It might be for Naruto's own good. Sasuke may believe that Naruto is on a dangerous path that will lead to his downfall. So he captures him to keep him from making bad decisions, like sacrificing himself for the village or something similar. He wants to save Naruto from himself in a sense.
Well, it could be that Sasuke captures Naruto as part of a plan to protect him from a greater threat that Naruto is unaware of. Maybe Sasuke has some inside information about a powerful enemy who is targeting Naruto, and by 'capturing' him, he can keep Naruto in a safe place until the danger passes.
Common themes in this type of fanfiction include self - discovery. Sasuke may be on a path of self - discovery through his actions of capturing Sakura. He might be trying to figure out who he really is and what he truly wants. Another theme is the exploration of power dynamics. Sasuke is a powerful ninja, and Sakura is also no pushover. When he captures her, the power dynamic between them shifts in an interesting way. This can lead to exploring how they each react to having power or being in a powerless situation. And of course, there is often the theme of forgiveness. Sakura may have to forgive Sasuke for his actions, or Sasuke may have to seek forgiveness from Sakura and others.
One idea could be that Naruto is captured by an unknown enemy. While in captivity, he loses his sight due to some sort of dark jutsu used on him. His friends then embark on a journey to rescue him. In the fanfiction, they might face various challenges and new enemies along the way.
In the 'naruto is protected by sasuke fanfiction', Sasuke's protection of Naruto could be multi - faceted. Sasuke, being a powerful ninja, would first of all use his physical strength and speed to block attacks aimed at Naruto. Emotionally, his bond with Naruto would make him extremely vigilant. He might sense Naruto's distress from afar and rush to his aid. In terms of strategy, Sasuke would likely plan their movements carefully when they are in dangerous situations, ensuring Naruto is always in a relatively safe position. His ability to quickly analyze a battle situation and react accordingly would be crucial in protecting Naruto.
Yes, there are such fanfictions in the Naruto fanfiction community. Some fans like to explore unique and creative scenarios in their writing, including this rather unexpected one.
Well, without reading the specific fanfiction, it could be about Kurenai, a character from Naruto, capturing Naruto for various reasons. Maybe it's part of a mission, or perhaps there's some misunderstanding that leads to this situation.
It could be other villages as well. Since Naruto has made friends and allies from different villages during his adventures. For example, the Sand Village might send some of their ninja to help, considering Naruto's relationship with Gaara.
Another way is that he forms an unexpected alliance within Iwa. There could be a dissident group in Iwa who oppose the capture of Naruto. They might help him escape in exchange for some future favor or because they believe in Naruto's cause. Naruto has a way of inspiring people, even those who are initially his enemies, so this is a plausible scenario.