No. The Shinobi Alliance exists within the Naruto universe which doesn't have the concept of fanfiction. Fanfiction is something created by fans in our real world, not something that exists within the Naruto world for the characters to read.
The Shinobi Alliance is a group in the Naruto universe. They are mainly focused on battles and protecting their world. Reading Naruto fanfiction has no direct relation to their in - universe activities. Fanfiction is something created by fans outside of the official story, so the Alliance wouldn't typically be involved in it.
Well, in such a fanfiction, it might start with Naruto being in a situation where he becomes Madara's pet. Maybe at first, Naruto is defiant but as time passes, he could start to understand Madara's motives in some strange way. Madara, on the other hand, might initially see Naruto as just a possession but gradually develop a sense of attachment. It could be a really strange and complex relationship that unfolds as the story progresses.
In fanfiction, Naruto might fear a shinobi for various reasons. One could be that the shinobi has a unique and powerful jutsu that Naruto has never encountered before. For example, a shinobi with the ability to manipulate time could be extremely intimidating to Naruto as it goes against his understanding of combat and the ninja world. This new and unknown power could make him feel vulnerable.
In some fanfictions, it could be through a strange and powerful jutsu transfer. Maybe Madara, on the verge of defeat, decides to transfer his Rinnegan power to Naruto for some unforeseen reason, like seeing a new path for the ninja world in Naruto.
In this kind of fanfic, the author may describe Naruto's resemblance to Madara in terms of their auras. Naruto could have an aura that is as intimidating as Madara's. For example, when he enters a room, people might feel the same kind of pressure as they would when Madara was around. And perhaps Naruto starts to have some facial expressions that are similar to Madara's, like a certain smirk or a serious frown.
In a Naruto fanfiction where he has Madara's attitude, he could become more power - hungry. Madara was always seeking power to reshape the world according to his ideals. Naruto might start to view the tailed beasts not as friends but as tools for greater power. He could try to gather more chakra and perhaps even attempt to unlock new forms of power that are more in line with Madara's dark and ambitious nature, which would shock his comrades and enemies alike.
This fanfiction might be about a character who has to adapt to the ways of the Kiri shinobi. They could be an outsider, like Naruto himself, trying to understand and fit into the often - secretive and harsh world of the Mist Village. It could involve training with Kiri's unique fighting styles, dealing with internal power struggles within the village, and perhaps even uncovering some long - hidden secrets of Kiri that are relevant to the Naruto universe as a whole.
A 'naruto is a seduction shinobi fanfic' might be about Naruto using seduction techniques in a fan - created story. It could involve Naruto using charm or allure in ways not seen in the original series to achieve his goals, whether it's in combat, getting information, or interacting with other characters.
Some fanfictions depict shinobi with extraordinary powers as feared by Naruto. For instance, a shinobi with the power to control minds. Naruto would fear such a shinobi because it could turn his friends against him or manipulate his own actions. This would be a huge threat to his way of life and his values as a ninja.