Next, Naruto might meet new allies. He could encounter other ninjas who have also had run - ins with their families. They could form a group and train together, becoming stronger and more independent from their families.
Kushina would likely be very worried and start a search for Naruto. She might enlist the help of Naruto's friends like Sasuke or Sakura. During the search, they could discover new things about Naruto's past or his true potential. And when they finally find him, there could be an emotional reunion or a big argument depending on how the story is developed.
In a Naruto fanfic where Naruto runs away from Kushina, it could be due to various reasons. Maybe he feels misunderstood. For example, Kushina might be too strict with him in the fanfic's storyline, not allowing him to pursue his own ninja way freely, so he decides to run away to find his own path and prove himself.
He might meet an old hermit who teaches him a unique and powerful jutsu that his family never knew. This new jutsu gives him an edge and also makes him more confident in his abilities. He could then use this newfound power to help those in need, all while staying away from his family.
Well, he might encounter some unique Kiri ninjas. Maybe he'll meet someone who becomes his unexpected ally. For example, a young and idealistic Kiri ninja who is also a bit of an outcast in their village. They could bond over their shared feelings of not fully fitting in.
Well, Naruto might run away with Itachi's ideals or some memento of Itachi. Maybe he uses it to become stronger and face new enemies. He could also be on a journey to uncover more secrets about Itachi that no one else knows.
He might face many challenges on his way. In the desert, he could struggle with the harsh environment, like finding water and shelter. Also, he may encounter some Sand Ninja who might be suspicious of him. Maybe he'll meet Gaara and they'll form an unexpected bond, as they both have had difficult childhoods.
Perhaps he'll find a hidden place where he discovers ancient jutsu. This could be a turning point for him to become stronger on his own terms, away from the neglect of his family.
He might meet a rare Pokémon that no one has ever seen before. This Pokémon could become his new partner and help him in a new way of battling.
Perhaps Naruto feels that Kushina is being overprotective. He wants to prove his independence and go on his own adventures without her constant supervision, so he decides to run away.
She could run into some trouble. Since she's on her own, she might get lost in the jungle outside the Encanto. Without the protection of the family's magic, she has to fend for herself. But this could also be a chance for her to grow stronger. She might find a small village where she starts to learn new skills, like farming or making clothes. Eventually, she could return to the Encanto with a new perspective and newfound abilities.
Perhaps she discovers a hidden power within herself while on the run. This new - found power could be the key to her solving the problems that made her run away in the first place. It could also attract the attention of both friends and foes, adding more drama to the story.