Well, in this fanfiction, perhaps Naruto's cold is not just a normal illness. It could be some kind of curse that was placed on him because he's been neglected. The story might then focus on how he discovers the source of this 'cold' curse and tries to break it. He may find unexpected allies who see his plight despite the general neglect he faces.
One possible plot could be that Naruto gets sick with a cold, but because he's often neglected by the villagers, no one really notices or helps him. He has to struggle through it on his own while still trying to keep up with his ninja training. It could show his determination and how he overcomes even when he's physically weak.
Perhaps there is no traditional 'big bad' antagonist. Instead, the antagonist could be the overall neglect and apathy of the village itself. It's like the village's indifference towards Naruto when he's sick with a cold is the force he has to fight against. He has to break through this wall of neglect to get the care and respect he deserves.
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.
Maybe in the fanfiction, Naruto neglected Kumo because he was too focused on his own village's problems. But then something major happens in Kumo, like a powerful enemy targets them. Naruto realizes his mistake and goes to Kumo to make amends. He teams up with the Kumo shinobi, and they work together to fend off the threat. Along the way, he learns about Kumo's unique culture and forms strong bonds with their ninja.
One possible plot could be that in a crossover world, the Yugioh characters are somehow transported to the Naruto universe. However, the Naruto characters neglect them, thinking they are just strange intruders. The Yugioh characters then have to find a way to get back home while dealing with the indifference of the Naruto world.
Well, it could be about a jailer in the Naruto universe who is constantly overlooked and underestimated. Maybe he has some unique skills or knowledge that no one pays attention to. And as the story unfolds, he starts to prove his worth in unexpected ways, perhaps by saving the village from a hidden threat that the regular shinobi missed.
In this type of fanfiction, it could be that Naruto enters the Sekirei world during one of his training missions gone wrong. He is neglected by the Ashikabi (the Sekirei masters) at first because he doesn't seem to have any Sekirei - like powers. However, Naruto's strong will and determination attract a Sekirei who is also different from the others. They start to train together, Naruto teaching the Sekirei about ninja values like loyalty and perseverance. As they progress, they start to change the perception of what it means to be strong in the Sekirei world, and Naruto becomes an important figure despite the initial neglect.
Well, it could be about a sword that has some sort of hidden power. Maybe it was once used by a great shinobi in the Naruto world but has been forgotten over time. The story might follow a character who discovers the sword and tries to unlock its potential while everyone else in the Naruto universe is neglecting it.
Well, it could be about Samehada being overlooked in the Naruto universe. Maybe it's not being used to its full potential. For example, it might be that no one realizes its unique abilities aside from just being a weapon. Or perhaps it's being misused or underutilized by its owners.
Well, one possibility could be that Naruto is somehow transported to the Star Wars universe and is neglected by the Sith. Maybe they see him as a weakling at first. He then starts to learn their ways in secret and eventually uses his Naruto - like determination to rise above their neglect and become a powerful force against them.
In such a fanfiction, perhaps Naruto is in a new world where Rias, for some reason, completely ignores him. Maybe it could lead to Naruto feeling isolated and having to find his own way in this strange new place. He might start training alone and discover new powers out of his need to prove himself despite Rias's neglect.