In some fanfictions, a little girl might be a vampire herself, but a very young one. Her story could revolve around her trying to understand her vampire nature while being in the middle of the power struggle between the purebloods and the vampires who oppose them. This can create a really unique perspective on the Vampire Knight world.
One great Vampire Knight little girl fanfiction could be about a young girl who discovers she has a special power in the Vampire Knight universe. It might involve her befriending some of the main characters like Zero or Kaname in a really cute and innocent way.
A really cool one is 'Akatsuki's Vampire Hunt'. In this fanfiction, the Akatsuki are on a mission to hunt down some rogue vampires in the Vampire Knight world. It delves into their skills and how they use them in this new and dangerous environment. It also has some unexpected twists that keep you on the edge of your seat.
I really like 'A Hidden Bond'. In this fanfic, it delves deep into the relationships that could form between the characters of KHR and Vampire Knight. It's full of emotional moments and some great action scenes. The author does a wonderful job of making the two different universes blend together seamlessly.
A common theme is innocence. The little girl often represents a pure and innocent presence in the rather dark and complex Vampire Knight world. For example, she might be the one to bring out the softer side of the brooding characters like Zero.
I really like the fanfiction 'Renxai in the Moonlight'. It focuses on Renxai's relationships with other characters. The interactions are well - written and it adds depth to his character. It also has some interesting plot twists that keep you hooked from start to finish.
It could be a vampire hunter's daughter. She might be sent to the school undercover to gather information on the vampires there.
One great Vampire Knight fanfiction is 'A New Beginning'. It offers a fresh take on the Vampire Knight world by introducing a new character who has a unique power. This character disrupts the existing power dynamics in Cross Academy and creates interesting plot twists. The story also delves deeper into the backstories of some of the main characters from the original series, which makes it really engaging.
Some fanfictions focus on Senri and Takuma's friendship evolving over time. For example, they start off as just acquaintances but as they face various challenges together, like protecting a human they both care about from other vampires, their bond grows stronger and they become true friends who would do anything for each other.
I really liked 'A Potter in the Night Class'. In this fanfic, the fem Harry Potter is transported to the Vampire Knight universe. The author does a great job of integrating the two universes. For example, Harry's magic interacts with the vampire powers in unexpected ways. It also has a great deal of character development as she tries to fit into this new world and deal with the different factions, like the Day Class students and the vampires of the Night Class.
One great Toga Yagari fanfiction could be about his backstory before coming to Cross Academy. Maybe it delves into his training and the events that made him the hunter he is. For example, it could show his early encounters with vampires that shaped his views.
One great fanfiction could be where Yuki and Kaname go on a journey to find the origin of their vampire lineage. It could explore their relationship deeper as they face various challenges together.