There may be such fanfictions in the vast realm of fan - created works, but this is a rather controversial and non - canon concept. In the original "Inuyasha" series, their relationship is more of a guardian - ward type, and such a plot goes against the original tone and many fans' perception of the characters.
One common theme could be the exploration of Sesshomaru's character development. How he, who was once a cold and aloof demon, would adapt to the idea of becoming a father. Another theme might be the changes in Rin's relationship with Sesshomaru and the others around them. For example, how would the other characters in their world react to this new development.
Yes, there are some fanfictions on this topic. However, this concept can be controversial as in the original series their relationship is more of a guardian - ward type. Some fanfiction writers explore this idea in creative ways, often imagining different storylines and character developments that could lead to such a situation.
In the original story, their relationship is more of a guardian - ward type. A fanfic about them being pregnant goes against the nature of their relationship in the source material. It can be seen as inappropriate as it distorts the intended dynamic between the two characters.
One common theme is growth. Rin's growth from a child to a young woman and how that affects her relationship with Sesshomaru. Another theme is protection. Sesshomaru's role in protecting Rin is often a central focus.
If such a fanfiction exists, it would likely cause a great deal of controversy. It goes against the traditional relationship dynamic between them in the original work. Many fans who cherish the original relationship of Sesshomaru as Rin's protector would be dismayed.
Well, it depends on the specific fanfiction. Some authors might choose to include a kiss between Sesshomaru and Rin as a way to show the development of their relationship. But not all fanfictions will have this. There are many fanfictions that focus more on their platonic bond or other aspects of their characters. For example, some might explore Sesshomaru's growth as a character through his interactions with Rin without getting into a romantic kiss.
Well, some fanfics focus on the cultural differences between them. Sesshomaru is from a demon world with its own set of rules and values, while Rin is a human from a simple village. This can create interesting stories as they try to understand each other better. Also, the theme of protection is quite common. Sesshomaru's role as Rin's protector and how that affects their relationship is often explored.
Sesshomaru's personality in these fanfics can be shown as a complex mix. He is still the powerful and fearsome demon, but his love for Rin makes him more vulnerable. He may hide his emotions most of the time, but there are moments when his concern for Rin slips through. As for Rin, she is portrayed as a ray of sunshine in Sesshomaru's rather dark world. She is curious, brave in her own way, and her love for Sesshomaru gives her the strength to face many difficulties. She might even be the one to make Sesshomaru see the good in the human world more often.
One possible plotline could be a magical or divine intervention that causes an unexpected pregnancy - like a spell gone wrong. This way, it doesn't rely on a normal romantic or sexual relationship between them. Another could be a future - set story where Rin has grown up and they develop a new relationship over time that leads to pregnancy.