One possible plot could be that Naruto returns to his family after a long and dangerous mission. He finds that his family has grown and changed in his absence. His children might be having difficulties in their ninja training, and Naruto uses his experiences to guide them. He also reconnects with his wife, sharing stories of his adventures and strengthening their bond.
Obviously, Naruto himself would be one of the main characters. His wife, for example Hinata, would also be a main character as she is part of his family. And their children, like Boruto and Himawari, would surely play important roles too.
In the 'naruto family returns fanfiction', it could be that Naruto's family returns to the village during a time of celebration, like a big festival. But they soon find out that there are some underlying issues in the village, such as political unrest or a new group of villains secretly operating. Naruto then decides to use his influence and his family's combined strength to solve these problems and bring peace back to the Hidden Leaf. He might also use this opportunity to teach his children about the importance of protecting their home and the values of the ninja way.
He would most likely meet his father, Minato Namikaze, and his mother, Kushina Uzumaki. These are the two main family members he never really got to know growing up.
In this fanfiction, the Naruto family might be welcomed back with great joy. The villagers could hold a big celebration to honor their return. Naruto, as a hero, would finally be home with his family in Konoha, and his kids might start exploring the village that their father has so many memories of.
Naruto is definitely one of the main characters. He is the key figure in the Naruto universe. His family, which includes Hinata, Boruto, and Himawari, are also likely to be main characters. Boruto, with his own dreams and potential, might be facing some internal or external conflicts. Himawari, being the younger one, could be used to show the family's protective side. And of course, other characters from the original series like Sasuke might also make appearances, as he is Naruto's best friend and they have a deep connection.
In this fanfiction, Naruto might finally have an emotional reunion with his parents. He could share all his adventures, growth, and the pain he endured. They would likely be proud of how he became a great ninja.
Perhaps Naruto returns to find his former world in chaos under the rule of a tyrant. Remembering the pain and suffering he endured there, he decides to take revenge by overthrowing the tyrant. He uses his ninja skills and his ability to inspire others to build a resistance.
In this fanfiction, Naruto might reunite with his old friends and sensei. He could show off new jutsus he learned during his time away. Maybe he'd also face new threats to his realm that only he can defeat with his unique skills and experiences.
It could be Sakura. She has been Naruto's friend for a long time. She would be excited to see him return. They might share a heartfelt reunion, and Sakura could tell Naruto about the medical advancements in the realm while also asking about his adventures away.