The main characters that would interact in 'naruto raises naruko fanfiction' are, first and foremost, Naruto and Naruko. But we can't forget about Sasuke. He could be a sort of cool uncle figure to Naruko, teaching her some of his unique ninja techniques. Hinata might also be involved, as she is close to Naruto. She could help Naruto in taking care of Naruko, teaching her how to be a proper lady in the ninja world while also being a strong fighter. And then there are the village elders who might interact with Naruto regarding Naruko's upbringing and her future in the village.
In this fanfiction, Naruto and Naruko are the central characters. However, other important interactions could be with the Hokage at that time. If it's Kakashi or someone else, they might offer advice or assistance to Naruto in raising Naruko. Also, the older generation like Tsunade could interact with Naruko, perhaps sharing her own experiences and wisdom. And of course, Naruto's teammates like Sakura would be involved, maybe helping with Naruko's medical training if she shows an interest in that area.
Obviously Naruto and Naruko will interact a lot. But also, characters like Iruka sensei might play a role. Iruka was important in Naruto's life, and he could also be a positive influence on Naruko. And Naruto's friends like Shikamaru, Choji, and Ino might interact with Naruko as well. They could be like her aunts and uncles, teaching her different things and having fun with her.
Obviously, Nagato himself would be the main character interacting with Naruto. He would be like a mentor or a guardian figure in Naruto's life.
Obviously, Naruko and Naruto would be the main characters. Since the whole concept is about Naruto being sealed in Naruko, their relationship and how they interact with each other would be central to the story.
Definitely Naruto. Then, Deidara could be an interesting character in this. His explosive personality and unique art of combat could influence Naruto in some ways. He might teach Naruto some of his skills while also getting frustrated with Naruto's different approach to things. Sasori could also be a part of it. His puppet - making skills and his cold, calculated nature could add an element of mystery to how Naruto is raised within the Akatsuki.
Kakashi could also play a role. He has been Naruto's mentor for a long time. So, he might have some mixed feelings about Itachi adopting Naruto. He could be suspicious of Itachi's motives at first but then gradually come to understand Itachi's positive influence on Naruto. Their interactions could be really fun to read about, especially when Kakashi tries to give Itachi some advice on how to handle Naruto's wild nature.
Anko might also be involved in the story. She has her own unique relationship with Yugao and could potentially interact with Naruto. Maybe she gives Naruto some tough love or challenges him in a way that Yugao's teaching methods don't cover. And of course, Iruka sensei could also show up to check on Naruto's progress and have some interactions with both Naruto and Yugao.
Definitely Shikamaru's friends like Choji. Naruto in Shikamaru's body would still have that bond with Choji, but it would be different. They might have conversations about food and friendship in a new light. Also, Ino would be a major character to interact with. Their relationship could change as Naruto is now in Shikamaru's body.
Obviously, Naruto and Erza would interact a great deal. Naruto would also probably interact with Erza's friends from Fairy Tail. He might meet Natsu and they could have some interesting battles or friendly competitions. He could also interact with Lucy, and perhaps learn about celestial spirits from her.
Issei would be a likely character for Evil Naruto to interact with. They could be either rivals or allies depending on the plot. Rias, as a powerful devil, would also cross paths with him. Her leadership and power would make for an interesting dynamic with Evil Naruto. And Akeno, with her mysterious nature, might also get involved in the story and interact with him in various ways.
Sasuke would definitely be one of the main characters to interact with Naruto. Their relationship has always been complex, and with Naruto as a girl, it could become even more so. Sakura would also interact a lot. She might be both jealous and intrigued by Naruto's new form. Kakashi too, as Naruto's mentor, would have to adjust to this change and guide 'her' in a different way perhaps.
The Raikage, Ay, would also interact with Naruto. He might be hesitant at first about Killer Bee adopting Naruto, worried about potential problems. But as Naruto shows his strength and loyalty, Ay could start to see Naruto as an asset to the village. And of course, Naruto's friends from the Hidden Leaf Village might come to visit or have some sort of communication with him, like Sakura and Shikamaru. They could be worried about Naruto living in a different village but also be proud of his new experiences.