Obviously, Natsu himself would be one of the main characters. His parents, whose identities are likely to be revealed in the fanfiction. There could also be his friends, like Lucy, Gray and Erza. They might be there to support Natsu during this emotional encounter or play a role in helping him find his parents.
In the 'natsu meets his parents fanfiction', Natsu may initially be in shock when he meets them. His parents could look exactly like him or have some unique features. They might take him on a journey to a place that was important to their family. Along the way, Natsu could learn valuable lessons about family, love and self - discovery.
Well, Goku is a Saiyan, and Saiyans have a strong sense of family deep down, even if they don't always show it. When he meets his parents in this fanfiction, he could initially be in disbelief. But once he realizes it's real, he would embrace them wholeheartedly. He may even start to show off his strength and skills a bit, like a child showing off to his parents. And he would be excited to hear stories about their Saiyan race and how they ended up in the situations they did.
His friends from the guild could be important. For example, Happy might be there to share in the joy of Natsu meeting his mother. Happy could also provide some comical relief during the emotional encounter.
The fanfiction might start with Natsu's search for his mother. When they meet, there could be some initial shock or disbelief. His mother could look at him with great love and pride. They might have a long conversation about his life so far, his friends, and his adventures. She could also introduce him to parts of his heritage that he was previously unaware of, which could shape his future actions and decisions in the story.
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.
The plot could involve Sasuke accidentally stumbling upon a hidden dimension where his parents are alive. His father, being a powerful shinobi, would test Sasuke's skills at first. His mother would be the one to break the ice and bring them all together. They could share family stories and Sasuke could see how his parents' love for each other and for him was real. This encounter might lead Sasuke to think about restoring his clan in a more positive and peaceful way rather than through revenge.
The reunion could be a bit tense at first. Superman has changed a great deal since they last saw him as a baby. His parents might not immediately recognize the powerful hero he has become. But as they start to talk and Superman shares his story, they would become more comfortable and the reunion would turn into a warm and loving moment. They would start to catch up on all the years they missed.
Maybe in the fanfiction, Superman meets his parents through some time - traveling or interdimensional portal. His parents are brought to Earth. They are amazed by how their son has adapted to this new planet. They might help him understand more about his Kryptonian heritage and powers. For example, they could teach him some long - forgotten Kryptonian techniques that make him even more powerful in his fight for justice.
Well, it could be that Harry meets his parents in a special magical realm created just for them to reunite. His parents could show him some long - lost family magic that only their bloodline can use. And they might introduce Harry to relatives he never knew existed, which could change his perspective on his family history.