Shikamaru, being the laid - back yet intelligent character, would probably analyze the fanfiction. He'd look at the strategies and plots in the stories. If they were too convoluted or illogical, he'd just shrug and think it's a waste of time. But if there were some smart ideas, he might give a little nod of approval.
Naruto would likely be excited. He loves his son so much that seeing different stories about Boruto would be like seeing different potential futures for him. He might even get some inspiration from the fanfiction to give Boruto some advice in real life.
He might be surprised. Some fanfictions can be really wild and different from what he knows, so he could be taken aback at first.
They could be shocked. Some might not expect the wild ideas that fans come up with in fanfiction.
Naruto would be thrilled. He loves being the center of attention and seeing all these stories about him would make him feel even more important. He'd probably want to meet the writers and tell them how cool he thinks their ideas are.
They could have a range of reactions. Naruto would likely be excited and eager to see new stories about his world. He loves adventures and would be interested in seeing different takes on his life.
Hinata would be completely devastated. She has always been deeply in love with Naruto, and his sacrifice would leave her heartbroken. She would still be strong for Boruto, though, and try to support him in any way she could.
Well, Naruto would be in a really tough spot. He loves his family and the village, and this situation would be a huge blow to his traditional values. He might struggle to understand how this happened between his son and Hinata. Hinata's family, on the other hand, would be protective of her. Her father would want to ensure that Boruto is taking responsibility. Boruto's friends would also be surprised. Some might be supportive, like Shikadai, who would try to see the good in the situation, while others might distance themselves at first, not sure how to handle this new and rather strange development.
Boruto's reaction would be complex. He'd be heartbroken, for sure. He might start to question his own worth and purpose. But over time, he'd realize that he has to carry on Naruto's legacy. He'd become more serious and focused. He'd also become more empathetic towards others, understanding the weight of sacrifice. He might even start to study Naruto's techniques and leadership style more closely, trying to emulate the things that made Naruto such a great Hokage and hero.
They may find it funny. There are often humorous fanfictions that could make them laugh.
He might be entertained. The abridged versions often have humor and can make light of serious situations in the original Naruto story.
He might be really excited. Naruto loves new and exciting things, and the multiverse fanfiction would be full of that.