Growth and potential. These fanfics usually show baby Sasuke having some signs of his future great power, like early hints of his Sharingan abilities. It's about his journey from being a baby with potential to the great ninja he will become. Well, in a lot of these fanfics, the relationship between Sasuke and Naruto also gets an interesting start. Maybe they meet as babies or toddlers, and there's some sort of connection or foreshadowing of their future rivalry and friendship.
Another theme is the Uchiha clan's legacy. As a baby Sasuke is part of this important clan. Fanfics may explore how the clan's traditions, secrets and the burden of its past are already starting to shape him even at a very young age. For instance, how the stories of the Uchiha's Sharingan are told to him as a baby, and how that affects his perception of his own power.
One common theme is innocence. Since it's about baby Sasuke, it often shows his pure and innocent state before all the tragedies. Another theme is family bonds, especially with his parents and brother.
One common theme is family. Since it's about Naruto and Sasuke's babies, it often focuses on how they raise their children and the family values they pass on. Another theme is the continuation of their friendship/rivalry. Their relationship is so iconic that it often plays a role in the stories of their children.
Themes like loyalty are very frequent. Naruto's unwavering loyalty to Sasuke and vice versa is often explored. Family also plays a part. Given their complex family backgrounds, fanfics may touch on how they create a new kind of family with each other. And of course, the theme of rivalry - how they keep pushing each other to be better, even when they become friends.
One common theme is friendship. Their bond is often explored, from how it started to how it endures through all the difficulties they face.
Well, protection is a very common theme. Given the dangerous world they live in, Naruto and Sasuke are constantly trying to protect their baby from all kinds of threats. Also, the theme of growth is present. As the baby grows, it also affects the growth of Naruto and Sasuke's relationship, making them more mature and responsible.
Protection is also a big theme. Naruto is always protecting Sasuke in these stories, whether from external threats or from Sasuke's own inner demons. It's like Naruto is a shield for Sasuke. And friendship is there too. Even though Naruto is in a father - like role, the essence of their friendship from the original story is still there, just in a different form.
Another theme is his potential as a ninja even as a baby. Fanfics often explore how his natural talents start to show early on, like his strong will and determination that are already evident in his infancy. They might also show how some of the villagers start to notice these things. For example, in some fanfics, an old ninja might see Naruto's determination when he tries to crawl towards something and realizes he has the makings of a great ninja.
One common theme is the exploration of their deep - seated emotional bond. In many fanfics, the kiss is a physical manifestation of the intense connection they've had since childhood, which was often masked by their rivalry.
One of the main themes is the exploration of new abilities. The fusion gives birth to abilities that neither Naruto nor Sasuke had alone. Another theme is the concept of balance. Their fusion has to balance Naruto's more optimistic and friendly nature with Sasuke's more brooding and goal - focused nature. And the theme of hope can be seen, as their fusion might be the hope for the ninja world to face a certain doom.
One common theme is rivalry. The bullying can be seen as an extreme form of their rivalry. Another theme could be redemption, where Sasuke realizes his wrongdoings and tries to make amends.