The story could start with Naruto being lured into a trap set by Kiri. Once kidnapped, he finds himself in a prison cell deep within Kiri's territory. The Kiri ninjas might try to interrogate him about Konoha's secrets or his own unique abilities. Naruto, being Naruto, refuses to cooperate. As time passes, he befriends a fellow captive who has some knowledge about Kiri's inner workings. With this new ally, Naruto formulates a plan to break free. Meanwhile, Konoha's search party is facing many obstacles in their attempt to find Naruto in the unfamiliar and dangerous land of Kiri.
It could be a rogue ninja from Kiri who has his own motives for kidnapping Naruto. Maybe he wants to use Naruto's power to take over Kiri. He sees Naruto as a tool to gain control and doesn't care about the consequences for the relations between Konoha and Kiri.
In 'naruto neglected kiri fanfiction', the plot might center around the internal problems of Kiri that are a result of being neglected. There could be a power struggle within the village as resources become scarce because of the lack of external support. Some clans within Kiri might be on the verge of disappearing due to this neglect. And a group of brave Kiri ninjas, led by a strong protagonist, could be trying to find ways to reverse this situation and make Kiri relevant again in the Naruto world.
Perhaps Naruto is invited to Kiri to participate in a grand ninja tournament. In Kiri, he meets old friends who are also competing. He has to face off against some tough opponents from Kiri in the tournament. Along the way, he learns about Kiri's history and the importance of the tournament to their village. He also uses this opportunity to strengthen the bonds between Konoha and Kiri.
Well, perhaps in this fanfiction, Naruto goes to Kiri to escape some sort of danger in Konoha. Once in Kiri, he finds himself in the middle of the village's internal power struggles. He uses his skills and determination to try and bring peace to the village, while also dealing with the fact that he's an outsider. He might even start to train some of the younger ninjas in Kiri, sharing his unique ninja way.
Well, one possible plot could be Naruto growing up in Kiri and facing discrimination due to being an outsider. He might have to prove himself constantly, perhaps by mastering unique Kiri - style jutsu. And he could form unexpected alliances with some of the local shinobi who see his potential.
Well, one possibility is that Naruto, being banished from his village, arrives in Kiri with a lot of pent - up emotions. He might face initial hostility from the Kiri ninjas who are suspicious of an outsider. But as time passes, he could show his strength and kind heart, and start to make some unlikely friends among the Kiri population. Maybe he gets involved in some sort of mystery or conflict that is unique to Kiri, like the internal power struggles between different clans in Kiri.
Perhaps Sasuke has been influenced by some dark force. This force could be manipulating him into believing that Naruto is a threat to his goals. So, he kidnaps Naruto to either stop him from interfering or to convert him to his side. It could lead to a very intense struggle within Naruto to resist Sasuke's influence.
One possible plot could be that a powerful and secret organization kidnaps Naruto at birth to use his special chakra for their own dark purposes. They keep him hidden away, training him to be a weapon against the Hidden Leaf Village. However, as Naruto grows, he starts to question his captors' motives and tries to break free to find out about his true heritage.
One possible plot could be that Sasuke has a hidden agenda. Maybe he believes Naruto is in danger from a new, unseen enemy in the ninja world. So, instead of explaining his reasons to Naruto, he kidnaps him to keep him safe in a secret location. However, this action might be misinterpreted by their friends, leading to a search and rescue mission.
Well, perhaps Naruto, feeling neglected in his own village, decides to seek a new start in Kiri. He might meet new friends and allies there, like some of the unique ninja in Kiri. He could also face challenges from those who are suspicious of an outsider joining their ranks.