One possible plot development could be that his friends, like Sakura and Sasuke, come to take care of him. Sakura uses her medical skills to try and bring down his fever. Another could be Naruto having fever-induced dreams about his past, like his lonely days as a child. Maybe he even hallucinates about his parents. It could also lead to a situation where the village is in danger, but Naruto is too sick to help at first, creating a sense of tension and urgency among the other characters.
One possible plot development could be that his friends rally around him. For example, Sakura might use her medical skills to try and figure out what's wrong. Another could be that Naruto's illness is somehow related to a new enemy or an old foe's hidden jutsu. It might also lead to Naruto having to rely on others more than he's used to, which could be a big character - growth moment for him.
One possibility is that Naruto's friends launch a rescue mission. They would use their unique skills, like Sasuke's Sharingan or Sakura's medical ninjutsu combined with her combat skills, to find and save Naruto.
One possible plot development could be Naruto using his new jutsu to break Yugito free from an enemy's trap. Another could be that Naruto's words break Yugito's negative mindset.
There could be a plot where they discover a new threat to the villages while living together. They then use their combined skills and knowledge to investigate. Gaara's knowledge of the desert and its secrets could be combined with Naruto's intuition and quick - thinking. They might also find some ancient power or technique during their investigation that could change the balance of power in the ninja world. This would lead to them having to decide how to handle this new power, whether to keep it secret or share it with the other villages for the greater good.
A possible plot development could be that Naruto's connection to the Nine - Tailed Fox gives him an advantage in a situation where Shirou was at a disadvantage. For example, if there was a powerful dark force in the story, Naruto could use the Nine - Tailed Fox's power to fight it off, while Shirou might have struggled more. Also, Naruto's charisma could attract different allies compared to Shirou, and these new allies could bring in their own sub - plots and story arcs.
In the 'naruto has no eyes fanfiction', the plot might involve Naruto discovering a new form of chakra that is unique to his condition. This new chakra could give him abilities that he didn't have before, like the ability to sense the emotions of his opponents. There could also be a plot twist where Naruto's blindness is actually a part of a greater prophecy, and he has to fulfill it in a way that no one expected.
One possible plot development could be Naruto learning to master Samehada's unique abilities. Since Samehada can absorb chakra, Naruto might figure out a way to use this to his advantage in battles, like redirecting the absorbed chakra against his enemies.
Well, one possible plot development could be that Naruto revives the Hokages to seek their wisdom in a new and dangerous threat that the village is facing. Maybe it's a threat that requires the combined knowledge and skills of all the past Hokages.
One possible plot development could be that Naruto loses his eye in a battle against a powerful new enemy. This might lead to him having to adapt his fighting style, perhaps relying more on his other senses like hearing and smell. He could also experience self - doubt and a crisis of confidence, but then use this setback as motivation to become even stronger.
Perhaps there could be a plot development where other characters react to Naruto's training with Deidara. For example, Sasuke might be suspicious or even jealous of Naruto's newfound skills. This could create tension between the two characters and lead to some exciting confrontations.