One common theme is the exploration of their relationship's development. Since their characters have different natures in the original work, fanfics often focus on how they come to understand and care for each other.
A lot of fanfics focus on the idea of Amaimon protecting Shiemi in some way. Given his power and her relative vulnerability in some aspects, this makes for an interesting plot. Also, there are fanfics that deal with the theme of self - discovery for both characters. As they interact more, they learn more about themselves, especially in relation to their feelings for each other. This can be really fascinating as it delves deeper into their personalities than the original work might have.
Well, Tumblr can also be a good place to look for Amaimon and Shiemi fanfic. There are many fandom - related blogs that might share or recommend such fanfictions. Some fans create their own stories and post snippets or links on their Tumblr pages. You can also search Tumblr using relevant tags like #Amaimon #Shiemi #fanfic.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfics, and you can search for 'Amaimon x Shiemi' there. There are likely to be many different interpretations and styles of fanfics for you to explore.
One popular theme is the exploration of their contrasting personalities. Amaimon is this wild and somewhat unpredictable demon, while Shiemi is more innocent and gentle. Fanfictions often play with how they interact with their different natures.
You can try fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. These platforms often have a large collection of fanfictions for various fandoms, including Blue Exorcist. Just search for 'Blue Exorcist Amaimon x Shiemi' on the search bar of these sites.
I'm not sure if there is a specific 'rin and shiemi pregnant fanfic' out there. There are countless fanfics on the internet, and it might be difficult to find one with this exact theme. You could try searching on popular fanfic websites like Archive of Our Own or FanFiction.net.
The plot could start with Rin and Shiemi getting married. Soon after, Shiemi becomes pregnant. As the pregnancy progresses, they might have to deal with the fear of the unknown. Maybe there are threats from the demon world because a child of Rin's could be very powerful. They would then have to protect Shiemi and the unborn baby while also preparing for the new life that is coming.
I really like the fanfic 'Rin and Shiemi: A New Chapter'. It starts off with them going on a mission together. In this story, they have to rely on each other more than ever. It has some really cute moments where Rin tries to protect Shiemi in his own clumsy way, and Shiemi in turn helps Rin understand his powers better.
One great fanfic could be 'The Bond Beyond Worlds'. It delves deep into the relationship between Amaimon and Rin. The author beautifully portrays how their unique connection evolves over time, with Amaimon's mischievous nature clashing and yet also complementing Rin's more determined and righteous personality. It's filled with exciting adventures and some really heart - warming moments that fans of the pairing will surely enjoy.