At first, Naruto might be in shock. He has always trusted his friends, so the sudden betrayal would be a huge blow. He could be silent, unable to process what has just happened.
He might initially be in shock. Naruto, being the strong - willed character he is, would probably first try to understand why everyone has turned against him. He could start by seeking answers from those closest to him before he decides on his next course of action, like whether to fight back or try to win them back.
He could feel a great sense of anger and sadness. Naruto has a big heart, and being betrayed by someone he considered a friend or ally would be deeply hurtful. He might start to question his own judgment in trusting Mavis. And then, he would likely try to find out the reason behind the betrayal. He's not the type to just let it go. He would pursue the truth, whether it's to get revenge or to clear up any misunderstandings.
At first, Naruto would probably be extremely shocked and in denial. He has always looked up to Kakashi as a mentor and friend, so the idea of being betrayed by him would be hard to accept immediately.
Naruto would probably be extremely hurt. He is someone who values friendship and trust deeply. So, he might initially be in shock and disbelief. He would likely feel angry too, but his anger might be mixed with sadness.
After the initial shock, Naruto could become determined to prove his innocence if that was the case. He's a fighter, and he wouldn't just let this false accusation or betrayal stand. He might set out on a journey to find the truth and clear his name, all while struggling with the pain of his friends' actions.
Naruto might also become more cautious. He's always been a bit of a trusting person, but after Hinata's betrayal, he would be more careful about who he lets close. He would analyze his relationships more deeply and be on guard against future betrayals. This could change his approach to both his friendships and his role in the village as he tries to protect himself from further hurt.
Naruto could initially be shocked and hurt. Given his trusting nature, Akeno's betrayal would come as a big blow. He might go into a state of disbelief, trying to figure out why she would do such a thing.
Naruto would be deeply hurt by the betrayal. He has a big heart and values his relationships. He would feel confused as to why Serafall would turn on him. This might cause him to question his own judgment in trusting people. But being Naruto, he would not let this break him. He would rise above it, perhaps trying to talk to Serafall to clear up any misunderstandings. If that fails, he would focus on his own path, becoming stronger both physically and mentally, all while still holding out a little hope that things could be set right between them in the future.
Naruto would probably be initially shocked. He always tries to see the good in people and would not expect such a thing from Mei. He might try to talk to her to understand why she did it.
In some fanfics, Naruto initially tries to reason with the people of Konoha. He believes that there has been a misunderstanding and he wants to clear his name. But when he realizes that no one is listening, he becomes angry and frustrated. He might start to lash out at those who are hunting him.