The villagers of Konoha could also be affected. They've known Naruto with his spiky hair for so long. His new look might cause a stir, with some being curious, some being critical, and others being inspired by his bold change. It could start conversations and even change the way some of the younger shinobi in the village view their own appearance and self - expression.
His sensei, Kakashi, would likely have an opinion. Kakashi might see it as Naruto finally breaking free from some of the constraints that have held him back. He could offer words of wisdom or just a simple nod of approval, seeing it as a natural part of Naruto's journey.
Sakura might be affected. She could be initially shocked by Naruto's new look and then gradually come to see it as a sign of his growth and independence. It might even make her re - evaluate her feelings for him.
Sasuke is definitely one. Since Naruto already knows Sasuke's path in his previous life, he could change Sasuke's fate. Also, Kakashi. Naruto might interact with Kakashi differently, sharing his future knowledge which could impact Kakashi's decisions.
His friends would be affected. For example, Sasuke might see Naruto in a new light and realize that they are more similar than he thought, both having their own inner struggles. Sakura would also be more empathetic towards Naruto and might try to be a better friend, offering more emotional support.
His friends would surely be affected. Hermione and Ron might be both amazed and a bit worried. They could be worried that this new power might change Harry too much or put him in more danger. Also, his enemies like Draco Malfoy would be affected. Draco might become more jealous or even more afraid of Harry.
Her friends would surely be affected. For example, Sasuke might be shocked or have a different view of her. Also, Sakura could be surprised and it might change their dynamic.
His friends like Sakura and Shikamaru would be affected too. With Naruto's changes, their relationships with him and with each other could be very different. For example, if Naruto changes the course of events, Sakura might not be as fixated on Sasuke in the same way. And Shikamaru might find himself in different strategic situations due to Naruto's interference.
Sasuke would be highly affected. He has a deep bond with Naruto, and Naruto's presence in the village has been a sort of anchor for Sasuke's new - found loyalty to Konoha. Without Naruto, Sasuke might feel lost or even question his own place in the village again.
The people of the Hidden Leaf Village would be in danger. If it was a powerful entity that Naruto failed to seal, the village could be attacked, and civilians would be at risk. The other ninja clans in the village would also be affected as they would have to work together to deal with the situation. And the neighboring villages might also be affected. They could either be in danger if the unsealed thing is a threat to them or they could take advantage of the situation in the Hidden Leaf Village if they have malicious intentions.
Perhaps in the fanfiction, Naruto lets his hair out when he is in a moment of deep emotional turmoil. He's tired of always conforming to the shinobi norms and decides to let his hair down as a sign of rebellion. This could lead to interesting interactions with his friends and mentors, who might be surprised or concerned about this new look and attitude.
The entire village of Konoha could be highly affected. Naruto, with his second chance, could bring about positive changes in the village much faster. For the younger generation like Shikamaru, Naruto's new approach might inspire them in different ways. And for the older generation, they might be forced to re - evaluate their views on Naruto and the future of the village if he starts making radical changes early on.
Obviously, Harry would be the main character. But Hermione could also play an important role. She might be initially against Harry growing his hair out, thinking it's unhygienic or against school rules, but then she comes around and helps him take care of it with some magic hair products she invents.