One possible plot could be that Naruto suffers a head injury during a battle. As a result, he forgets about Sasuke completely. His friends initially don't notice, but as time passes, they realize Naruto's behavior towards Sasuke - related things is strange. For example, he doesn't get angry when Sasuke is mentioned like he used to. Then they try to help Naruto regain his memories of Sasuke through various means, like showing him old photos or taking him to places they used to go together.
It could be a rogue ninja who has a vendetta against Sasuke. This ninja knows that Naruto's bond with Sasuke is strong, so he uses a special jutsu to make Naruto forget Sasuke, hoping to break Sasuke's spirit. By removing Naruto from Sasuke's life in this way, the rogue ninja believes he can defeat Sasuke more easily.
One possible plot twist could be that Naruto's memory loss leads to him accidentally endangering his former teammates. For example, he might unknowingly reveal secrets to the wrong people. Another could be that his forgotten bond with Team 7 causes him to form new alliances that are initially at odds with his old team. Maybe he teams up with former enemies who manipulate his lack of memory. Also, it could lead to a situation where Team 7 has to reteach Naruto about their shared past and values, which would be a really emotional and character - developing journey for all of them.
One way the plot could develop is that Naruto begins to trust the wrong people because he doesn't remember who he should trust. This could lead to him getting into dangerous situations. Meanwhile, his true friends are desperately searching for a way to reverse his memory loss. As the story progresses, Naruto might start to have flashes of his old memories, which would add some mystery and hope to the plot.
Well, it could be about Naruto wanting to show his care for Sasuke through cooking. Maybe he tries to make Sasuke's favorite dishes to bring back old memories and re - kindle their friendship.
One possible plot could be that Naruto and Sasuke are on a mission together in this fanfiction. Naruto might ride on Sasuke's back as they are escaping from a powerful enemy. They could be in a situation where Naruto has been injured and Sasuke is using his speed and strength to get them to safety.
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.
Well, one possible plot could be that they decide to live together to train more intensively. They might share their different jutsu knowledge, like Naruto teaching Sasuke about Sage Mode and Sasuke teaching Naruto some of his unique Uchiha techniques. This would lead to them becoming even stronger together.
The plot might start with Sasuke attacking the village again, but this time with a more sinister plan. Naruto, who has always tried to bring Sasuke back, finally snaps. He realizes that Sasuke is too far gone. Naruto's revenge could be a long - drawn - out process. He first has to figure out Sasuke's motives and weaknesses. He might team up with some unlikely allies, like Orochimaru who also has a history with Sasuke. Their encounters would be full of intense combat, with Naruto determined to make Sasuke pay for his actions.
One possible plot could be Naruto teaching Sasuke some new and unique jutsu. For example, Naruto, as a sensei, might introduce Sasuke to a special type of nature transformation that he learned during his travels. This could lead to Sasuke evolving his own fighting style and becoming even more powerful.
A possible plot could be that Karin discovers a hidden power within herself that could either save or destroy the ninja world. Naruto and Sasuke, being two of the most powerful ninjas, are called upon to either help her control it or stop her if she goes rogue. This would create a complex dynamic between the three characters as they grapple with trust, power and their own personal beliefs.