Yes, there are likely some fanfictions with this concept. Fanfiction writers often come up with unique and creative ideas, and the idea of Naruto having some sort of special connection or relationship with Kaguya Otsutsuki in a fan - created story is not unheard of. It could involve Naruto exploring Kaguya's past, or perhaps having a role in her redemption in the fanfic's alternate universe.
One possible plot could be that Naruto discovers he has some hidden Otsutsuki bloodline. This leads to him being ostracized by some in the village who fear his new - found power. He then has to go on a journey to learn about his Otsutsuki heritage, facing challenges along the way and also having to prove that he's still the same Naruto at heart.
One great 'Naruto Kaguya Otsutsuki Fanfic' is 'The Legacy of Kaguya'. It explores her backstory in a very detailed way. It shows how she came to be the powerful being she was in the Naruto series. The author does a great job of creating new scenarios that fit well with the existing Naruto lore.
One interesting otsutsuki fanfiction could be about an otsutsuki who decides to live among humans and tries to understand their emotions. This otsutsuki might start to form relationships with humans, which is a big change from their usual aloof nature.
One possible plot could be that Naruto discovers he has Otsutsuki blood in him. This could lead to him having new and uncontrollable powers that he has to learn to master. He might be shunned by some in Konoha who fear his newfound abilities, while others see it as an opportunity for Konoha to become even stronger. Naruto would then have to struggle with his identity and prove that he is still the same Naruto they know and love.
There are. A lot of these fanfictions play with the idea of time travel as well. Maybe Naruto goes back in time and meets Kaguya before she becomes the all - powerful enemy. This changes the course of history and their relationship. It's a really fascinating concept that many fanfiction writers like to explore.
Yes, there are some out there. You can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'Naruto and Kaguya Otsutsuki love' and you'll likely find a variety of stories, some might focus on their unique connection in an alternate universe, while others could explore how a relationship between them might develop in different scenarios.
One good sakura otsutsuki fanfic could be 'Sakura's New Path' where she discovers new powers. It shows her character development in an interesting way.