One interesting interaction could be between Naruto and Sasuke. Sasuke might be both intrigued and a bit jealous of Naruto's new power. He could see it as a challenge and try to become stronger himself. Their rivalry could take on a whole new level. Another interaction could be with Kakashi. Kakashi, being Naruto's teacher, would be concerned about how Naruto is handling the power and would try to guide him. He might share some of his own experiences with powerful chakra sources to help Naruto.
Well, generally his power would increase significantly. He'd likely have enhanced physical abilities like strength, speed, and stamina. His chakra reserves would also be much larger, allowing him to perform more powerful jutsus for a longer period without getting exhausted.
No. In the Naruto series, Naruto is the host of the Kyuubi, not its slave. Fanfics might deviate from the original concept, but in the official story, Naruto has a symbiotic relationship with the Kyuubi. He gains power from it and eventually befriends the Kyuubi spirit.
If Naruto absorbs the Juubi in fanfic, it could change the whole Naruto universe in that story. He may have new forms or abilities. Maybe he could use the Juubi's power to bring peace to the ninja world more quickly. He could also face new challenges as other characters might fear his new - found power.
If Naruto absorbs Kaguya in a fanfic, it might lead to a very different storyline. He could use Kaguya's power to bring about a new era of peace more quickly. For example, he might be able to use her power to stop all forms of aggression instantly. Also, his appearance might change slightly, taking on some of Kaguya's physical traits. And his understanding of the chakra and the world's origin could be greatly enhanced.
Well, Kyuubi might be possessive of Naruto because they have a unique bond. Kyuubi has been inside Naruto for a long time. They've shared experiences, and Kyuubi may see Naruto as its own in a way. Also, Naruto has sort of tamed Kyuubi to an extent, and this might make Kyuubi feel like Naruto is special to it, so it shows possessiveness.
One great Fem Naruto Kyuubi fanfic is 'The Nine - Tailed Fox's New Host'. It explores how a female Naruto deals with the power of the Kyuubi in a unique way. The story focuses on her training and how she overcomes various challenges with the help of the Kyuubi's power.
One possible aspect could be a story about Naruto befriending the female Kyuubi. In many fanfics, they might start with Naruto trying to understand the Kyuubi's female form better. Maybe he discovers that she has a different personality compared to what he expected from the regular Kyuubi. For example, she could be more gentle and protective in a way that surprises Naruto.
Yes. In many Naruto fanfics, Kyuubi plays a significant role. Since it's so closely tied to Naruto, it can easily be made to serve the fanfic. It might be used to introduce new characters who are interested in the Kyuubi's power. Or perhaps the fanfic is set in a different timeline where the Kyuubi has a different relationship with Naruto and has to serve in a way to protect the village or Naruto himself.