He could meet a wise old fox - like furry who imparts some important life lessons to him. This character might be like a mentor figure, guiding Naruto on his new furry - filled journey.
A large and strong bear - like furry could be a character Naruto meets. At first, they might have a bit of a conflict as the bear - like furry is a bit gruff and doesn't trust outsiders easily. But Naruto's determination and kind heart win the bear over, and they end up becoming friends. The bear could also be a powerful ally in future battles or challenges that Naruto faces in the fanfiction.
He could meet Pain. Since Pain was from Amegakure, Naruto might encounter him or learn more about his past in the village. It would be an interesting encounter as they had a major battle before.
Well, Kakashi could play an important role. Since he was Naruto's mentor, he would be very curious about Naruto's sudden change to a nobody. He might secretly investigate what caused this. Shikamaru could also interact with Naruto. Shikamaru is smart and observant. He might notice some small details about Naruto that others miss, and try to figure out the mystery behind Naruto becoming a nobody. Also, Rock Lee could be in the story. Lee might see Naruto as a new opportunity to spread his 'youth' spirit, not knowing Naruto's past.
He could meet Mei Terumi. She is a powerful and important figure in Kiri. Naruto might have some interesting interactions with her, either as an ally or having some initial misunderstandings with her. Another character could be Chojuro. He's a kind - hearted ninja, and he might be one of the first to welcome Naruto in Kiri.
He could meet Konan. Konan is closely associated with the Hidden Rain Village. Her paper - based jutsu would be an interesting interaction for Naruto. Maybe she could teach him something about her unique style of combat or they could end up in a battle.
There might be an old sage living in the mountains of one of the elemental nations. The sage has vast knowledge of ancient ninja arts and has been in isolation for years. Naruto's encounter with this sage could be a turning point in his journey, as the sage could offer him wisdom and perhaps even a new form of power or training method.
Sasuke would probably be both confused and a bit disgusted at first. He might see Naruto's new form as a sign of weakness. Sakura, on the other hand, would likely be more sympathetic and try to find a way to help Naruto. Kakashi would be calm as always and start to analyze the situation to figure out what caused the transformation.
Well, perhaps Naruto discovers a new world of anthropomorphic animals and is intrigued. He might start to make friends with these furry characters and learn about their unique cultures.
He could meet some space - faring ninjas who have adapted to the space environment. They might have unique chakra powers related to the cosmos.
He could meet alternate versions of his friends. For instance, an alternate Sasuke who has never left the village and is a strong ally from the start. This Sasuke could be more open and friendly, and together they could face the challenges of the new universe.
Well, it's a really strange concept. Maybe in this fanfiction, Naruto could be transformed into a furry character through some kind of magic or curse. And the 'lemon' part, if not taking it in an inappropriate way, could refer to a sour or difficult situation he gets into as a furry. For example, he might have trouble adapting to his new form and face discrimination from some villagers who don't understand his new appearance.