He could meet some Pokemon trainers. They might come looking for the lost Pokemon egg and Naruto would have to decide whether to give it back or keep it.
Naruto would probably be really excited. He'd be like 'Whoa! These creatures are so cool!' and would want to befriend them all right away. He might be especially drawn to the more energetic and spunky Pokemon like Charmander.
Well, Naruto might first be really confused about the strange Pokemon egg. He could try to figure out what it is and where it came from. Maybe he'd think it's some kind of new ninja tool at first.
Well, it could be really wild. Maybe Naruto is super confused at first, not understanding what this strange fanfiction is all about. He might try to figure out the relationship between the Pokemon characters in this yaoi context, which is completely foreign to him since he comes from his own ninja world.
Well, it could be a plot where Naruto is suddenly transported to the Pokemon world. He might team up with some Pokemon trainers, using his ninja skills to help them in battles. Maybe he'll befriend a Pikachu-like Pokemon that has similar spunk as he does.
At first, Naruto's eyes would widen in surprise. He'd pick up the fanfiction, not really knowing what he's getting into. As he starts to read, he'd be constantly muttering things like 'What the heck?' and 'This is so strange!'. He might try to find someone to explain it to him, but if no one could, he'd likely just shrug it off as something he doesn't need to understand.
One possible fanfiction could be about Kushina finding Naruto in a situation where he's lost in a forest. Maybe she uses her unique chakra sensing abilities to track him down. It could be a heartwarming story of a mother reuniting with her son.
One possible scenario in this fanfiction could be that Naruto discovers an ancient and mysterious shrine in the forest. The shrine might hold some sort of power or secret. Maybe it has a connection to the Sage of Six Paths. Naruto, being his curious self, would likely start to explore it. He might find strange markings or artifacts inside that he has never seen before.
Well, in a story like this, Harry might first be really surprised to find the Pokemon egg. He'd probably try to figure out what it is. Maybe he takes it to his friends, like Hermione and Ron, and they all start researching about it together. They could be confused because Pokemon eggs are not from their world. Then, as the story progresses, the egg might hatch and out comes a cute little Pokemon. Harry would then have to learn how to take care of it.