Well, it can be really interesting. Fanfiction about Snape's memories allows us to explore his character in more depth. We get to see different interpretations of his complex past, his love for Lily, and his role in the wizarding world. Some fanfictions might focus on how other characters react to his memories, which can add new layers to the existing story.
Naruto is devastated. He feels a huge void in his heart. Jiraiya was the one who believed in him from the start, and his death makes Naruto question a lot of things. He might even start to doubt his own strength for a while.
His closest friends like Sakura and Shikamaru would be very interested. Sakura, as she has been through a lot with Naruto and always cared about his well - being. Shikamaru, because he is intelligent and would want to understand Naruto's motives and past experiences better to strategize better in future situations.
Well, the fanfiction could explore it in a very emotional way. Minato's memories might be filled with his hopes and dreams for Naruto. As Naruto delves into these memories, he could find out about the sacrifices Minato made for the village and for him. This would not only strengthen Naruto's bond with his father's legacy but also fuel his determination to protect the village and fulfill Minato's unfulfilled wishes.
I'm not sure of specific titles off - hand, but you can start by looking on popular fanfiction websites like Archive of Our Own. Just search for 'reaction to snape memories' and you'll likely find a variety. Look for ones with high ratings and lots of reviews as they tend to be better quality.
Naruto would be devastated. He has always idolized his father, so being betrayed by him would shatter his world. At first, he might be in denial, not wanting to believe that Minato could do such a thing.
He might be really surprised. Some fanfictions could show him in situations he never thought of, like different kinds of friendships or battles. He'd probably be curious about how fans see him and his world.
Fanfiction about Madara's memories can also focus on his relationship with Hashirama. We often see in these stories how their friendship was initially pure but then got torn apart by the political situation. This can give us new perspectives on the whole ninja world's history and how the two most powerful shinobi of their time had different views on peace.