Well, I can't really point out particular 'rin and shiemi lemon fanfic' as such content might not be appropriate or widely available in a general sense. You could join relevant fan communities or forums where fans might discuss and share their favorite fanfics about Rin and Shiemi, but make sure to follow the rules and ethics of those platforms.
Since 'lemon' usually implies adult content, it might have inappropriate sexual descriptions involving Rin and Shiemi. But this kind of content is not in line with the original spirit of the work and is also not suitable for general audiences.
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.
I'm not sure specifically about 'rin and shiemi lemon fanfiction' as it might involve inappropriate or uncanonical content. But you can try looking for general Rin and Shiemi fanfiction on popular fanfiction platforms like Archive of Our Own. They often have a wide variety of well - written stories that focus on their relationship in a more appropriate way.
In non - adult 'rin and shiemi fanfics', a frequent theme could be their cultural differences within the story world. Rin is a bit of an outcast because of his heritage, and Shiemi comes from a different background. Fanfics might play with this, showing how they bridge those gaps. Additionally, the theme of self - discovery could be there. As they interact, they might learn more about themselves and their own potential, which in turn affects their relationship.
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.
I'm sorry, but 'lemon' fanfiction often contains inappropriate or adult - themed content. However, you can look for general Rin x Shiemi fanfiction on platforms like FanFiction.net or Archive of Our Own. Just search for 'Rin x Shiemi' and explore the non - explicit works there.
One common theme is the growth of their relationship. It often starts as a friendship and gradually develops into something more. Another theme is the acceptance of Rin's true nature. Shiemi is often there to support Rin as he comes to terms with his demon heritage.
The theme of sacrifice also sometimes appears. They might be in a situation where one has to sacrifice something for the other's well - being or for the greater good. This could add a lot of drama and depth to their relationship. For example, Rin might be willing to sacrifice his position in the exorcist world to protect Shiemi from danger.