I'm not sure if there's one that's extremely well - known specifically titled like that. However, there are many Naruto fanfictions where fox - related elements play a protective role. You'd have to search through fanfiction platforms to really find out if there's one that stands out with that exact title or concept.
The 'fox' might be a character who has some connection to fox - like traits or the Nine - Tailed Fox in Naruto. In fanfiction, this character is on a mission to protect the Naruto - themed story. It could be about protecting the plot from being disrupted or protecting certain characters within the fan - created Naruto world.
In a fanfiction where Naruto protects Ayame, it could be an exciting adventure. Maybe Ayame is in danger from rogue ninjas. Naruto, with his strong ninja skills and determination, jumps in to safeguard her. He might use his shadow clone jutsu to confuse the enemies and then his Rasengan to defeat them, ensuring Ayame's safety.
It could be. Haku is a beloved character, and protection - themed stories are quite common in fanfiction. So it's likely that there are quite a few Naruto fanfics with this concept.
Naruto might protect a young genin who has shown great potential but has also attracted the attention of a powerful and evil ninja organization. The genin is too young and inexperienced to defend themselves, so Naruto takes on the role of bodyguard. He trains the genin while also keeping them safe from the organization's assassins.
Another theme is the bond between them. Naruto often sees Tsunade as a mother figure or at least an important mentor. So, protecting her is like protecting his own family. In some fanfictions, this bond is explored deeply, with Naruto having to make difficult choices to keep Tsunade safe. For instance, he might have to sacrifice a mission he really wanted to go on in order to stay by her side when she is in danger.
Maybe there are powerful dark sorcerers. These sorcerers could be trying to capture Naruto for their own evil purposes, like using his power to open a portal to a dark dimension or something, and Kurama has to protect him from them.
Love and loyalty are common themes. Hinata's love for Naruto often drives her to protect him. It shows that her feelings are not just romantic but also translate into actions of safeguarding him.
In a 'Naruto Protects Ayame' fanfiction, Ayame could be targeted because of her connection to Naruto. Let's say some anti - Konoha forces see her as a way to get to Naruto. Naruto, being aware of this, would constantly be on guard around Ayame. He'd start training her in basic self - defense techniques so she can protect herself when he's not around. And when the time comes for a real threat, Naruto would be right there, ready to take on any foe to keep Ayame unharmed.
Perhaps Yugito is being mind - controlled by an evil force. Naruto, using his own willpower and the power of his bonds with his friends, breaks the control on her and then defends her from the evil force that sent the mind - control in the first place.