One common theme is power dynamics. Given Claude's nature as a demon and Alois' position as his master in a way, their relationship is full of power struggles. Another theme is obsession. Claude's often shown to have an obsessive nature towards Alois, and this is explored in many fics.
Love - in a very twisted and dark way - is also a theme. Their relationship isn't a typical love story, but it has elements of it. Dependency is another common one. Alois depends on Claude for various things, and this relationship of dependency is often dissected in the fanfiction. Also, revenge can be a theme as both characters have their own motives and grudges in the original story, and fanfiction writers may play with these elements in relation to their relationship.
Love and obsession are quite prevalent too. Given their intense connection in the source material, many fanfictions explore how their feelings for each other can range from a deep, passionate love to an all - consuming obsession. And sometimes, there's the theme of redemption, where they try to make up for past wrongs in their relationship.
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.
Common themes in such fanfiction are often centered around the unorthodox bond between Alois and Claude. There's the theme of the supernatural, given that Claude is a demon. This adds an element of the unknown to their relationship. Manipulation is another big theme. Both characters are prone to manipulating each other for their own ends. And there's also the theme of identity, as Alois' past and his current self, and Claude's true demonic identity all play into how they interact within the fanfiction.
One common theme is power struggle. Alois is often portrayed as trying to assert his power over Claude, while Claude, being a demon, has his own form of power that he wields in their relationship. Another theme is obsession. Claude's obsession with Alois' soul is a recurring idea.
Another theme is obsession. Alois is often depicted as being obsessed with Claude in some way, whether it's for protection or something more sinister. And Claude has his own reasons for being fixated on Alois. It's a very dark and twisted form of mutual obsession in many of these fanfics.
A major theme is the exploration of dark desires. In the 'Black Butler' universe, both Alois and Claude have their own dark sides. In the yaoi fanfiction, these dark sides are often intertwined. For example, Alois's thirst for revenge and Claude's inhumane nature can lead to some very intense and complex relationship dynamics. There's also the theme of sacrifice. Sometimes, one of them has to sacrifice something for the other, be it their pride, their freedom, or even their life in some extreme cases. This theme adds depth to their relationship and makes the fanfiction more engaging.
Yes, there are some out there. You can try searching on fanfiction websites like Archive of Our Own. Just type in 'alois x claude lemon' in the search bar and you'll likely find a variety of stories to explore.
One reason could be the complex relationship between Alois and Claude in the original source material. Their dynamic, full of power play and mystery, gives fanfiction writers a lot to explore in a yaoi context.
There's 'The Enigmatic Alois - Claude Connection'. This fanfic focuses on how Alois and Claude interact in different situations. It shows their power dynamics and how they gradually understand each other more. It has some really interesting plot twists that keep readers engaged.
The setting of the 'Black Butler' universe also plays a role. The dark and gothic backdrop of Victorian - era England adds to the mood. Fanfics use this setting to enhance the mystery and danger in the relationship between Alois and Claude. For instance, the dark alleys and grand mansions become the stage for their interactions.