In the 'naruto gets high fanfiction', it could be that Naruto is exposed to a genjutsu that makes him feel 'high'. He might struggle to break free from it at first. As he tries to escape, he discovers new aspects of his own mental strength and also learns more about the nature of genjutsu. This experience could then make him a stronger ninja in the long run.
Another storyline could involve a sports competition at Konoha High. Naruto and his friends form a team for a ninja - themed sport, like a version of capture the flag. They face challenges not only from rival teams but also from internal team conflicts, like Sasuke's initial reluctance to fully cooperate.
Some fanfictions might explore the idea of the characters having different clubs in high school. For instance, Naruto could start a ramen - eating club, which is actually a front for a secret ninja training club. Sakura might be in the medical club, learning advanced first - aid techniques that are also useful in ninja battles. And then there could be a big mystery in the school, like someone is using forbidden jutsu on other students, and the main characters have to figure out who it is while also dealing with their normal high school problems like exams and relationships.
One interesting storyline could be that Naruto and his friends are transported to the Monster High world. They could team up with the Monster High characters to face a common threat. For example, a powerful demon that is causing chaos in both the Ninja world and the Monster High world. Another could be a cultural exchange where Naruto shows the Monster High students his ninja skills and they in turn show him their unique monster abilities.
One interesting storyline could be about Naruto forming an unlikely friendship with a shy and studious character at the ninja high school. They help each other grow, Naruto teaching the other about courage and the shy character helping Naruto with his studies.
Another storyline is the challenges they face as a newlywed couple. Maybe there are threats from old enemies who want to disrupt their new - found happiness. Or it could be internal struggles, like Naruto's struggle to balance his duties as a ninja and his role as a husband.
One interesting storyline could be the characters facing unexpected challenges in keeping their secrets. For example, a character might accidentally leave a clue that could expose their situation. Another could be a new character entering the story and causing chaos in the already precarious situation of the main characters.
One potential storyline could be Naruto having to re - experience his early life with his new - found child self's perspective. He might struggle with the lack of strength he once had as an adult. For example, he could have trouble with basic ninja training again, but this time with the knowledge of his future self, which could lead to some interesting twists. Another could be how his relationships change. His friends might initially not recognize him and he has to prove his identity in a rather comical way. And also, the villains might underestimate him as a child, which could be a great advantage for Naruto to outwit them.
One possible storyline could be Deku dealing with the physical and emotional changes while still trying to be a hero. He might have to hide his condition from his enemies to protect himself and his unborn child.
One alternate storyline could be that Naruto is taken in by someone unexpected, like a group of outcast ninjas. They teach him different values and skills, leading to a Naruto who has a more unorthodox approach to being a ninja. Another could be that Naruto, in his search for answers about why Kushina abandoned him, discovers a dark secret about his family that changes his entire perspective on the ninja world.
Well, he might get a chakra - enhanced katana. It could be really cool as it can cut through almost anything with the added chakra power.