A fanfic that stands out is 'Boruto's Path to Hokage'. It imagines Boruto's journey to becoming the Hokage in a very unique way. It includes elements from both Naruto's and Boruto's eras, like new villains inspired by the past ones and the development of new jutsu. The story also focuses on Boruto's relationships with his family and friends, which adds a lot of depth.
As of now, Naruto and Sasuke haven't died in the Boruto manga. Their characters continue to play significant roles and contribute to the story's development.
Archive of Our Own (AO3) is also a great place. It has some really well - written 'naruto y boruto fanfic'. The search function is quite good, allowing you to filter by various criteria such as genre, length, and character focus. Many of the fanfics there have in - depth character analysis and unique storylines.
Boruto's character development could be a complex journey. At first, he may feel overshadowed by his parents' fame and power. This could lead to him acting out or trying to prove himself in the wrong ways. However, as he experiences more of the ninja world and faces challenges, he starts to understand the true meaning of his parents' actions. He might develop a more empathetic side, seeing things from the perspective of others, especially those affected by Naruto and Sasuke's past actions. He also grows in terms of his combat skills, learning from both his father's brute force and Sasuke's finesse. His character arc could be about finding his own identity within the context of his parents' great reputations.
Sasuke often appears in different story arcs of the Boruto manga, depending on the current plot and mission. Sometimes he's on a solo mission, sometimes he's involved in events related to the village.
Naruto is likely to be popular too. Even though it's a Boruto x Sasuke fanfic, Naruto's relationship with both of them is so important. He could play a role in supporting them from the sidelines or even getting involved in a crucial part of the story.