One potential plot could be Naruto struggling to control his new mini Kyuubi form. He might accidentally cause some chaos in the village while trying to figure out how to use his powers.
There could be a storyline where Naruto's mini Kyuubi form attracts the attention of other villages. Some might want to capture him to study his new form, while others might see him as a threat to the balance of power. Naruto then has to deal with the political implications of his transformation. He might have to prove that he is still the same Naruto who wants peace, just with a new power that he can use for the greater good.
If Naruto becomes a mini Kyuubi in the fanfiction, it would be a huge change for him. He'd have to deal with new instincts that come with being part - Kyuubi. He might be more aggressive at times, but he'd have to learn to control that. His relationship with the other villagers could also change. Some might be more accepting since he's using the Kyuubi's power for good, while others might still be afraid. And his training would be different. He'd have to focus on mastering his new form and powers, which could involve some really cool new jutsu and fighting styles.
Well, he might face some challenges too. Other characters might be afraid or suspicious of his new form. They could mistake him for a threat, like when he first had the Kyuubi inside him. Also, Naruto would have to learn how to control this new mini Kyuubi form. It could be difficult as the Kyuubi's power is wild. But if he manages to control it, he could use it to protect the village in new and unexpected ways.
Well, if Naruto becomes the Kyuubi in the fanfiction, he would likely have an overwhelming amount of power. He might be able to defeat his enemies with ease. But he would also face the struggle of controlling such a powerful and wild force inside him. Maybe his friends would be both in awe and a bit scared of him at first.
One possible scenario in this fanfiction could be that Naruto's transformation into a fox gives him new abilities related to the Kyuubi's powers. He might be able to communicate with the Fem Kyuubi on a deeper level, leading to an interesting dynamic between them. For example, they could team up to protect the Hidden Leaf Village in a more efficient way, using their combined fox - like skills.
In some fanfictions, if Naruto becomes the Kyuubi, he might gain ultimate power. He could have the Kyuubi's full strength and abilities, like its massive chakra reserves. This could make him nearly invincible in battles. He might also change in appearance, perhaps having some Kyuubi - like features. For example, his eyes could turn red like the Kyuubi's, and he may grow claws or fangs. His personality could also be affected, becoming more ferocious and wild at times, but still having Naruto's underlying kindness.
Well, one possible plot could be that Naruto's mini Kyuubi form is initially out of control. He might accidentally attack the village when he was a child. But then, through the help of Iruka and Kakashi, he starts to learn to control this power. They teach him chakra control techniques specifically designed for his unique situation.
Well, the plot could involve Naruto being influenced by Madara's power and ideology in a miniaturized way. Maybe he starts to see the shinobi world from Madara's perspective, causing conflict within himself as he has always had his own beliefs. He might struggle with the new thoughts that are more in line with Madara's, such as the idea of a total overhaul of the shinobi system. This could lead to his friends being worried about him and trying to bring the old Naruto back.
In such a fanfiction, perhaps Naruto could gain the full power of the Kyuubi and use it in unique ways. He might develop new jutsu that combine his own skills with the Kyuubi's chakra. For example, he could create a super - powerful Rasengan infused with Kyuubi's chakra. And he may face new and more powerful enemies as a result of this new power. Also, his relationships with his friends and allies could be affected, as they might be in awe or a bit scared of his new - found strength.