They might have adventures where Kyuubi can use Naruto's eyes to sense hidden threats. For example, in a battle against an unknown enemy, Kyuubi could spot the enemy's hidden traps or ambushes through Naruto's enhanced vision. This would give Naruto an edge in combat as he could be alerted to the danger before it's too late.
Well, one possibility is that Kyuubi seeing through Naruto's eyes could lead to some interesting interactions with other characters. Maybe Kyuubi notices something about a character's true intentions that Naruto would have otherwise missed. This could change the course of their relationships and the overall plot of the fanfiction.
They could go on an adventure to explore the hidden secrets of the ninja world. Maybe there are ancient ruins that hold the key to a powerful jutsu, and Naruto and Kyuubi work together to uncover it. Naruto uses his ninja skills and Kyuubi provides the necessary power boost when needed.
The ability could also affect Naruto's power on an emotional level. Knowing that Kyuubi can see through his eyes might make Naruto feel more confident. He might be more willing to take risks in battles or in exploring new areas. This new - found confidence could translate into him using his existing powers more effectively, like his Rasengan or his ability to summon toads. Also, Kyuubi might be able to spot things that can help Naruto improve his jutsu. For example, if there are certain natural elements or energy sources that Naruto can use to power up his jutsu, Kyuubi could see them through Naruto's eyes and tell Naruto how to utilize them.
Well, they could embark on a journey to find other tailed beasts and try to form a new kind of bond among them. This would be an adventure full of challenges as some of the tailed beasts might be hostile at first. Naruto and Kyuubi, as brothers, would use their combined strength and Naruto's persuasion skills to make peace with them. Along the way, they would also learn more about each other's capabilities and grow closer as brothers.
Well, they could be involved in a school sports competition. Naruto would be all about the spirit of the game, while the Female Kyuubi might initially be reluctant but then get really into it to prove her strength. Or perhaps they are in a club together, like a mystery - solving club. They would use their unique skills, Naruto's ninja skills and the Kyuubi's intuition, to solve various strange events that happen around the school.
In some fanfictions, Naruto having Kyuubi's eyes could signify a deeper connection to the Kyuubi's power. It might mean he can access its chakra more directly or even gain some of the Kyuubi's abilities related to perception, like seeing chakra more clearly.
They could go on a journey to discover the origin of the Kyuubi's power. Naruto has always been curious about the power within him, and with the Fem Kyuubi as a friend, they could explore ancient places together. Maybe they find some long - lost scrolls that explain the true nature of the Kyuubi's power and how it was created. Along the way, they face various obstacles like traps set by ancient shinobi clans who wanted to keep this knowledge hidden.
In fanfiction, Naruto and Kyuubi as partners could have amazing adventures. They might explore uncharted parts of the ninja world together. Naruto could use Kyuubi's power in new and creative ways, like combining it with his Rasengan in unique forms. Maybe they'd face off against ancient evils that were once sealed away by the Sage of Six Paths. Their partnership could also lead to Naruto having an even deeper understanding of the chakra and the nature of the tailed beasts.
Well, he may start by exploring the most dangerous and mysterious places. His all - seeing eyes could help him see through any illusions or traps in those areas. He could also use it to find allies who are in need or being oppressed. This would lead him to form new alliances and strengthen the overall unity among the ninja clans.
It could be in an alternate universe fanfic where the rules of the Naruto world are completely rewritten and Naruto's identity as the kyuubi is central to a new and unique storyline.
In some fanfictions, they might have an adventure in a parallel universe. The Kyuubi and Naruto got transported there accidentally. In that universe, things were very different. They had to find a way back while also dealing with the threats in that new world. They worked together, with Naruto using his ninja skills and the Kyuubi providing its unique abilities. It was full of unexpected twists and turns.