Well, it could be about Naruto being like a protege or a special student to Kakashi. Maybe Kakashi takes Naruto under his wing in a more unique way, like training him in some super - secret jutsu that only he can teach. And Naruto, being his 'pup', would be really eager to learn and follow Kakashi's every instruction.
Obviously, Naruto and Kakashi are the main characters. Naruto is the one in the role of being Kakashi's 'pup', which implies a special relationship. Kakashi is the one Naruto is related to in this unique way in the fanfiction.
The exploration of new abilities for Naruto. Maybe he has some sort of pup - related power, and seeing how he uses it and develops it with Kakashi's help is really interesting. It also might show how Naruto's character matures in this different scenario.
One interesting story could be about Kakashi finding an abandoned pup in the forest near Konoha. The pup might have some special abilities that are connected to Naruto's own power, like being able to sense the Nine - Tails' chakra. Kakashi decides to take the pup under his wing and train it, just as he trains Naruto.
Some 'kakashi naruto pup fanfiction' focuses on how Kakashi trains Naruto as if he were a young pup. It can be a heart - warming story of growth. For example, Kakashi might teach Naruto how to better control his chakra in a more nurturing and patient way compared to the normal training in the original series.
You can start by looking on fanfiction websites such as Archive of Our Own (AO3). It has a large collection of Naruto - related fanfictions, and you can use the search function to specifically look for ones that involve Kakashi and a pup. Another option is FanFiction.net, which also has a wide variety of Naruto fan stories.
There might be. Fanfiction writers often like to play with the established relationships in the Naruto universe. Since Naruto has a complex world with many interesting characters, it's not unusual for someone to write a story where Naruto becomes Kakashi's sensei in an alternate timeline or some other creative scenario. It could be an interesting take on the characters' development and the overall story.
In a fanfiction, Kakashi's disguise could be part of a mission to infiltrate an enemy base. He uses his skills to transform into an enemy ninja, complete with different hair color, different style of headband, and a new set of jutsu techniques that he pretends are his own. This way, he can get closer to the enemy leader and find out their plans.
In many Naruto fanfictions about Kakashi training Naruto, Kakashi might push Naruto to new limits. He could focus on Naruto's Rasengan training, making it more powerful or teaching him new variations. For example, Kakashi might introduce elements to the Rasengan, like wind or lightning, to enhance its destructive power. This kind of training would not only strengthen Naruto physically but also help him understand chakra better.
Well, in such a fanfiction, Naruto would be a contemporary of Kakashi. He might have different relationships with the characters of Kakashi's generation. For example, he could be closer friends with Obito and Rin. His skills might also develop in different ways as he would be exposed to different training methods and challenges that were relevant to that generation. He could have a different perspective on the Uchiha clan's issues as he would be more directly involved in that era.