The plot of 'naruto is the new avatar fanfiction' could be that Naruto is reincarnated as the new avatar. He wakes up in the Avatar world with no memory of his previous life as a ninja. As he discovers his new powers, he also realizes the great responsibility that comes with being the avatar. He then embarks on a journey to master all the elements and stop an evil force that is threatening to destroy the world, using his ninja - like tenacity and strategic thinking.
Well, perhaps in this fanfiction, the Avatar enters the Naruto universe and causes some sort of imbalance. Naruto, seeing the chaos it might bring, decides to seal away the Avatar. As time passes, Naruto starts to learn more about the Avatar's world and realizes that there are good things about the Avatar too. So he begins a journey to find a way to unseal the Avatar without causing more harm, all while facing enemies who want to use the situation for their own gain.
In a 'naruto x avatar lemon fanfiction', it might involve Naruto using his ninja skills in the Avatar universe. For example, his shadow clone jutsu could be used in creative ways to help the Avatar in battles. And they could explore different elemental powers together, with Naruto's chakra-based techniques interacting with the Avatar's bending abilities.
In a Naruto Hinata Evil Avatar fanfiction, the plot might involve an ancient evil entity that attaches itself to Hinata. As her avatar, she could start to manipulate the political situation in the Hidden Leaf. For example, she might spread false rumors or create unrest among the clans. And Naruto, being the hero he is, would have to figure out what's wrong with Hinata and stop her without hurting her too much.
Well, one possible plot could be that Naruto somehow gets transported to the Avatar world and meets Ty Lee. They might team up to fight against some common enemies, like the Fire Nation's rogue soldiers. Naruto could teach Ty Lee some of his ninja techniques, and in return, Ty Lee could show Naruto the unique bending arts of the Avatar world. Maybe they would have to work together to stop a dark force that's threatening both their worlds.
One possible plot could be that Naruto, with his newfound immortality, somehow gets transported to the Avatar world. He could meet Aang and learn about bending. Naruto's chakra control might help him quickly adapt to bending techniques. He could then team up with Aang to fight against a common enemy, like an ancient dark spirit that threatens both worlds.
Well, it could be a story where the ninjas from Naruto learn about bending in the Avatar world. They might be initially confused but then start to adapt. Naruto himself could try to learn airbending, given his fast - moving and free - spirited nature. And there could be a conflict where the shinobi way and the bender's philosophy clash, leading to interesting character developments.
Perhaps in this 'emperor naruto avatar fanfic', Naruto is made emperor due to his heroic deeds in both worlds. As emperor, he has to deal with political intrigue. He might have to form alliances with different clans from the Naruto world and different tribes from the Avatar world. His friends from both universes would help him, like Sasuke and Aang. They could teach each other their unique skills and fight against common enemies who oppose Naruto's new rule.
The plot might involve Naruto and Ty Lee teaming up to fight against some common enemy in the Avatar world. Along the way, they discover new powers within themselves and in each other. The 'lemon' part could be expressed through their growing attraction, with some passionate moments shared during their journey, like a stolen kiss during a dangerous situation or a tender moment by a campfire.
Well, perhaps Naruto is banished because of a political conspiracy in Konoha. He ends up in the Avatar world and befriends some of the benders. They teach him about their ways and he in turn shares his ninja knowledge. Together, they work on a plan to expose the real villains in Konoha so Naruto can be welcomed back.
Well, one possibility could be that Naruto gets a new arm with some special abilities. Maybe it was given to him by a powerful ally or he discovers an ancient artifact that attaches to him as a new arm. This new arm could have powers like enhanced strength for his ninja techniques or the ability to sense danger more acutely.