There are fanfictions that might create alternate endings for the 'Book of the Atlantic' story. Maybe in one, Sebastian and Ciel's relationship takes a different turn. Instead of the usual master - servant dynamic, they form a more equal partnership in facing the threats in the Atlantic adventure.
There could be fanfictions that deviate from the main plot of the Book of Atlantic and create an alternate universe. In this universe, Ciel and Sebastian might be in a modern - day setting, still dealing with the same themes of loyalty and revenge, but with a different backdrop. This can be really exciting as it gives a fresh take on the well - known characters.
There could be a fanfiction where Paula takes on a more active role in solving the mysteries that Ciel faces. Maybe she teams up with Sebastian secretly and uses her own unique skills, like her knowledge of the local area and its people, to help gather information. This would change the dynamics of the usual Black Butler story.
One interesting 'Black Butler Sebastian' fanfiction could be those that explore his past before becoming a demon. For example, there might be stories about his life as a human and what led him to make the pact that transformed him. Another type could be fanfictions that focus on his relationship with Ciel in alternate universes, like a modern - day setting where they have different dynamics. There are also fanfictions that give Sebastian more human - like emotions and struggles, which can be really engaging to read as it adds a new layer to his character.
One interesting Black Butler Beast fanfiction could be one that explores her backstory in more detail. Maybe it delves into how she became the way she is, her past experiences in the circus and how it shaped her personality. It could show her relationship with the other circus members in a new light, adding depth to her character that wasn't fully explored in the original work.
One interesting 'Black Butler Pluto' fanfiction could be one where Pluto has a more complex backstory. For example, it might explore his life before he became a demon hound. Maybe he was once a normal dog with a kind owner, but some tragic event led to his transformation. Another could be a fanfiction where Pluto has to choose between his loyalty to Sebastian and his own new - found sense of self.
One popular Black Butler Book of Circus fanfiction could be those that explore the backstories of the circus members in more depth. For example, there might be fanfictions that focus on Dagger's past before joining the circus and how it shaped his personality in the story.
Sebastian is often very popular. His demonic charm and loyalty to Ciel, despite his ulterior motives, make him a fascinating character to write about. Fanfiction writers can explore his internal struggles between his demonic nature and his growing attachment to Ciel.
You can start by looking on popular fanfiction websites such as Archive of Our Own (AO3). It has a large collection of fanfictions and you can search specifically for 'Black Butler Book of the Atlantic' to find relevant works.
There might be a fanfiction where a cat in heat is used as a symbol or a plot device. For example, it could be a part of a mystery that Ciel is trying to solve. The cat's behavior due to being in heat could lead to some unexpected clues or events in the story.
One sad Black Butler fanfiction could be about Ciel's inner turmoil. In many stories, the author delves deep into his past traumas and how they continue to haunt him. It shows his struggle to maintain his composure while facing new threats and the emotional toll it takes on him.