AO3 (Archive of Our Own) is another great platform. It has a tagging system which makes it easier to find sebastian michaelis x bardroy fanfic. You can search for specific tags like 'Sebastian Michaelis/Bardroy' and also use filters for things like rating, word count, etc. to narrow down your search to the kind of fic you're interested in.
You could start by looking on fanfiction.net. There are often a variety of fanfics in the Kuroshitsuji (Black Butler) section that might feature this pairing. Some popular ones are usually ranked higher, so they can be a good starting point.
The relationship in a sebastian michaelis x bardroy fanfic might also explore themes of loyalty and duty. Both characters are in service to the Phantomhive family in different ways. Sebastian's loyalty is a complex matter due to his demonic nature and ulterior motives, while Bardroy's loyalty is more straightforward. A fanfic could delve into how their different concepts of loyalty either clash or find common ground, perhaps when facing an external threat to the household.
There's 'A Dark Affinity'. This fanfiction takes a unique approach. It shows female Ciel's vulnerability and Sebastian's complex feelings towards her. The plot twists keep you on your toes, and the descriptions of their encounters are quite vivid.
One common theme is rivalry. Since both characters are quite powerful in their own right, many fanfics explore their competitive nature towards each other. They might compete for a certain goal or for the attention of another character.
A common theme is competition. Since they are both highly capable demons, they often compete for various things, such as souls or power. This competition can drive the plot forward and create a lot of tension in the fanfic.
One aspect to consider in this fanfic is the power dynamics between Sebastian Michaelis and Claude Faustus. They are both powerful demons, and their interactions are often filled with intrigue. In many fanfics, their relationship can range from bitter rivals to reluctant allies, depending on the plot and the author's interpretation.
Sebastian Michaelis x reader fanfiction often explores the relationship between the reader and the alluring Sebastian. It can range from romantic to platonic interactions. Some stories might focus on the mystery and charm that Sebastian has, while others could be about the reader getting caught up in the supernatural world he inhabits. It allows readers to insert themselves into the 'Black Butler' universe and have their own adventures with Sebastian.
Power dynamics is also a big theme. Sebastian is a powerful demon and Ciel is a young earl. The way they interact with each other in terms of who has the upper hand, and how that changes over time is often explored. For instance, in some fanfics, Ciel tries to gain more power over Sebastian, or Sebastian uses his power to protect Ciel in unexpected ways.
You can try searching on fanfiction websites like Archive of Our Own (AO3). It has a large collection of various fanfics, including those related to sebastian michaelis x claude. Just use the search function and type in the relevant tags.
Some of the top sebastian michaelis x reader fanfiction stories include 'Midnight with Sebastian'. In this story, the reader and Sebastian share a special moment under the moonlight. 'Sebastian's Gentle Touch' is another one that focuses on the softer side of Sebastian when he's with the reader. And 'A Dance with the Demon' is really good as it has a great description of their interactions during a ball, making it feel very immersive.
One possible fanfic could be about Sebastian falling in love with a human girl who is kind-hearted and brave. She might be a young noblewoman who is different from the typical spoiled aristocrats. Sebastian is initially intrigued by her uniqueness and as time passes, he starts to feel emotions he has never experienced before. Their relationship develops as they face various challenges together, like dealing with other demons who oppose their relationship or the strict social norms of the Victorian era.