Naruto could also be a bit critical. He knows the ninja world so well that if there are inaccuracies in the fanfiction, like wrong information about chakra or ninja ranks, he might shake his head and think 'That's not how it really is.' But overall, he would probably enjoy the story for its creativity.
Well, in 'naruto gutsy ninja fanfiction', one common theme is friendship. Naruto's relationships with his comrades play a big role. They support each other through tough times. Also, the theme of redemption can be seen. Characters might be given a chance to make up for their past mistakes. And of course, the idea of perseverance is there. Naruto doesn't give up easily, and that's often emphasized in these fanfictions. For example, in some stories, he faces seemingly impossible odds but still keeps fighting because of his gutsy nature.
Sakura would probably tease Naruto a little bit. She might say something like 'Naruto, you're such a dork for reading that fanfiction.' But then she would also be interested in what it's about and might ask Naruto to tell her some of the cool parts.
One interesting storyline could be a new adventure where Naruto discovers a hidden village with unique ninjutsu techniques. This would add a fresh element to his growth as a ninja.
One great 'naruto gutsy ninja fanfiction' is 'The Gutsy Path of Naruto'. It focuses on Naruto's journey with some unique twists on his training and relationships. Another one could be 'Gutsy Ninja: New Beginnings' which shows Naruto in a different light as he faces new challenges in the ninja world.
Well, they might find it quite an interesting and different form of entertainment. Olympians are used to the world of sports and competition, but Naruto fanfic offers a whole new universe of ninja adventures, complex characters and unique storylines. It could be a refreshing break from their intense training and competition schedules.
Sasuke is also quite popular. In fanfic, he can be developed in new ways, such as forming different relationships or having unique battles. His complex character provides a lot of material for fanfic writers to play with.
Some RWBY characters might be amused while reading fanfiction. For example, Ruby could find the creative interpretations of her adventures really interesting. She might enjoy seeing how fans envision her growth in different scenarios.
He might be really surprised. He could find it strange to see different versions of his own story and the people around him in the fanfiction.
He might be really amazed. He'd see different versions of his world and himself, which could make him think about his own life and choices in a whole new light.
Naruto might feel a bit of nostalgia. He would see elements of his own past and how the new generation, like Boruto, is being portrayed in these fictional stories. He could also be proud to see how much his son has inspired fans to write so many different stories.