One popular 'naruto gets the susanoo fanfic' is 'Naruto: The Uchiha's Legacy'. In this fanfic, Naruto discovers a way to obtain the powerful Susanoo ability. It's an exciting read as it combines Naruto's own unique skills with the awesomeness of the Susanoo. The story also delves into how Naruto's friends react to this new development and how it changes the power dynamics in the ninja world.
Well, often one interesting plot point is how Naruto first acquires the Susanoo. Maybe it's through some kind of forbidden jutsu or a strange connection to an Uchiha ancestor. Another plot point could be how he trains to control it. Since the Susanoo is such a powerful and complex ability, seeing Naruto struggle and then succeed in taming it is really engaging. And of course, how his enemies react when they see Naruto with this new power. They might be shocked or even more determined to defeat him.
I'm not aware of any such fanfic. Naruto is a male character in the series, and such a concept goes against the natural order of the Naruto universe. Fanfics usually follow the general theme and characteristics of the original work, and this seems quite out of place.
It could be the dominant character in the yaoi pairing. If there is a strong - willed character in the relationship, they might take it upon themselves to punish Kakashi for interfering or causing trouble.
The abilities might be different too. Since Naruto has his own set of skills like the Rasengan and Sage Mode, his Susanoo could incorporate those elements. For example, his Susanoo's hands could form giant Rasengan - like attacks, or it could have the ability to enter Sage Mode, which would be a huge departure from the regular Uchiha Susanoo's abilities.
Perhaps it's an organization that wants to use Kakashi for their own evil plans. They might think that Kakashi's skills and knowledge would be useful for them. For example, they could be trying to create some sort of super - weapon and they need Kakashi's expertise in ninjutsu.
Well, his friends might launch a rescue mission. They would use their various skills to track down where Kakashi is being held. Naruto could use his shadow clones to search different areas, while Sasuke might use his Sharingan to detect any hidden threats on the way to the rescue.
One way could be through words of wisdom. Kakashi has a lot of life experience and could share his insights with Sasuke, like how to deal with his inner turmoil and the path he should choose. For example, he might tell Sasuke that revenge isn't always the answer and that there are other ways to find peace.
In some fanfictions, it could be due to a special jutsu gone wrong. Maybe a jutsu that Kakashi was using to transfer some of his chakra to Naruto for a mission accidentally transferred his Sharingan power as well.
One possible plot could be that in the yaoi fanfiction world, there are certain unspoken codes or etiquettes. Kakashi, being unaware or simply ignoring them, does something that is considered inappropriate. As a result, his punishment could range from public shaming within the fictional community to being forced to make amends in a rather difficult or embarrassing way. For instance, he might have to publicly apologize to the characters he has wronged while wearing some sort of humiliating outfit.