One possible storyline could be that Naruto has been having trouble seeing during his missions. Maybe he starts missing his targets or misjudging distances. His friends notice this and convince him to see an eye doctor. He gets glasses and at first is self - conscious about how he looks. But then he realizes that with his glasses, he can perform even better in battle and training, and it becomes a part of his new look.
Well, perhaps in the fanfic, Naruto gets hit by a jutsu during a fight that temporarily affects his vision. As a result, he has to wear glasses to correct it. This could lead to some humorous moments, like when he tries to do his signature moves but his glasses keep getting in the way. He might also have to deal with some of his rivals making fun of him, but in the end, he shows them that having glasses doesn't make him any less of a ninja.
In a fanfiction, Naruto might get cursed by an enemy and as a side - effect, his vision gets blurry. Tsunade then sends him to the best medical - nin in the village who diagnoses him with the need for glasses. Naruto could then struggle with how the glasses affect his ninja - image. But as he starts training with them, he discovers new ways to use his jutsus more effectively. For example, he might use the reflection on his glasses to blind an opponent momentarily.
One possible storyline could be that Naruto wears glasses as a disguise while on a secret mission. He might be infiltrating an enemy organization where his usual look is well - known, so the glasses help him blend in. Maybe he also uses them to give off a more studious or intellectual appearance to gain the trust of certain targets.
In many fanfictions, Harry Potter's glasses play an important role. Some might explore how his need for glasses affects his magical abilities. For example, a fanfic could have a plot where a spell goes wrong because his glasses were broken, leading to a series of comical or dangerous situations. It could also be a part of his identity in the fanfic world, like other characters recognizing him mainly by his glasses.
One possible storyline could be Naruto teaching kunoichi new combat techniques. He might share his unique ninja skills, like the Rasengan, and how to adapt it for their own fighting styles. For example, he could show them how to combine it with their elemental jutsu if they have any.
One possible storyline could be that Naruto is born with red hair due to some sort of genetic mutation or a hidden family trait. This could lead to him being ostracized in the village at first as he looks different from the norm. But then he uses this unique feature to his advantage, perhaps by standing out more in combat or in his ninja training, as his red hair makes him more recognizable and intimidating.
Perhaps in an alternate universe fanfic, there could be a situation where a powerful jutsu backfires on Naruto and Minato. This jutsu could have some unforeseen side effects that cause a sort of spiritual or chakra - related pregnancy. They would need to search for a way to reverse it, but during the process, they learn more about each other and their bond as father - son in this strange new context.
Maybe she got injured during an adventure, like a fall while climbing a cliff in the fictional world. This would be a common reason for her to need medical attention.
One possible storyline could be that Naruto somehow ends up in Mizore's world. Maybe through a strange jutsu gone wrong. He could then use his ninja skills to help Mizore in her own adventures, like fighting off some new threat that her world is facing.
Perhaps in this fanfiction, Naruto is in a wheelchair because of a curse or some kind of poison. His friends rally around him to find a cure. Meanwhile, he discovers new aspects of his ninja way, like focusing on mental strength and strategy more. He might also have to face some villains who underestimate him because of his disability.
Another storyline could involve Pakura being reincarnated and Naruto has to protect her from those who want to use her power for evil. Along the way, they develop a deep friendship as Naruto helps her understand the modern ninja world and she in turn helps him with his battles using her combat experience.