In such a fanfiction, the plot could involve Naruto's transformation causing chaos in the village at first. People who knew Naruto as a boy are now confused. But Naruto (as a girl) is determined to show that she's still the same person inside. She might start wearing different clothes that are more feminine but still keep her ninja gear. Her sensei, like Kakashi, would have to adjust to training a female Naruto, and there could be some humorous moments in their training sessions as Kakashi tries to be more sensitive to her new situation.
Well, if Kyuubi turned Naruto into an Ino fan, it could change the dynamics a lot. Naruto might start spending more time around Ino. He could be influenced by her skills in mind - related jutsu, and perhaps try to learn from her. This could lead to new storylines where Naruto and Ino form an unexpected alliance or friendship. It would also be interesting to see how Naruto's friends like Sasuke and Sakura react to this sudden change in his behavior.
One storyline could be that Naruto, now a girl, tries to keep her identity a secret while still being a ninja. This would add an extra layer of intrigue to her missions. Another could be that she has to deal with romantic interests in a new way. Maybe some characters who were just friends before start to see her differently.
One possible plot could be that Naruto's friends initially don't recognize him. Then Naruto has to find a way to communicate with them while in fox form. He might discover new abilities that come with being a fox, like enhanced speed or senses, and use these to his advantage in battles or to solve problems in the Hidden Leaf Village.
I haven't heard of a fanfiction where Kyuubi turns Naruto into a futa. Naruto fanfiction often focuses on things like character development, new adventures, or different power - up scenarios. This concept is rather unorthodox and might not be as common as more mainstream fanfiction ideas. It's possible that it exists in some corner of the vast fanfiction universe, but it would take some serious searching to find it.
Well, one possibility is that Naruto, now as a girl, might face new challenges in the ninja world. People could underestimate her at first, but she would soon prove them wrong with her skills. Maybe she would also develop new relationships. For example, her friendships with Sasuke and Sakura could change in interesting ways. She might have to deal with different expectations from her peers and sensei.
One plot could be that the armed girl is a reincarnation of an ancient warrior who was once bound to the Kyuubi. She meets Naruto and realizes that they have a shared destiny. They then team up to fight against an evil organization that wants to steal the Kyuubi's power for their own malicious purposes.
The plot might involve Naruto being ostracized by some in the village due to his werefox transformation, but finding acceptance and love in an unexpected yaoi relationship. He could meet a new character who is attracted to his unique form and they start to develop a deep connection. This new relationship could help Naruto come to terms with his new identity and powers.
Well, if Kyuubi turns Naruto into a vixen in the fanfiction, Naruto could experience a whole new set of abilities. Vixens are known for their agility and stealth. So Naruto might be able to move more quietly and be quicker in combat. Also, his perception could change as vixens are often seen as very perceptive animals. This could make him a more formidable ninja, but also might cause some confusion among his comrades who are used to the old Naruto.
A common theme is identity crisis. Sasuke suddenly being a girl would make him/her question who they are now. Another theme could be acceptance, both from Sasuke herself and from the other characters. Also, there might be a theme of newfound friendship. As a girl, Sasuke might make new friends that he wouldn't have made before.
Well, one possible plot could be that Kushina uses some sort of jutsu by mistake that turns Naruto into a girl. Naruto then has to deal with all the new experiences like how people treat him/her differently. He/She might also struggle with adapting to new clothing styles and social expectations in the ninja world.