What are the common themes in 'ciel has a sister fanfic'?

A common theme is family loyalty. The sister is often portrayed as being extremely loyal to Ciel and the Phantomhive family. She will go to great lengths to protect their reputation and their lives.

Adventure is also a frequent theme. They might embark on a journey, whether it's through a magical land or a dangerous city. This allows for a lot of character growth and exploration of their relationship. Also, loyalty is a theme that pops up. It shows how they stay loyal to each other through tough times in the fanfic storylines.

Another theme is the power dynamic between them. Ciel is the master, but Sebastian has his own power. Fanfics play with this dynamic, sometimes showing Ciel trying to assert more control or Sebastian subtly influencing Ciel. For example, in some fanfics, Ciel may try to break free from Sebastian's influence while still relying on him. It makes for very interesting reads.

One common theme is rivalry. Ciel and Alois are often pitted against each other in these fanfics, competing for power, status or just simple dominance.

A common theme is friendship. Many fanfics focus on how Ciel and Chamoisee become friends and how that friendship evolves. For example, they might start off as strangers and gradually learn to trust each other.

One common theme is mystery. Given Abberline's detective role and Ciel's often secretive nature, fanfics tend to explore the mysteries around them. For example, they might be trying to solve a crime together or figure out a mystery related to Ciel's family.

There's also the theme of friendship in some fanfics. Despite their differences, some stories show them gradually becoming friends. This usually involves them learning to understand and accept each other's past traumas and current motives, which is a very interesting and heartwarming take on their relationship.

In Ciel x Pluto fanfics, a frequent theme is protection. Since Ciel is in a rather dangerous world, Pluto's role in protecting him can be a central part of the story. Also, the theme of mystery might come up. Pluto has his own mysteries, and how Ciel deals with those or tries to uncover them can be an interesting plot in the fanfics. There could also be themes related to power dynamics, as Ciel has a certain power over Pluto, and this can be played with in different ways in the stories.

Another theme is the power dynamic. Ciel is a young noble with his own kind of power, while Undertaker is a very powerful and somewhat otherworldly figure. Fanfics play with how their different levels of power interact and influence their relationship. For example, sometimes Ciel tries to assert his authority over Undertaker, but Undertaker has his own ways of getting what he wants.

Well, the theme of vulnerability is quite common. Ciel, despite his strong - willed exterior, is shown to be vulnerable when hurt. This is usually contrasted with the comfort he receives, which might come from unexpected sources. Also, the theme of trust is there. When Ciel is in a hurt state, he has to trust those who are trying to comfort him, which can be a big step for his character. Additionally, the theme of healing is central. It's about how he overcomes the pain through the comfort provided.