Perhaps a plot where female Naruto discovers new aspects of her chakra because of her changed gender. This could lead to the development of new jutsus. Also, her interactions with the male characters in the village could change. They might be more protective or have different levels of respect for her, which in turn could drive the story in various directions, such as her having to prove herself even more in battles.
One interesting plotline could be Naruto, as a female, having to deal with different expectations in the ninja world. For example, she might face more challenges in being taken seriously as a strong fighter compared to when she was male. She could also form unique relationships with other characters, like a different kind of friendship with Sasuke or a new dynamic with Sakura.
In some 'naruto turns female fanfiction', the story could revolve around her experiencing the ninja world from a female perspective in terms of fashion and appearance. She might start to influence the way female ninjas are perceived in the village. For instance, she could introduce new styles of combat gear for women, while also still maintaining her tough and determined nature to become Hokage, but with a different flavor due to her femininity.
One possible plotline could be Naruto, as a girl, having to deal with the different expectations of the ninja world. For example, she might face more challenges in being taken seriously as a strong ninja. Another could be her relationships with other characters changing. Her male friends might start to see her in a new light, leading to some interesting friendship or even romantic developments.
Well, a cool plotline could be Naruto using her new female form to her advantage in missions. Maybe she can infiltrate places more easily as a girl. Also, there could be a plot where Naruto has to hide the fact that she was once a boy from some new characters she meets. This could lead to some really funny or tense situations as she tries to keep her secret while still being herself.
One possible plotline could be that Harry is influenced by a dark artifact. For example, he discovers a cursed object that slowly corrupts his mind, making him turn against his friends. He might start to use dark magic to achieve his goals, believing that the end justifies the means.
Well, in some fanfictions of this kind, Izuku as a girl might discover new aspects of her Quirk. Since the physical change could potentially affect how she uses her power. Also, there could be a plotline where she has to deal with romantic interests in a new way. As a girl, she might attract different kinds of attention from her male classmates, and she has to navigate through those new feelings and situations.
Well, in some 'Buffy turns into a vampire' fanfiction, there could be a plot where Buffy has to deal with the rejection of her friends at first. But then they realize that she's still Buffy deep down. Also, she could team up with some vampires who oppose the more evil ones, using her new vampire abilities for good in a way that no one expected.
Perhaps there could be a plot where Luffy, as a girl, has to use different strategies in battles. Since the opponents might underestimate a female opponent, Luffy could use this to her advantage and surprise them with her strength. This would also show a different side of Luffy's combat intelligence.
One possible plotline could be her struggles in balancing her ninja duties with motherhood. For example, she might have to go on a dangerous mission while her child is sick at home, creating an internal conflict between her role as a mother and her role as a protector of the village.
One possible plotline could be Harry struggling to control his new veela - like charm powers and accidentally causing chaos at Hogwarts. For example, he might make his classmates act strangely around him, much to the confusion of his friends.
Well, perhaps a plotline could involve Sasuke turning into a girl and using this new form to his advantage in some undercover mission. He could infiltrate an enemy group more easily as a girl. Also, there could be a love triangle where some of the characters who previously saw Sasuke as a male now have different feelings towards him as a girl, which would create a lot of drama and conflict.
A great plotline could be that Harry, now a girl, has to navigate the world of wizarding fashion and etiquette which she previously ignored. She might be forced to attend more social events at Hogwarts, like balls or tea parties, where she has to learn proper behavior. And she could also use her new identity to her advantage when it comes to spying on the Death Eaters. They might underestimate her because she's a girl, but she could outwit them.