The plot might go like this. Naruto, after years of being neglected, sees joining ANBU as an opportunity to break free from the chains of being underestimated. When he joins, he is put through a rigorous training regime that is different from what he has experienced before. He struggles at first but his willpower keeps him going. He then gets involved in a mission that has high stakes for the village. Despite the odds and the initial lack of support from his team members, he manages to succeed, which starts to change how the village views him and also how his relationship with his ANBU colleagues develops.
In such a fanfiction, the plot could involve Naruto being constantly overlooked by the village. Fed up with this, he decides to join ANBU to prove his worth. He might face challenges like distrust from his ANBU comrades at first because of his reputation. But as he goes on missions, he shows his skills and determination, gradually earning their respect and changing their perception of him.
Well, it could be about a young prodigy in the Anbu who is overlooked because of Naruto's fame. Maybe this prodigy has amazing skills like being able to use unique jutsus or having extraordinary stealth abilities. But everyone is so focused on Naruto that the prodigy is left in the shadows and has to struggle to prove himself.
Well, in such a fanfiction, perhaps Naruto has just lost Sasuke again and is deeply depressed. The ANBU, seeing his skills and his need for a distraction, recruit him. He starts off being a bit of a misfit in ANBU, not following all the rules because of his independent nature. But as he continues, he starts to understand the importance of their work. He might even form new bonds with his ANBU comrades, which slowly help him come out of his depression.
Well, in a fanfiction where Naruto joins ANBU, his training would intensify. He'd be trained by some of the toughest ANBU veterans. His skills in combat would become more refined as he'd learn to use weapons like kunai and shuriken with more precision. He may also develop new jutsu that are more suitable for covert operations. His growth as a ninja would be different from the regular path, focusing more on secrecy and assassination if required.
In fanfiction, if Naruto neglects the ANBU, it could lead to a breakdown in the village's security structure. The ANBU are crucial for Konoha's safety. Without Naruto's proper attention, they might not function as effectively. This could result in more threats infiltrating the village, creating chaos and endangering the lives of the villagers.
One possible plot could be Naruto facing the internal politics of ANBU. He might struggle to adapt to their more secretive and sometimes morally gray operations compared to his usual straightforward ninja way. For example, he could be assigned to a mission where he has to spy on a former ally, creating an internal conflict within him.
Well, it could be that Naruto, feeling neglected in his own village, decides to seek a new start in Kumo. Maybe he meets some unique characters there who accept him for who he is and he begins to train in their style of jutsu, thus becoming a stronger shinobi in a new environment.
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.
Naruto's character would likely become more reserved at first. The neglect he has faced has made him a bit jaded. But as he proves himself in ANBU, his confidence would start to return. He would also become more stealthy and calculating, traits he didn't really have to rely on before. His sense of loyalty to the village would be tested and strengthened as he faces more complex and dangerous situations within ANBU.
One plot twist could be that the person who cheated on Naruto actually has a very good reason, like they were forced to do it to protect Naruto from a greater threat. Another could be that in ANBU, Naruto discovers that the cheating incident was part of a larger conspiracy against him. Maybe his new ANBU teammates turn out to be related to the cheater in some way, creating a lot of internal conflict for Naruto.
In this kind of fanfiction, one possible plot development could be Naruto having to deal with the secrecy aspect of ANBU. He might struggle with the morally grey missions they undertake. For example, he could be sent to spy on an old acquaintance. Naruto, being Naruto, might try to find a more positive solution to the situation rather than blindly following orders.