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.
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.
Perhaps a storyline where Naruto's new form attracts the attention of ancient and powerful ninja spirits. These spirits either want to help him master his power or want to use him for their own purposes. Naruto has to figure out who to trust and how to use his newfound power for good while dealing with these new forces.
Well, a possible plotline is that Naruto has to deal with the fact that he has the power of the Kyuubi in a more innate way. Maybe he discovers that he can access certain abilities that are unique to being the son of Kyuubi, like a deeper connection to the chakra of the nine - tailed beast. There could also be a plotline where the Akatsuki target him not just for the Kyuubi's power but because of his special connection to it as its son. And his own village might have to decide whether to protect him or sacrifice him for the greater good.
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 potential risk is losing control. The Kyuubi's power is wild and Naruto might find it difficult to keep his sanity while using it.
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.
One possible storyline could be that Naruto, upon accepting the Kyuubi, gains new powers and uses them to protect the village in a more efficient way. He might be able to control the Kyuubi's chakra better and combine it with his own jutsu for stronger attacks.
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.
There could also be a storyline where they discover a hidden mystery in the village. Naruto's adventurous spirit and Ino's sharp mind would be perfect for investigating. As they live together and share their thoughts and ideas, they piece together the mystery. It could be something related to an ancient jutsu or a secret about the founding of the village. Their relationship would grow as they rely on each other to solve this mystery and protect the village.