Character crossovers are also a major theme. Fans love to see how characters like Harry Potter would interact with Sebastian from Kuroshitsuji. It creates a lot of interesting dialogue and scenarios. For example, they might have different views on good and evil, and how they resolve those differences can be a big part of the story.
One common theme is the clash of different magical systems. Since Harry Potter has a more 'school - based' magic system and Kuroshitsuji has a more 'contract - based' system, seeing how they interact is a big theme.
The exploration of different worlds is another theme. The fanfiction often takes the readers on a journey through both the wizarding world of Harry Potter and the darker, more Victorian - era world of Kuroshitsuji. This allows for a lot of world - building and description, as the two very different settings are combined in new and exciting ways.
One common theme is loyalty. The male oc might show extreme loyalty to a certain character or cause, similar to the loyalty Sebastian has towards Ciel. This can create intense emotional bonds within the story.
One interesting story could be about Sebastian from 'Kuroshitsuji' finding himself in the wizarding world of 'Harry Potter'. He might interact with the Hogwarts students and teachers in unique ways. Maybe he uses his demon powers to solve some of the magical mysteries in the castle.
One common theme is the power dynamic. Sebastian is a powerful demon and the reader is often in a more vulnerable position, so exploring how that power is balanced or shifted is frequent. For example, in many fics, the reader might initially be at Sebastian's mercy but gradually gain some form of influence over him.
Isolation is another theme. Alois is an isolated character, and with Claude as his only real connection in some ways, the fanfictions might explore how this relationship affects their sense of isolation. Whether they bring each other out of their isolation or make it worse through their complex relationship is a topic that is often explored in Kuroshitsuji Alois x Claude fanfictions.
A popular one could be 'Merged Realms'. In this fanfic, the Hogwarts and the Phantomhive Manor settings are blended. It often features Harry and Ciel working together to solve a mystery that involves both the wizarding and the demon - filled worlds of their respective stories.
One common theme is the exploration of relationships. For example, romantic relationships between characters that were not fully explored in the original books, like the relationship between Harry and Hermione. Another theme is the expansion of the magical world, such as new spells or magical creatures. Also, there are fanfictions that focus on the backstories of minor characters, giving them more depth and significance.
Love and sacrifice are also prevalent themes. We see how the love of Lily Potter saved Harry in the original series, and fanfiction often expands on this idea of love being a powerful force. There are also fanfictions that explore the idea of redemption for characters like Draco Malfoy, showing that even those on the wrong side can have a chance at changing and making amends.
One common theme is adventure. Combining the action - packed world of 007 with the magical adventures of Harry Potter makes for some thrilling stories.
A plot could involve Ciel Phantomhive being magically transported to Hogwarts. Since he's used to a world of mystery and intrigue in his own story, he might quickly adapt to the secrets of Hogwarts. He could form an unlikely alliance with Harry Potter and his friends, and together they face a new threat that combines elements from both universes, like a dark wizard who has made a deal with a demon.
There's also 'Merged Realms'. This fanfiction does a great job of integrating the storylines. It starts with Harry Potter accidentally stumbling into the world of Kuroshitsuji. The author has really captured the essence of both universes and created a fascinating story. For example, Harry's magic and the contracts in Kuroshitsuji are combined in a very interesting plot device.