position within the vampire hierarchy means that issues of power often come into play. Fanfictions may explore how he deals with power struggles or tries to gain more control over his own life. For example, some stories might show him rising through the ranks in a new and unexpected way.
One common theme is the exploration of Shiki's hidden past. Many fanfictions use the OC to dig deeper into what made Shiki the way he is. Another theme is the power struggle. Since the Vampire Knight world has a complex power structure, the OC often gets involved in power - related issues, either by accident or by design.
One common theme is his relationship with other characters, especially his friendships or rivalries. For example, his interactions with the main characters can be a central focus, exploring how he fits into the complex world of Vampire Knight.
In a fanfiction, Rima and Shiki could start as rivals. Rima might see Shiki as a threat to her position among the vampires. But then, they get paired up for a task that requires them to work together. As they spend time together, they start to understand each other better. Shiki realizes that Rima is not as cold as she seems, and Rima sees that Shiki has a kind heart beneath his tough exterior.
A story could be about Rima and Shiki exploring an ancient vampire tomb. There, they find clues about their vampire lineage that they didn't know before. This discovery could change their relationship as they realize they are more connected than they thought.
One common theme is the struggle between different species. Since it involves wolves and vampires, there's often a power struggle or a need to co - exist. For example, wolves might be seen as a threat to the vampires' control in the fanfictions.
Love is a very common theme. The relationship between Zeki is often explored in depth, from the initial attraction to the deeper emotional bond. Another theme is sacrifice. They might have to sacrifice something for their love or for the greater good in the fanfictions.
One common theme is love and sacrifice. Kain often finds himself in situations where he has to choose between his love for someone and his duties or the safety of others. Another theme is the struggle between good and evil within him. Since he is a vampire, he has that dark side, but he also has a sense of morality that battles it.
In mpreg Vampire Knight fanfiction, a frequent theme is the exploration of new powers or abilities. Since it's an unusual situation in the vampire world, the pregnancy might bring out unexpected powers in the pregnant male. It could also be about the discovery of a new side of a character. For example, a tough - looking vampire who becomes pregnant might show a much softer and more nurturing side that was hidden before. This can lead to character development and new relationships forming as other characters see this new side of them.
The theme of identity is also very common. Zero has to figure out who he really is, whether he's a human, a vampire, or something in between. Additionally, redemption is a popular theme. Given Zero's actions and his inner turmoil, many fanfictions explore his journey towards redemption. There's also the theme of power, like how Zero gains or loses power and how he uses it.
Another theme is friendship. Characters in Vampire Knight Guilty fanfiction form strong bonds of friendship that help them get through difficult situations. These friendships can cross the boundaries between different species, like vampires and humans, and add a lot of depth to the stories.