In the 'naruto is like sasori fanfiction', they might share a sense of being outsiders. Naruto was an outcast as a child because of the Nine - Tailed Fox inside him. Sasori was also kind of an outlier in the Sand Village. In the fanfic, their personalities could be molded to show how they both deal with this outsider status, perhaps with Naruto's more positive outlook influencing Sasori in some way.
One of the main similarities is their self - sacrifice. Minato sacrificed himself to save the village and his son. Naruto has also shown that he is willing to put himself in harm's way for the greater good. He's always the first to jump into a dangerous situation if it means protecting those he loves. Another aspect is their leadership qualities. Minato was a great leader as Hokage, and Naruto has developed into a great leader as well, inspiring those around him.
In the fanfiction, they could have a mentor - mentee relationship. Naruto, with his big heart and positive attitude, could be the one to show Sasori a different way of looking at things, like a mentor. Or Sasori could teach Naruto some of his puppet - related skills, acting as a mentor in that aspect.
They're similar in their tenacity. Naruto never gives up, no matter how tough the situation is. He keeps fighting against powerful enemies like Pain or Sasuke. Gaara is the same. He has faced numerous challenges, especially when dealing with the internal and external threats to his village. Despite his past traumas, he stands firm. Also, they both understand the pain of being an outcast, which makes them empathetic towards others who are suffering.
Well, Naruto could be depicted as being similar to Gaara in their inner strength. Gaara was always strong on the outside but had a fragile heart. Naruto, in this fanfiction, may share that same duality. Maybe he shows Gaara that having a strong will doesn't mean suppressing emotions. He could be the one to show Gaara that it's okay to let others in, since Naruto is always about making friends and bringing out the best in people.
One possible plot could be that Naruto, for some reason, decides to adopt Sasori's more calculating and detached approach to combat. He might start using puppets or puppet - like techniques in battles, much like Sasori did. Maybe he's on a mission where he has to infiltrate an enemy base and he thinks acting like Sasori would be the best way to succeed.
I'm not sure of specific 'naruto acts like sasori' fanfictions off - hand. But you can try searching on fanfiction websites like Archive of Our Own or FanFiction.net. Just type in the keywords and browse through the results. There might be some really interesting stories out there where Naruto takes on characteristics or behaviors similar to Sasori.
In a fanfiction, Deidara and Sasori could be sent on a secret mission to infiltrate a hidden village. Deidara uses his clay creations to distract the guards while Sasori sneaks in with his puppets. As they progress, they discover a powerful weapon that the village is developing. They then have to decide whether to destroy it or take it for the Akatsuki. Along the way, they also have to deal with their own internal conflicts and the pressure of the mission.
They could be on a journey to find a rare material for Deidara's art. Sasori, with his knowledge of the ninja world, helps guide them. Along the way, they encounter various strange creatures and ninja clans. They might have to fight off some who are after the same material.
The OC could be designed as a very empathetic person. Since Sasori has a lot of emotional baggage from his past, an empathetic OC can understand his feelings and help him heal. For example, she could listen to his stories without judgment and offer comfort.
Naruto's character would evolve in many ways. He would gain a new sense of patience from working with puppets, which are delicate and require precision. His view of the ninja world would expand as he learns about Sasori's past and the history of puppet jutsu. This could lead to him being more empathetic towards enemies who have had difficult pasts. Also, his physical combat skills would be enhanced as he combines his existing ninjutsu with the puppet - based attacks he learns from Sasori, making him a stronger and more well - rounded ninja.