The popularity of 'gravitation yuki x shuichi fanfiction' lies in the complex relationship between Yuki and Shuichi. Their personalities are so different, yet they complement each other in many ways.
Well, the original 'Gravitation' story has a huge fan base already. Fans love to explore different scenarios and further develop the relationship between Yuki and Shuichi in fanfiction. It gives them a chance to see their favorite characters in new and exciting situations that the original might not have covered.
There's also 'Yuki and Shuichi: A New Chapter'. This fanfiction takes an interesting turn by placing them in a different setting, like a small town away from their usual city life. It gives a fresh perspective on their relationship.
The unique relationship between Shinjin and Yuki can be a big draw. Their personalities, if well - written in the fanfiction, can create interesting dynamics. For example, if Shinjin is portrayed as a mysterious character and Yuki as a more outgoing one, their interactions can be full of surprises.
The theme of support is very prevalent. They support each other's dreams and goals in many fanfictions. Whether it's Yuki encouraging Shuichi's artistic pursuits or Shuichi being there for Yuki during tough times. Additionally, the theme of discovery - both of themselves and of their relationship - is often a part of these stories. It's like they are on a journey of self - discovery while also falling in love with each other.
You can try searching on fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. These platforms usually have a wide range of fanfictions, and you might be able to find the Gravitation Shinjin x Yuki fanfiction there.
In the context of Gravitation, if there were such fanfiction, perhaps themes related to how Shuichi's career as a singer might be affected by the pregnancy could be explored. Also, the support or lack thereof from his friends and family in the story's universe could be a theme. Another aspect could be how his partner (if applicable in the fanfiction) copes with the situation and their joint future planning.
One common theme could be the exploration of their relationship dynamics. It might involve how they overcome obstacles in their relationship.
The popularity might also stem from the fact that it offers a different perspective on the Jaden Yuki character. In the original series, his relationships are more platonic. But in these fanfictions, it delves into a romantic realm. The 'x reader' format makes it very inclusive for fans. They can put themselves in the story and experience a relationship with Jaden in a fictional but exciting way. The 'lemon' part, while it can be a bit more risqué, is also a draw for some fans who like that added touch of spice in their fictional relationships.
One popular 'yuki x shuichi lemon fanfiction' might be 'A Shared Dream'. It delves into their relationship in a really sweet and somewhat steamy way. The author does a great job of building the tension between the two characters.
Often, the theme of support is present. They support each other through difficult times. It could be Yuki helping fem Shuichi deal with family problems, or vice versa. Additionally, the theme of growth is there. As their relationship progresses, both characters grow as individuals, becoming more confident, more understanding, and more empathetic towards each other and the world around them.
I'm sorry, I'm not aware of specific 'gravitation shuichi pregnant' fanfiction. You can try searching on fanfiction - specific websites like Archive of Our Own or FanFiction.net.