Well, first of all, Naruto would be in shock. But then he would feel an indescribable joy. His father, Minato, could teach him some new and powerful jutsu that only the Fourth Hokage knew. And his mother, Kushina, would probably smother him with hugs and tell him how proud she is of him. They could also help Naruto understand his Uzumaki heritage better.
Well, in the 'Goku reunites with his parents fanfiction', it could start with a sudden appearance of his parents. They might come back through some kind of time - space rift or a special wish on the Dragon Balls. Once reunited, Goku's parents would surely be proud of him. They might help him face a new and powerful enemy that Goku alone couldn't defeat. And there would be a great family dynamic, with hugs and tears all around.
In this kind of fanfiction, Naruto might experience a very emotional moment. He could finally get to know his mother better. Kushina would probably embrace Naruto tightly, telling him how much she has missed him all these years. Maybe she would share some of the Uzumaki clan's secrets with him that no one else knew.
In a fanfiction where Naruto fights his parents, it could be a really emotional and complex situation. Maybe it's a result of some sort of mind - control or misunderstanding. Naruto, being a strong - willed character, would likely hold back at first, not wanting to harm them. His parents, on the other hand, might be acting out of some forced obligation or false belief. It could lead to a battle that ultimately ends with Naruto finding a way to break whatever spell or falsehood is causing the rift, and they'd have a tearful reunion.
In the 'naruto meets his parents fanfiction', Naruto would experience a whole new level of family connection. His parents could introduce him to the family traditions that he was never aware of. For example, there might be a special jutsu passed down in the family that his father would start to teach him. His mother would share stories about their family life before he was born. They could also have a discussion about Naruto's friends, like Sasuke and Sakura. His parents would encourage him to cherish his friendships and work together with his friends to face the challenges in the ninja world. This encounter would not only fill the void in Naruto's heart but also give him more motivation and strength to move forward in his life as a ninja.
If Naruto meets his parents in fanfiction, one possibility is that they would be able to train him in ways that no one else could. Minato could teach Naruto advanced ninjutsu techniques, especially those related to the Flying Thunder God Technique. Kushina could help Naruto better control the Nine - Tails' chakra, as she was once its jinchuriki too. This meeting could also give Naruto a sense of belonging that he has always craved.
In this kind of fanfiction, Naruto might first be in shock. He has grown up without his family for so long. He could break down in tears of joy when he sees his father and mother. They would probably embrace tightly. His father might share some of the family's secrets or jutsu with him that were passed down. And Naruto would finally feel complete, having the family love he always longed for.
It might develop by Naruto exploring his family's past through his parents' memories. They could show him places important to the Uzumaki clan that he never knew about. Also, Naruto could introduce his parents to his friends, like Sasuke and Sakura, and there would be some really heart - warming interactions.
Well, if we look at the 'Naruto gets his parents back fanfiction', Naruto's character development might take a different turn. Instead of relying solely on his friends and mentors like Iruka and Kakashi, he'd have his parents' direct guidance. His father, Minato, could train him in advanced ninjutsu. His mother, Kushina, could give him all the motherly love and care he was deprived of. This would likely make Naruto more confident and perhaps a bit more relaxed as he wouldn't have that deep - seated longing for family anymore.
He would probably be more at peace with himself. Knowing his parents' memories means he'd understand their sacrifices better. This could lead to him having a different attitude towards the village. Maybe he'd be more diplomatic in his interactions, like his father. And with his mother's spunk in his memories, he could be even bolder in battles.
In such a fanfiction, there could be a lot of emotional moments. Maybe they would initially be in shock. They might share stories about their separate lives. For example, Harry could tell his sibling about his adventures at Hogwarts, the friends he made like Ron and Hermione, and the battles he fought against Voldemort. His sibling could in turn share about their own experiences growing up away from Harry. There could also be a sense of instant connection and a feeling of finally having family that truly understands them.